Mid-Atlantic region generalized New York State landscape region is drained by the Susquehenna River and its tributaries
What landscape region is the Susquehanna River located in?The Susquehanna River (/sskwhaen/; Lenape: Siskwahane) is a significant river that runs across the Mid-Atlantic area of the United States, where it crosses the lower Northeast and the Upland South. The longest river on the East Coast of the United States, it is 444 miles (715 km) long.It originates in Otsego Lake in the heart of New York State and travels over the Appalachian Plateau in Maryland, Pennsylvania, and New York before emptying into the Chesapeake Bay's entrance at Havre de Grace in Maryland.The Susquehanna River Basin is the name of the basin around the Susquehanna River.To learn more about Susquehenna River refer to:
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How many hydrogen atoms are in each methane molecule CH4 )?
There are 4 hydrogen atoms in each methane having chemical formula CH4.
The 4 hydrogen atoms in Methane is clicked with a single carbon snippet by single bond. In the structure of Methane 4 sigma bond is present so the sp3 hybridisation can be seen in CH4 .The bond length between 4 hydrogen- carbon snippet is 109 pm. It's the simplest of saturated hydrocarbons with a chemical formula CH4. It consists of four hydrogen tittles and one carbon snippet and is the simplest alkane. When natural methane reaches the face of the atmosphere is called atmospheric methane and can be set up under the seafloor as well as below the ground.
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an atom that contains ten protons and ten electrons is likely to
An atom which contains ten protons and ten electrons is likely to be chemically inert or stable.
An atom has 10 electrons. Its electronic configuration is 1s² 2s² 2p⁶. The last level of the configuration gives us the information about the period in which the element is and the sum of the electrons in the last level gives us information about the group in which the element is. This element belongs to the Period 2 and Group 2 + 6 = VIIIA (18) as per the configuration. This group corresponds to the group of the noble gases or inert gases so the element is expected to be chemically inert because its valence shell is complete with 8 electrons.
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The compound dissolve in ocean water which is most needed by organisms that live there
The compound that dissolve in ocean water which is most needed by organisms that live there are oxygen (O2), carbon dioxide (CO2), and nitrogen (N2).
What are compounds?chemical compounds are described as any substance composed of identical molecules consisting of atoms of two or more chemical elements.
Oxygen is needed for respiration in marine plants, algae, and phytoplankton which is the primary producers and animals.
Carbon dioxide is then used by the primary producers to power photosynthesis which is a byproduct of which is oxygen.
Nitrogen gas dissolved in the ocean is fixed by bacteria and converted into the forms required for primary production, such as nitrate and nitrite.
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How many moles of atoms are in 3.00 g of 13C?
There are 0.231 moles of ¹³C in 3.00 grams of ¹³C. This can be calculated using the molar mass and dimensional analysis concepts of chemistry.
¹³C is an isotope of carbon with a mass number of 13 grams. It is a natural, stable isotope of carbon with a nucleus containing 6 protons and 7 neutrons that is why it is a heavy isotope.
Molar mass is a fundamental concept in chemistry that is used to convert various quantities such as masses, moles, and the number of atoms/molecules in an element. Dimensional analysis is used to convert one quantity to another, with molar mass serving as a conversion factor.
1 mol = 6.022 X 10²³ atoms (Avogadro's Number)
In the question asked above,
Given the mass number of ¹³C (13 grams),
the molar mass of ¹³C = 13 g ¹³C / 1 mol ¹³C = 13 g then,
moles of ¹³C = 3.00g ¹³C X (1 mol ¹³C / 13 g ¹³C )
= 0.231 moles of ¹³C in 3.00 g of ¹³C
Meanwhile, there are 6.022 X 10²³ atoms in 1 mole of ¹³C .
Thus,
number of ¹³C atoms = 0.23 mole of ¹³C X (6.022 X 10²³ atoms ¹³C/ 1mol¹³C ).
= 1.40 X 10²³ ¹³C atoms in 3gms of ¹³C.
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Does 1 mole equal 6.022 x1023 particles atoms?
Yes , 1 mole equal 6.022 × 10²³ particles atoms. the value of the one mole is equals to the 6.022 × 10²³ atoms.
The number of the atoms in the 1 mole of the substance is given as below :
The number of the atoms in 1 mole = 6.022 × 10²³ atoms.
The number of atoms that is 6.022 × 10²³ atoms is called as a Avogadro's number. The Avogadro's number is the number of the units in the one mole of the any substance.
Thus, there are the 6.022 × 10²³ atoms called as Avogadro's number in the one mole.
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If no specific instructions for disposing of waste chemicals are given, you should dispose of all liquids and solutions into:.
If no specific instructions for disposing of waste chemicals are given, you should dispose of all liquids and solutions into a designated waste container in accordance with local, state, and federal regulations.
It is important to check with local authorities to determine the proper disposal methods for hazardous materials. For example, some chemicals may require special treatment such as neutralization, incineration, or containment for disposal.
Additionally, some chemicals must be disposed of in specific containers, such as heavy-duty plastic bags, to prevent contamination of the environment.
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which type of bond must be broken for water to vaporize? group of answer choices polar covalent bonds hydrogen bonds both hydrogen bonds and ionic bonds ionic bonds both polar covalent bonds and hydrogen bonds
During evaporation, for the water molecules to escape as gas, it needs to break hydrogen bonding between molecules.
Various special properties exhibited by water is due to the presence of hydrogen bonding. When in liquid form, hydrogen bonds are continuously formed and breaks when the molecules moves. Hydrogen bonds breaks as a result of kinetic energy which makes the molecules move in the system. As the temperature is increased kinetic energy increases and these hydrogen bonds are completely broken and escapes as water vapor.
It requires as much heat to break the hydrogen bonds, as much as increasing the temperature. Due to hydrogen bonds water has high specific heat capacity and also high heat of vaporization.
So to vaporize, hydrogen bonds between water molecules must be broken.
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A smallest part of the compound that can have the independence existence and that can retain all the properties of that compound is called as molecule.
Yes, the statement is True, A molecule is the smallest part of a compound that can exist independently and retain all the properties of that compound.
It is the basic unit of a chemical substance and can be composed of one or more atoms. The atoms in a molecule are held together by chemical bonds, such as covalent bonds, which can be either single, double or triple bonds, depending on the nature of the atoms and the compound. The properties of a molecule are determined by the type and arrangement of the atoms in it, as well as the nature of the chemical bonds holding them together. Understanding the properties of a molecule is an important aspect in many areas of science, including chemistry, biochemistry, and materials science.
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A smallest part of the compound that can have the independence existence and that can retain all the properties of that compound is called as molecule. State True or False.
What is the mole fraction of water in methanol when 18 grams of h2o is added to 32 grams of methanol, ch3oh? group of answer choices
0.36 is the mole fraction of water in methanol when 18 grams of h2o is added to 32 grams of methanol, ch3oh.
What is the mole ?
The mole is a unit of measurement used in chemistry to measure the amount of a substance. It is defined as the amount of a substance that has 6.02214076×1023 (Avogadro’s constant) of particles, such as atoms, molecules, or ions. It can be used to measure the mass of a substance, the volume of a substance, or the number of particles in a given amount of a substance. This unit is often used to measure the amount of chemical reactants and products in a reaction, as well as to balance chemical equations. The mole is also used to calculate concentrations of solutions, and to calculate the amount of energy released or absorbed in chemical reactions.
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I have made a thermometer which measures temperature by the compressing and
expanding of gas in a piston. I have measured that at 100° C the volume of the piston is 30
L. What is the temperature outside if the piston has a volume of 5 L?
According to Charle's law, temperature outside the piston of a volume of 5 liters is -60.99 °C or 212.16 K. Appropriate clothing for the weather is woollen clothes.
Charles law is an experimental gas law which provides description about the behavior of gases which tend to expand on heating.It states that, at constant pressure, the temperature is in direct proportion with the volume that is,V∝T or V₁/T₁=V₂/T₂.The relation between volume and temperature is linear as the temperature increases volume also increases.
The graph of volume versus temperature is a straight line passing through the origin.
On substitution of values in the above formula,
V₁/T₁=V₂/T₂
30/1273=5/T₂
T₂=1273×5/30
=212.16 K or -60.99°C.
Thus ,the temperature of the gas at 5 liter volume is -60.99°C.
Your question is incomplete most probably your full question was
I have made a thermometer which measures temperature by the compressing and expanding of gas in a piston. I have measured that at 1000 C the volume of the piston is 30 L. What is the temperature outside if the piston has a volume of 5 L? What would be appropriate clothing for the weather? I
this is about boyle’s and charles law :))
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Do CO2 and H2O react?
Carbon dioxide dissolves in water and reacts with water to produce carbonic acid.
What happens when CO2 and H2O react?When CO2 dissolves in water, a small portion of it reacts quickly to create carbonic acid. The result of this is a partial dissociation of the substance into hydrogen, bicarbonate, and carbonate ions. CO2 keeps dissolving up until equilibrium is established.
An example is sealed bottle of soda water, which has carbonic acid. As you break the seal, pressurized gas containing CO2 escapes. To reestablish equilibrium pressure of CO2, reverse reaction takes place, decomposing some of H2CO3 and bubbling out CO2. Therefore, your carbonated soft drink fizzes.
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The Royal Society of London was formed
to encourage scientists to debate science philosophy
to provide a meeting place for alchemists
to encourage scientists to share experimental data
to fund the work of upper-class scientists
Double Replacement Net Ionic Equation: write the net ionic
equation for the following double replacement reactions.
NaOH + MgBr2 2MgH + 1NaOBr2
The net ionic equation for the following double replacement reactions is Mg²+[tex]\rightarrow[/tex]2 Mg as all the ions present on reactant and product side which will get cancelled.
What is ionic equation?Ionic equation is defined as a chemical equation which represents electrolytes in aqueous solutions and are expressed as dissociated ions. Ions present in aqueous solutions are stabilized by ion dipole interactions with the water molecules which are present.
An ionic equation can be written for any electrolyte which dissociates and reacts with the polar solvent. In a balanced ionic equation , number and type of atoms on each sides of reaction arrow are same. Even the net charge on both sides of the arrow is same.
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How many moles are there in 45.0 grams of sulfuric acid?
Answer:
0.458 moles
Explanation:
In this case, the number of moles of sulphuric acid will be 45.0 grams, divided by molar mass 98.08 grams per mole and we obtain 0.458 moles.
Which two practices are examples of how people use science?
M
A. Explaining natural events using facts and data
B. Developing theories using many lines of evidence
M C. Developing stories
that enhance culture and
share beliefs
I D. Explaining natural
events using myths and legends
SUBMIT QUICK
Explaining natural events using facts and data and developing theories using many evidences are examples how people use science. Thus, option A is correct.
What is hypothesis?Hypothesis is a fact that is needed to be proved. An explanation for a phenomenon is put up as a hypothesis. To be considered a scientific hypothesis, a proposition must be testable using the scientific method. Scientific hypotheses are frequently based on prior findings that the body of knowledge is unable to fully explain.
The action of working in science is to identify a problem, establish a hypothesis, collect information and interpret those information.
What is a theory?A theory is a fact that is already experimented and has a proof.
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what is the most likely ionization state of alanine at ph 11 ?
The alanine molecule has a net negative charge at pH 11, where the amine exists as a neutral base and the carboxyl serves as its conjugate base.
The amino acid alanine is necessary for the synthesis of proteins. Vitamin B-6 and tryptophan are broken down using it. It provides the central nervous system and muscles with energy. It helps the body use glucose and boosts the immune system.
The alanine chemical structure reveals that the backbone is made up of two functional groups: the carboxyl group (COOH C O O H) and the amino group (NH2 N H 2), as well as a carbon atom attached to the side chain, CH3 C H 3.
The majority of proteins contain a large amount of the glycogenic amino acid alanine. Alanine can also be produced from other amino acids, particularly branched chain amino acids (BCAA) like valine, leucine, and isoleucine.
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Does oxygen and barium form an ionic compound?
Ionic bonds is also called electrovalent bonds because the bond is made between the atoms with opposite charges and the forces acting between them s electrovalent force. Ionic bonds of oxygen and barium is that they transfer two electrons per atom between them to make an ionic compound.
Ionic bond is the force that is generated between the two charged species and it is particular that one has excess of electrons and the other one has loss of electrons so that they can generate opposite charges between them in order to attract them to each other. this is the strongest force between the atoms. ionic bonds have the most attractive force in the atom and the most strong it. by this primary information, we can firmly consider that ionic bonds are called electrovalent bonds because the bond is made between the atoms with opposite charges and ionic bonds of oxygen and magnesium is that they transfer two electrons per atom between them to make an ionic bond.
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A 13. 5 liter balloon is heated from 248 K to 324 K. What will its new
volume be?
The new volume of the balloon will be determined by the Ideal Gas Law.
What is Ideal Gas Law?The Ideal Gas Law is a mathematical equation used to describe the behavior of an ideal gas under a given set of conditions. It states that, at a constant temperature and pressure, the pressure, volume and amount of gas present are all directly proportional.
This law states that the product of the pressure, volume, and temperature of a gas is a constant.
Since the pressure of the balloon remains constant, the new volume is inversely proportional to the temperature.
Therefore, the new volume can be calculated by dividing the original volume (13.5 liters) by the ratio of the original temperature (248 K) to the new temperature (324 K),
which is 248/324 = 0.76.
The new volume of the balloon is then 13.5 liters / 0.76 = 17.76 liters.
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when stating the scientific name of an organism, which 2 levels of classifcatipn are included? provide an example
When stating the scientific name of an organism Generic name, Specific epithet are 2 levels of classifcatipn are included.
What two categorization levels are used to scientific names?The Binomial Naming System is a two-name system used by scientists. The system used by scientists to identify plants and animals defines the genus and species of the creature. The genus appears first, followed by the term species.Each species' scientific name consists of a particular name (generic epithet) and a generic name (specific epithet).The first part of the name refers to the name of the genus, while the second part refers to the species found in that genus. I warn you that the scientific name of an organism actually consists of three components, not just two, in order to be totally right, which is what the FAQ aspires to be at all times.To learn more about scientific name refer to:
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How many pairs are in CH4?
The valence shell of carbon contains four electrons. Each of these electrons are shared with a hydrogen atom. Consequently, the carbon and hydrogen atoms in the methane (CH4) molecule share four electron pairs.
The CH4 molecule does not contain an unshared pair of electrons.Due to the fact that carbon has a valence of 4, it can only make a maximum of 4 bonds with other atoms. Since the hydrogen only has one electron, it can only create one bond. Here, one electron from each hydrogen atom and each of the four valence electrons of carbon are shared, generating four sigma covalent connections. As a result, all of the valence electrons on carbon and hydrogen participate in the creation of the bond and no unshared pair of electrons is left.
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Is oxygen and sodium an ionic bond?
Yes, Oxygen and sodium have an ionic bond.
What is ionic bond?Ionic bonding, a type of chemical bonding that involves the electrostatic attraction between two atoms or ions with radically different electronegativities, is the primary interaction occurring in ionic compounds.
What type of bond do oxygen and sodium form?Since sodium is a component of an alkali and oxygen is merely a non-metal and a gas, an ionic connection is created. As an example, the reaction between sodium and oxygen can produce sodium oxide. Sodium atoms are converted into sodium ions to produce the ionic compound sodium oxide. Atoms of sodium undergo oxidation, which results in the loss of electrons.
Na + O2 → NaO2 or 4Na + O2 → 2Na2O (s).
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the process by which the atoms of one or more substances are rearranged to form different substances is called a
The process by which the atoms of one or more substances are rearranged to form different substances is called a chemical reaction.
The manner of reorganizing atoms via way of means of breaking one set of chemical bonds and forming a brand new set is called a chemical reaction. A chemical change is a change in count wherein the materials that make up that count change into materials with specific chemical and bodily properties. In a chemical change, additionally known as a chemical reaction, atoms rearrange to shape new materials, which ends up in specific bodily properties, as well.
Thus, the process is known as chemical reaction.
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Does lead react with oxygen?
Yes, lead does react with oxygen to form lead oxides (which are ionic compounds).
Ionic compounds, themselves neutral in nature, are formed due to the formation of electrostatic linkages (called ionic bonds) between positively charged cations and negatively charged anions. Lead is a metal and oxygen is a non metal. They react to form oxides of lead (lead oxides) which are ionic copounds. Known oxides of lead are : PbO (lead monoxide), PbO2 (lead dioxide) and Pb3O4 (trilead tetroxide). In lead monoxide, lead is in +2 oxidation state. In lead dioxide, lead is in +4 oxidation state. In trilead tetroxide, average oxidation number of lead seems to be 8/3 , but the real oxidation state of would be different, as here, two lead molecules are linked in a molecule. Therefore, to know its oxidation state, we need to know its structure. Ionic bonds are formed by donation of electrons. In these cases, the metal - lead (Pb) donates electrons to Oxygen.
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What is the product of SO2 o2?
The product of the sulphur dioxide [tex]SO_{2}[/tex] and the oxygen [tex]O_{2}[/tex] is sulphur trioxide. The chemical equation of the sulphur trioxide represent as [tex]2SO_{3}[/tex]
Count each type of atom in the reaction's reactants and products; if the same number of each atom occurs on both sides of the arrow, the reaction is balanced. We want the same number of each type of atom on both sides of the equation to determine the product. The coefficients are the only thing that changes. The numbers in front of the molecule are referred to as coefficients, and they should never be modified. To understand this, metals must be balanced first, followed by the reaction;
[tex]SO_{2}+O_{2}\to?[/tex]
The number of Iron atoms on the product and reactant sides is the same.
On the reactant side, there are one sulphur atom and three oxygen atoms. As a result, a two-coefficient must be placed in front of [tex]SO_{2}[/tex] in the reactant. Thus, it becomes the sulphur trioxide[tex](2SO_{3})[/tex].
[tex]2SO_{2}+O_{2}\to2SO_{3}[/tex]
Therefore, the chemical equation is [tex]2SO_{2}+O_{2}\to2SO_{3}[/tex].
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experiment 4: in the double-displacement reaction, which observation describes what happened when the contents of the two beakers were mixed?
When the two beakers were mixed, then: The color of the mixture changed.
When the contents of the two beakers were mixed, a double-displacement reaction occurred. Double-displacement reactions often result in the formation of two new compounds, each with different colors than the original reactants. As a result, the color of the mixture would change to reflect the formation of the two new compounds.
Double-displacement reactions involve two reactants exchanging ions with each other. When two reactants are mixed, they form two new compounds, each with different properties than the original reactants. In a double-displacement reaction, the reactants exchange ions, leading to the formation of two new compounds. This exchange of ions can cause a change in the color of the mixture.
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I'm genuinely confused , pleas explain:
More than 100 years after Fredrick Mohs developed the Mineral Hardness Scale, Robert Smith and George Sandland invented the Vickers Hardness Test for metals. Which scientist(s) correctly used science to develop their scale?
Answer:
Fredrick Mohs
Explanation:
Its just right G
A radioactive isotope started with a mass of 345 grams. What mass of the isotope will remain after seven half-lives?
The mass of the isotope that will remain after seven half-lives is 2.69 grams.
What is half life?Half -life of a substance is defined as the time which is required for half of the quantity of a radioactive substance to get decayed.It is a term which is used in nuclear chemistry for describing how quickly unstable atoms undergo radioactive decay into other nuclear species by emitting particles or the time which is required for number of disintegrations per second of radioactive material to decrease by one half of its initial value.
After 1 st half life:345/2=172.5 g
After 2 nd half life:172.5/2=86.25 g
After 3 rd half life:86.25/2=43.12 g
After 4 th half life:43.12/2=21.56 g
After 5 th half life:21.56/2=10.78 g
After 6th half life:10.78/2=5.39 g
After 7th half life:5.39/2=2.69 g
Thus, the mass of the isotope that will remain after seven half-lives is 2.69 grams.
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Select the meaning of the letters FT in the acronym FTIR.
Fourier transform
The meaning of the letters FT in the acronym FTIR is Fourier transform. It is a mathematical model that aids in converting signals between two distinct domains.
Fourier Transform Infrared Spectroscopy or FTIR Analysis or FTIR spectroscopy is a method used to distinguish between organic, polymeric, and, occasionally, inorganic materials. This method test materials and examines chemical characteristics using infrared light.
A sample is exposed to infrared light from the FTIR instrument that ranges in wavelength from 10,000 to 100 cm⁻¹. Some of the light is absorbed and part of which passes through the sample. The sample molecules then transform the absorbed light radiation into rotational and/or vibrational energy. The resulting signal at the detector appears as a spectrum.
Therefore, the FT in FTIR is referred to as Fourier transform.
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What state of matter is a sample at 1.0 atm and 85C
Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Therefore, the correct option is option B.
What is matter?Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.
Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.
So as we saw that matter has some mass so mass can be measured in gram only. Mass can also be represented as number of molecules. We also saw that matter occupy some volume and that volume is measured only in liter. In the given phase diagram, region C represents gas phase.
Therefore, the correct option is option B.
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Answer: A. Liquid
Explanation:
Which law states that volume increases with temperature (at constant pressure)?
Answer:
Ideal Gas Law?
Explanation:
PV = nRT
V is proportional to T thus at constant P it should increase with T
Answer:
The law that states that volume increases with temperature (at constant pressure) is known as Gay-Lussac's Law or the pressure-volume law. It states that the volume of a gas is directly proportional to its temperature, when the pressure is kept constant. This means that if the temperature of a gas is increased, its volume will also increase, and if the temperature is decreased, the volume will decrease. This law is a part of the ideal gas laws, which describe the behavior of gases under various conditions.
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