If you have 9.01 moles of ammonia, NH, how many molecules are there?
Answer:
If you have 9.01 moles of ammonia, NH3, there are 54.06 x 10^23 molecules of ammonia present. This is calculated using the Avogadro's number, which is the number of particles (atoms or molecules) in one mole of a substance, which is 6.022 x 10^23 particles per mole.
give me brainiest
If you have 9.01 moles of ammonia, 54.06 x 10^23 molecules of ammonia are there
What does the term "mole number" mean?
A mole is 6.02214076 x 10^23 of any chemical unit, including atoms, molecules, ions, and others. Due to the large number of atoms, molecules, or other components that make up any substance, the mole is a useful measure to utilize.
There are 54.06 x 10^23 molecules of ammonia when 9.01 moles of ammonia, NH3, are present. The Avogadro's number, or the number of particles (atoms or molecules) in one mole of a substance, which is 6.022 x 1023 particles per mole, is used to compute this.
To know more about moles use link below:
https://brainly.in/question/607414
#SPJ1
How many hydrogen atoms in the molecule?
20
The tubing contains
beakercontains
DONE
The tubing contains
beakercontains
DONE
200
The
The diffusion of starch test's initial requirements are Solution of starch is in the tubing. Lugol's solution is in the beaker.
Does starch solution diffuse through dialysis tubing?Due to the size of the starch molecules compared to the pores in the dialysis tubing, starch cannot flow through the synthetic selectively permeable membrane. However, the membrane cannot withstand the size of water, glucose, or iodine molecules. The random movement of molecules leads to diffusion.
In contrast to the iodine-starch test's purple tint, the water solution of iodine around the starch dialysis tubing was the color of iodine. The dialysis tubing was not used to transport molecules of starch. In contrast, the tubing's interior is a purple-black hue. Starch cannot travel through visking tubing, but if it is converted to glucose by enzymes, the glucose will diffuse from the visking tubing's high concentration into the water-filled beaker.
To learn more about starch refer to :
https://brainly.com/question/1237142
#SPJ1
Imagine 2 glasses filled with the
same amount of water. You place
one glass in the freezer and leave
one glass on the counter. You
observe both glasses the next
day. Compare and contrast the
mass, temperature, and state of
matter of both glasses of water.
Both containers' molecules move at the same average speed. The full glass contains more internal energy. In fact, it will take twice as much heat to raise the temperature of the full glass by one degree Celsius.
What is internal energy ?The term internal energy is defined as the total of the kinetic energy due to the motion of molecules and the potential energy related with the vibrational motion and electric energy of atoms within molecules.
The system's heat is equal to the internal energy. Because heat is neither created nor destroyed, when the ambient temperature rises, the system's temperature falls.
Thus, Both containers' molecules move at the same average speed. The full glass contains more internal energy.
To learn more about the internal energy, follow the link;
https://brainly.com/question/11278589
#SPJ1
A 25.0g sample of nitrogen reacts with 4.02 g of hydrogen to form ammonia (NH3). If ammonia is the only product, what mass of ammonia is formed.
Equation:
N2 + 3H2 —> 2NH3
The answer is Hydrogen gas combines with nitrogen to form Ammonia. so the Mass of Ammonia = 22.1 g
Explanation:Given,
Mass of nitrogen = 25.0 g
Mass of hydrogen = 4.02 g
Mass of ammonia formed = ?
Solution:
Chemical equation:
N₂ + 3H₂ → 2NH₃
Number of moles of nitrogen:
Number of moles = mass/molar mass
Number of moles = 25.0 g/ 28 g/mol
Number of moles = 0.89 mol
Number of moles of nitrogen:
Number of moles = mass/molar mass
Number of moles = 4.02 g/ 2 g/mol
Number of moles =2.01 mol
Now compare the moles of nitrogen and hydrogen with ammonia.
H₂ : NH₃
3 : 2
2.01 : 2/3×2.01 = 1.3 mol
N₂ : NH₃
1 : 2
0.89 : 2/1×0.89 = 1.78 mol
Hydrogen will act as a limiting reactant as it created fewer moles of ammonia.
Mass of ammonia:
Mass = number of moles × molar mass
Mass = 1.3 mol × 17 g/mol
Mass = 22.1 g
To know more about Mass of Ammonia Refer to:
https://brainly.com/question/29502584
#SPJ1
Dr. Laila Malik has been tasked to help her graduate student with making a ground-breaking molecule, but she has to start with helping the student understand how different elements bond to each other and the characteristics they have. Help Dr. Malik identify whether the following compounds are ionic or covalent: CO2
Carbon dioxide is a covalent compound since it contains two covalent bonds between the oxygen atoms and the carbon atom.
What is a covalent compound?A covalent compound is any substance formed by non-metal atoms, such as in this case carbon and oxygen, that share electrons to achieve stability. Examples of covalent compounds also include water and methane.
Therefore, with this data, we can see that a covalent compounds are formed by non metal atoms that share electrons to form molecules that can be defined by this type of strong chemical interaction in nature
Learn more about covalent compounds here:
https://brainly.com/question/11651796
#SPJ1
How would you make 100 mL of a carbonic acid buffer at 0.2 M and pH = 9.8 using 0.5 M NaHCO3 and either 0.1 M NaOH or 0.1 M HCl and water?
In order to make a 100 mL of a carbonic acid buffer at 0.2 M and pH = 9.8 using 0.5 M NaHCO₃ and either 0.1 M NaOH or 0.1 M HCl and water, one needs to add 0.5 M NaHCO₃ and either 0.1 M NaOH or 0.1 M HCl to achieve the desired pH.
How do you make a 100 mL of a carbonic acid?To make 100 mL of a 0.2 M carbonic acid buffer at pH = 9.8, you will need to add a sufficient amount of 0.5 M NaHCO₃ and either 0.1 M NaOH or 0.1 M HCl to achieve the desired pH.
Here is one way to do it:
Start by adding 50 mL of 0.5 M NaHCO₃ to a beaker or flask.Measure the pH of the solution using a pH meter or indicator.Add small aliquots of 0.1 M NaOH to the solution until the pH reaches 9.8.Alternatively, you can add small aliquots of 0.1 M HCl to the solution until the pH reaches 9.8.Once you have achieved the desired pH, add water to bring the total volume to 100 mL.Stir the solution well to ensure that it is well mixed.However, the exact procedure may vary depending on the specific requirements of your experiment.
learn more about carbonic acid: https://brainly.com/question/27945587
#SPJ1
United Nations recommends a minimum of 50 litres of water per person per day.
Do all people get this much water? How can we find out that some places face shortage of water?
The World Health Organization (WHO) estimates that each individual needs between 50 and 100 litres of water per day to guarantee that their basic needs are met and that they have few health issues.
How much amount of water is recommended by the United Nations?For the majority of basic needs to be met and few health issues to materialise, the World Health Organization (WHO) states that between 50 and 100 litres of water per person per day are required.
The Assembly declared that every individual has the right to obtain enough water for personal and domestic needs, which equates to between 50 and 100 litres of water per person per day. The water must be suitable, acceptable, and reasonably priced.
A family is given three buckets of water each day. The 50 litres of water per person per day that the United Nations advises is. A family receiving three buckets of water per day does not indicate a water shortage.
To learn more about World Health Organization refer to:
https://brainly.com/question/20701235
#SPJ1
why is it important for us to be able to make hydrogen from seawater instead of pure water? 
Answer:
It is important for us to be able to make hydrogen from seawater instead of pure water for several reasons:
Abundance: Seawater is abundant and widely available, making it a more sustainable and renewable source of hydrogen compared to pure water, which is often in limited supply.
Cost-effective: Seawater is a low-cost source of hydrogen, as it does not require the use of fresh water, which can be scarce and expensive in many regions.
Energy efficient: Seawater contains dissolved salts and minerals, which can be used as catalysts to speed up the water splitting process and make it more energy efficient.
Environmental impact: Using seawater as a source of hydrogen instead of pure water reduces the amount of freshwater that is used, conserving this precious resource and minimizing the environmental impact of water extraction and transportation.
Versatility: Seawater can be used as feedstock for various hydrogen production methods such as electrolysis, thermolysis, photocatalysis, and biotechnology.
In summary, being able to make hydrogen from seawater is crucial to address the growing energy demand while also preserving fresh water resources, and also to make hydrogen production more sustainable and cost-effective.
Explanation:
hope this helps
Now suppose that you carefully repeat your experiment using an analytical balance and a
graduated cylinder that can be read to the nearest 0.01 mL. The recorded mass is 16.7755g. The
graduated cylinder readings before and after introducing the metal object are 27.86 mL and 37.86
mL respectively.
Answer:
Explanation:
a) mass of object = 16.78 g volume displaced by object = 37.7-27.8 = 9.90 ml density = mass/volume = 16.78 g/9.90 ml = 1.69 g/ml
Curious Carl dissolved 1 mole of four different salts in four beakers, all containing 1000 ml of water:
KI
MgF2
Na3PO4
Ca(NO3)2
Which salt will produce the MOST moles of ions in solution?
If 1 mole of four different salts in four beakers are dissolved in solution all containing 1000 ml of water, the salt that will produce the MOST moles of ions in solution i is Na₃PO₄.
The correct option is C.
What are moles of substances?The mole is the amount of a substance that contains exactly as many molecules, atoms, radicals, ions, or electrons as there are in 12 grams of 12C.
Considering the number of moles of ions that can be produced by 1 mole of the four different salts when dissolved in 1000 mL of water:
KI will produce 2 moles of ions
MgF₂ will produce three moles of ions
Na₃PO₄ will produce four moles of ions
Ca(NO₃)₂ will produce three moles of ions.
Learn more about mole of ions at: https://brainly.com/question/29503577
#SPJ1
How many electrons are in the 6p subshell of Rn?
In the electrical arrangement, the 6p subshell of the radon element contains 6 electrons.
What is electronic configuration of radon?Radon is the 86th element in the periodic table, with the symbol 'Rn'. Radon is a type of noble gas. Radon contains a total of eighty-six electrons. These electrons are grouped in accordance with the laws of several orbits.The p-orbital can hold up to six electrons. As a result, the following six electrons enter the 2p orbital. The second orbit is now completely filled. As a result, the remaining electrons will go into the third orbit.As a result, the entire electron configuration of radon is 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 4f^14 5s^2 5p^6 5d^10 6s^2 6p^6.For more information on electronic configuration kindly visit to
https://brainly.com/question/29757010
#SPJ1
how long does it take for the moon to complete one full revolution around the earth
An experiment was carried out where equal mass of water and sand were placed in two containers. Both the containers were subjected to heat using heat lamps. Assuming that both the sand and water recorded the same initial temperature (i.e, room temperature of 20oC). Predict the temperature of the water and the sand after 20 minutes of exposure to the heat lamp. Will the thermometer measure the same temperature for both the water and sand? Yes or no? Explain why for full credit.
The temperature of water is less than 26°C and that of sand is less than 20°C
No, the thermometer will measure different temperature for both the water and sand because water has a relatively higher specific heat than sand.
What is specific heat?The specific heat of a substance is described as the amount of heat energy absorbed by one unit of mass of the substance when its temperature increases one unit.
Therefore, if we were to assume that all the heat provided by the lamp to both samples is the same and, as given, the amount (mass) of both samples is also the same, you have that the specific heat of the samples will be:
specific heat = constant / ΔT
So, specific heat and ΔT are inversely related.
Learn more about specific heat at: https://brainly.com/question/27991746
#SPJ1
Potassium Phosphide reacts with aluminum in a single replacement reaction to produce Aluminum Phosphide and Potassium. What coefficient is needed in front of the product potassium to properly balance this chemical equation?
2
3
4
5
The coefficient needed in front of the product potassium to properly balance this chemical equation is 3 (option B).
How to balance a chemical reaction?A chemical equation is said to be balanced when the number of atoms of each element on both sides of the equation are the same.
According to this question, potassium phosphide reacts with aluminum in a single replacement reaction to produce aluminum phosphide and potassium as follows:
K₃P + Al → AlP + 3K
The coefficient in front of pottasium in the balanced equation is 3.
Learn more about balanced equation at: https://brainly.com/question/28294176
#SPJ1
How many moles of copper must react to form 0.854 mol Ag?
mol Cu
As per the given balanced chemical equation, one mole of copper metal reacts to form 2 moles of Ag. Hence, the number of moles of Cu to form 0.854 moles of Ag is 0.427.
What is copper ?Copper is a transition metal in d block of periodic table. Copper forms ionic compounds by losing electrons. As other transition metals copper shows variable oxidation states.
The given reaction is a single displacement reaction between two metals. Cl group exchanges between the metals Cu and Ag. In the given reaction, one mole of Cu reacts with 2 moles of AgCl giving two moles of Ag and one mole of CuCl₂.
The number of moles of Cu required to produce 0.854 mol of Ag is calculated as:
no.of moles of Cu = 0.854 / 2 = 0.427 moles.
Hence, 0.427 moles of Cu is needed.
Find more on copper:
https://brainly.com/question/14913590
#SPJ1
Your question is not complete. But your complete question probably was :
Consider the reaction given below:
[tex]\rm Cu + 2 AgCl \rightarrow CuCl_{2} + 2 Ag[/tex]
How many moles of copper must react to form 0.854 mol Ag?
mol Cu.
How do the valence electrons of an atom affect chemical reactions?
Valence electrons are the electrons in the outermost shell of an atom and are responsible for chemical reactions. In a chemical reaction, atoms gain or lose electrons to achieve a stable electron configuration, which is known as the octet rule. The number of valence electrons an atom has determines its chemical reactivity and how it will bond with other atoms. For example, atoms with only a few valence electrons, such as hydrogen, are highly reactive and will readily form chemical bonds, while atoms with many valence electrons, such as noble gases, are relatively unreactive and do not easily form chemical bonds.
How many moles of hydrogen are produced when 6.28 mol of oxygen form?
The following balanced chemical equation describes how hydrogen and oxygen react. which is 0.253 mol.
How many moles of hydrogen are produced more of oxygen form?Think about what happens next. [tex]2H_2 O[/tex] equals 0.253 mol for [tex]2H_2[/tex] and [tex]O_2[/tex]. a balanced equation 2H2 + O2 → [tex]2H_2 O[/tex] 2.5 molecules of water three moles of water both 5.0 and 6.0 moles of water. The value of 16.5 M. nolds is then obtained by multiplying 11 by the number of oxygen moles created, which is equal to 11 moles of aluminium.
The figure we obtain by multiplying 13.35 moles by the number of moles of oxygen (o2) is almost equivalent to 26.7 moles of h,2,o. Below is a diagram illustrating the balanced chemical equation for the reaction between oxygen and hydrogen. 0.253 mol, to be exact. Walter produces 12 moles of product. It is possible to argue that the reaction will generate if hydrogen gas is not a limiting reagent.
To learn more about moles refer to :
https://brainly.com/question/15356425
#SPJ1
how is nitrogent cycle similar to carbon cycle
Answer:
The biogeochemical cycles nitrogen and carbon cycle both have a tendency to release components from their cycles. Both the nitrogen cycle and the carbon cycle emit gases into the environment. The process also begins with gas and concludes with gas in both cycles.
Have a good night!
Answer:
The nitrogen cycle and the carbon cycle are similar in several ways:
Both cycles involve the movement of elements (nitrogen and carbon) through different forms and reservoirs in the environment. In the nitrogen cycle, nitrogen moves through the atmosphere, soil, and living organisms, while in the carbon cycle, carbon moves through the atmosphere, oceans, and living organisms.
Both cycles involve a series of transformations and reactions, which are mediated by various microorganisms and enzymes. In the nitrogen cycle, nitrogen is converted into different forms, such as ammonia, nitrite, nitrate, and nitrogen gas, while in the carbon cycle, carbon is converted into different forms, such as carbon dioxide, organic compounds, and fossil fuels.
Both cycles are driven by energy inputs, such as sunlight and heat, which are necessary for the chemical reactions that take place in the cycle.
Both cycles are essential for maintaining the balance of elements in the environment. The nitrogen cycle is necessary for the growth of plants and the production of food, while the carbon cycle is necessary for the regulation of the Earth's climate and the maintenance of biodiversity.
Both cycles are interconnected, as carbon is present in living organisms and is part of the Nitrogen cycle. Nitrogen fixation is the process of converting atmospheric nitrogen (N2) into ammonia (NH3) and other forms of nitrogen that plants can use to make proteins, nucleic acids, and other molecules.
In summary, the Nitrogen cycle and the Carbon cycle are similar in that they
Which of the fellowing compaunds contains covalent bond
Answer:
this is the answer to ur question hope it helpful
Which sequence shows the order of landscape regions that are crossed as water flows through the Catskill Aqueduct?
The order of landscape regions that are crossed as water flows through the Catskill Aqueduct is: mountain, hill, valley, plain.
Where does water ultimately end up after flowing through all of the landscape regions in the Catskill Aqueduct?The final destination of water after flowing via the one-of-a-kind landscape regions inside the Catskill Aqueduct is the new york metropolis metropolitan location. The aqueduct is part of the big apple city water supply machine, and it brings water from the Catskill Mountains to the metropolis. The Catskill Aqueduct is one in every of numerous systems that offer sparkling water to the metropolis, and it's miles taken into consideration one of the most vital water supply systems in the international. The water is handled at numerous factors along the way, making sure that it is secure for intake by using hundreds of thousands of human beings inside the town.
To know more about Catskill visit: https://brainly.com/question/13373478
#SPJ1
2C₂H₂(g) +50₂(g) → 4CO₂(g) + 2H₂O(g)
This is a balanced equation for the combustion of acetylene (C₂H₂). How many
grams of acetylene(C₂H₂) are required to produce 1.0 moles of CO₂?
5.0 grams
0.20 grams
13.0 grams
10.0 grams
Can anyone help me solve these two problems?
It should have been possible to provide 86g of dioxygen. You can only produce up to FIVE moles of water. In the World System of Units, a substance's amount is measured in moles, which are denoted by the sign mol.
In chemistry, what exactly is a mole?The unit of measurement used by chemists known as a mole is very significant. In the same way that having a dozen eggs implies you have twelve eggs, having a mole of anything indicates you possess 602,214,076,000,000,000,000,000 of that thing. When measuring very small objects as atoms, molecules, or even other particles, chemists must use moles.
How does the mole formula work?Formula for the number of moles. Number of moles Equals mass of substance Per mass of a mole. 86.94 / 95 = number of moles.
To know more about mole visit:
https://brainly.com/question/26416088
#SPJ1
if 4.00 grams of nahco3 are used how many grams of co2 are produced
HELP ME PLEASE !!!
One time I went to the mountains. I was scared of altitude sickness, so I got cannisters of oxgen (O₂). These cannisters contain 2L of compressed oxygen (O₂). When the oxygen is pressurized, it condenses into its liquid form inside the cannister. How much would this oxygen (0₂) weigh in its liquid form?
2.9 grams
1.6 grams
3.6 grams
4.3 grams
According to the question,4.3 grams would this oxygen (0₂) weigh in its liquid form.
What is the oxygen ?
Oxygen is an essential element for life. It is a colorless, odorless gas that makes up about 21% of the Earth's atmosphere. Oxygen is a vital component for the production of energy in all living things, as it is necessary for the process of respiration. Without oxygen, all living organisms would suffer, as their cells would not be able to produce the energy they need to survive. Oxygen is also necessary for the combustion of fuels, as it helps to create the conditions required for burning to occur. In addition, oxygen is used in many different industrial and scientific processes, ranging from welding to creating rocket fuel. Oxygen is incredibly important to life on Earth and is essential for the survival of all organisms.
To learn more about oxygen
https://brainly.com/question/28009615
#SPJ1
Based on parts A and B how many planets are larger than earth ? How many planets are smaller than Earth
The planets Jupiter, Saturn, Uranus and Neptune are larger than Earth. Mercury, Venus and Mars are smaller.
What is the planet made of?Earth and the other three inner planets of our solar system Mercury, Venus and Mars are made of rock containing common minerals like feldspars and metals like magnesium and aluminum. The other planets are not solid. Jupiter for instance is made up mostly of trapped helium, hydrogen and water.
The planets in order of size listed from biggest to smallest:
Jupiter: 43,441-mile radiusSaturn: 36,184-mile radiusUranus: 15,759-mile radiusNeptune: 15,299-mile radiusEarth: 3,959-mile radiusVenus: 3,760-mile radiusMars: 2,106-mile radiusMercury: 1,516-mile radiusLearn more about planet here: brainly.com/question/1286910
#SPJ1
a gold atom is a sphere with a diameter with 272 pm and a mass with 3.27x 10^-13 ngs. calculate the density of one gold atom in g/cm ^3
The density of the gold is 2.5 * 10^2 g/cm^3.
\What is the density of the gold?We have to know that the density is one of the properties of the material that help us to be able to know the kind of material that we have. In this case, we are told that the material that we have to deal with here is gold.
Volume of the gold = 4/3πr^3
Where r = radius = 272 * 10^-12/2 = 1.36 * 10^-8 cm
Volume = 4/3 * 3.142 * (1.36 * 10^-8)^3
= 1.1 * 10^-23 cm^3
The we have that;
Density = mass/ volume
Density = 27x 10^-13 * 10^-9 g/ 1.1 * 10^23 cm^3
2.7 * 10^-21/1.1 * 10^-23 cm^3
= 2.5 * 10^2 g/cm^3
Learn more about density:https://brainly.com/question/29775886
#SPJ1
Limestone is mostly calcium carbonate, CaCO3, but also contains other minerals. When heated, the CaCO3 decomposes into CaO and CO2. A 1.605 g sample of limestone was heated and gave off 0.657 g of CO2.
(b) Determine the percentage mass of CaCO3 in the limestone.
CaO+CO2=CaCO3 balance the chemical equation. Calcium oxide+carbon dioxide=calcium carbonate.
What is limestone used for?Steel, mining, paper, sewage systems and purification, and the production of plastics all use calcium oxide, which is inferred from limestone. Lime is widely used in agriculture and glass manufacturing. Calcium and magnesium content are increased while the acidity of the soil is stabilised by adding limestone.
How is limestone formed?Although there are some freshwater limestones as well, organisms in seawater almost exclusively produce limestone, either directly by the crystallisation of dissolved calcium and carbonate to form shells or as a byproduct of the organisms' presence in the seawater (which can alter the overall geochemical setting).
To learn more about limestone refers to:
https://brainly.com/question/11715209
#SPJ1
54.0 g Al reacts with 64.0 g o2 to form alg203 according to the equation 4al+302->2al203
02: 32g/mol al2o3: 102 g/mol
How many grams of al203 form from 64.0 g o2
136 g Al₂O₃ grams of al203 form from 64.0 g o2
What is Molar mass?Based of the fact that you were given 2 masses I would assume this to be a limiting reagent question. However amount on the left side both equal 2. Ignoring limiting reagents and focusing on just O2 the steps would be:1. Make sure the equation is balanced ( already given)2- Use given values to find the mols of O2 (mass/molar mass)3. Mols are conserved but due to the coefficients the molar value from O2 must be divided by three and multiplied by 2 to ensure proper ratios4. Using that amount the mass can derived using amount/molar mass5. Use proper significant digits and units(3 in this case)To learn more about Molar mass refers to:
brainly.com/question/28171334
#SPJ1
How many formula units are there in 1.86 mol of strontium phosphate, Sr3(PO)2 ?
PLEASE HELP I HAVE A TEST TOMORROW & don’t understand
The formula units are there in 1.86 mol of strontium phosphate Sr₃(PO)₂ is 0.0247 gram.
What is molar mass ?
The mass in grams of one mole of a chemical is its molar mass. A mole is the measurement of the number of things, such as atoms, molecules, and ions, that are present in a substance.
The mass of 1 mole of a chemical is indicated by its molar mass. It provides you with the amount of grams per mole of a substance, to put it another way. Therefore, grams/mole are the units for molar mass.
The molar mass of Sr₃(PO)₂ is 452.8027 g/mol.
Then 1.86 mol of strontium phosphate
= 1.86 × 6.023 × 10²³ / 452.8027
= 0.0247 gram
Thus, The formula units are there in 1.86 mol of strontium phosphate Sr₃(PO)₂ is 0.0247 gram.
To learn more about the molar mass, follow the link;
https://brainly.com/question/12127540
#SPJ1