Answer:
the devising or choosing of names for things, especially in a science or other discipline.
Explanation:
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Answer: A nomenclature is a system of naming organisms.
The species to which the organism belongs is indicated by two words, the genus and species names, which are Latinized words derived from various sources.
Explanation:
Which statement about water is not correct?
A A water molecule consists of three atoms covalently bonded together.
B The water supply is treated with chlorine to kill the bacteria in it.
C Water changes the colour of cobalt chloride paper from blue to pink.
D Water has a low melting point because covalent bonds are weak.
What costs does poisoning have for animals, individuals, and businesses? What dangers do you think
poisoning has for public safety?
Answer:
Animal poisoning has the potential to be costly to animals, people, and businesses because the animal may die, posing a conflict of interest issue between the parties.
Animal poisoning poses a threat to public safety since it can act as a source of an unknown substance that can harm the environments occupants.
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A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next few minutes? Molecules in both the metal and the surrounding air will start moving at lower speeds. Molecules in both the metal and the surrounding air will start moving at higher speeds. The air molecules that are surrounding the metal will slow down, and the molecules in the metal will speed up. The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.
The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.
This means the air around will heat up, and the plate will cool down. They are trying to reach a thermal equilibrium.
Please help its also urgent ( I have 8 more questions)
Answer:
I might be wrong but I'm pretty sure its B) Robin
Explanation:
Bc it says which animal gets its shelter by interacting with a living part of the environment and a robin is interacting with a tree branch and its a living part of the environment.
AGAIN SO SRRY IF ITS WRONG
A buffer solution is made up of acetic acid (CH3COOH) and sodium acetate (NaCH3COO). The major equilibria in the buffer system are represented above. Which of the following equilibria could be used to support the claim that the addition of a small amount of NaOH to the buffer will result in only a very small change in pH?
CH3COOH (aq) + H2O → H3O+ (aq) + CH3COO- (aq)
CH3COO- (aq) + H2O → CH3COOH (aq) + OH-
2H2O (i) → H2O + OH-
a. CH3COOH(aq) + CH3COO- (aq) → CH3COO- (aq) + CH3COOH(aq).
b. CH3COOH(aq) + OH (aq) → 3CH3COO (aq) + H2O(1).
c. H3O+ (aq) + OH(aq) → 2H2O(1).
d. CH3COOH(aq) + H2O(1) → H30+ (aq) + CH3COO (aq).
The equilibria showing how the acetate buffer adjusts to addition of a small amount of NaOH is:
CH3COOH(aq) + H2O(1) → H30+ (aq) + CH3COO (aq)What is a buffer?A buffer is a solution which resists changes to its pH when small amounts of strong base or acid is added to it.
Buffers are made from solutions of weak acids and their salts or weak bases and their salts.
The equilibria showing how a buffer made from acetic acid and sodium acetate (NaCH3COO) adjusts to addition of a small amount of NaOH is as follows:
CH3COOH(aq) + H2O(1) → H30+ (aq) + CH3COO (aq)Addition of NaOH, a strong base will neutralize the hydronium ion, causing the acetic acid ionization equilibrium to shift to the right to produce more of the acetate ion, the conjugate base.
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do any of you gies know how to bet Arceus in legend Arceus
Best Team And Party in Pokemon Legends Arceus. Includes the best team for Cyndaquil, Oshawott, Rowlett, by type, early and middle game, where to catch, recommended Pokemon, & more!
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01:55:54
What is the name of this hydrocarbon?
Н н ннн
T ТАТТІ
Н – С – С – С – С – С — Н
ТІ | 1 T
Н Н Н Н H
hexane
O heptane
оооо
O octane
pentane
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Submit
Mark this and retum
Answer:
Pentane
Explanation:
This is a little hard to look at and figure out what's going on, but I think I got the gist of it. Hydrocarbon naming is fairly simple. They are essentially named based on how many carbons make up the "skeleton." The prefix denotes how many there are, and as we can see, there are five hydrocarbons.
Hex- means six, so this is not correct.
Hept- is not one we see quite often, but it is seven, which again is not correct.
Oct- is eight. Still not five.
Pent- means five. And there you go, there is the answer.
Frederick Griffith documented bacterial transformation. Which statement is true concerning his experiments?
DNA that was not contained within a live cell caused the death of the host organism.
DNA from dead Streptococcus cells entered live cells and altered the live cell's characteristics.
The two strains of Streptococcus were visually indistinguishable.
Heat treatment of the Streptococcus strains destroyed the DNA molecules.
Answer:
DNA from dead Streptococcus cells entered live cells and altered the live cell's characteristics
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Is obsidian a rock? Does it contain minerals? Help please!!
Answer:
Yes It Is A Rock
Explanation:
It Is Not A True Mineral
Which statement is correct about the rocks at this location?
A. All three types of rock will become metamorphic if they stay at the surface of Earth.
B. If this location is buried deep underground, only the metamorphic rock will melt because it has already been heated before.
C. The metamorphic rock and sedimentary rock were already at this location and magma flowed into the other rocks.
D. The igneous rock will become metamorphic rock after the rock in the cliff side turns into sediment.
Answer:
i also need like your question
Explanation:
Which statement is correct about the rocks at this location?
A. All three types of rock will become metamorphic if they stay at the surface of Earth.
B. If this location is buried deep underground, only the metamorphic rock will melt because it has already been heated before.
C. The metamorphic rock and sedimentary rock were already at this location and magma flowed into the other rocks.
D. The igneous rock will become metamorphic rock after the rock in the cliff side turns into sediment.
What is the reaction type between zinc chloride+ magnesim
Answer:
Redox reaction
Explanation:
Solid magnesium metal was added to aqueous zinc chloride. The zinc has a higher electronegativity than the magnesium and therefore attracts two electrons from magnesium, which gives magnesium a positive charge.
Agas with a volume of 250 mL has 16.0 moles. If the amount of moles is reduced to
12.0, what is the new volume?
The new volume is mathematically given as
V=93.75ml
What is the new volume?
Question Parameters:
A gas with a volume of 250 mL has 16.0 moles
the number of moles is reduced to 12.0
Generally, the equation for the gas laws is mathematically given as
V1/n1 = V2/n2
Therefore
250/16 = V2/12
v=375/4
V=93.75ml
In conclusion, the new volume of gas is
V=93.75ml
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What is the Lewis Structure for CO2-
Carbon dioxide (CO2) lewis structure has two oxygen atoms and one carbon atom. There are two double bonds around carbon atom in the CO2. No lone pairs on carbon atom and each oxygen atom has two lone pairs on their valence shells. Shape of CO2 is linear.
Which element has the most endothermic reaction?
Answer:
erm-- how do i answer this question xd
Explanation:
Gaining of an electron is most exothermic for Fluorine.
Which of the following is surprisingly endothermic response?N2(g)+O2(g)→2NO(g) is an endothermic response because heat is absorbed on this reaction. all of the other reactions are exothermic as the warmth is launched for the duration of the method.
Which one is an endothermic response?Any manner that absorbs warmness from its environment is an endothermic system. consequently, all endothermic reactions are endothermic strategies. An endothermic reaction is any chemical response that absorbs warmth from its surroundings. The absorbed electricity provides the activation electricity for the reaction to arise.
What is a fluorine used for?Fluorine is important for the manufacturing of nuclear material for nuclear power vegetation and for the insulation of electrical towers. Hydrogen fluoride, a compound of fluorine, is used to etch glass. Fluorine, like Teflon, is used to make plastics and is also essential in dental fitness.
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What makes 3Ag2S+2Al->Al2S3+6Ag(s) oxidized and reduced
How many grams of h20 is formed by mixing solutions containing 90.0 mol CuO and 18.01 mol NH3
Answer:
Explanation:
Calculate the pH for the following solutions and indicate whether each solution is acidic or basic.
[H+] = 1.0 × 10-2M pH = __________ Acid/Base
[tex]\\ \rm\Rrightarrow pH=-log[H^+][/tex]
[tex]\\ \rm\Rrightarrow pH=-log10^{-2}[/tex]
[tex]\\ \rm\Rrightarrow pH=2[/tex]
Acidic
2 Which of these ions will move to the positive electrode and which
will move to the negative electrode in a circuit like the one shown
in Figure 2?
lithium ions chloride ions bromide ions
calcium ions sodium ions zinc ions
oxide ions
iodide ions barium ions (4 marks)
Answer:
lithium ion ,zinc ion and iodine ion will move to negative electrode while bromide,chloride and barium ion will move to positive electrode
According to Avogadro's law, how will the number of molecules in 2 liters
of hydrogen gas compare with the number of molecules in 2 liters of
oxygen gas at the same temperature and pressure?
According to Avogadro's law, the two gases will have equal number of molecules.
Avogadro's lawFrom the question, we are to determine how the two gases would compare according to Avogadro's law
First, we will state the Avogadro's law
Avogadro's law states that "equal volume of all gases at the same temperature and pressure contain the same number of molecules"
Now, from the given information
We have 2 liters of hydrogen gas and 2 liters of oxygen gas at the same temperature and pressure
According to Avogadro's law, gases that are equal in volume and are at the same temperature and pressure will have equal number of molecules.
Hence, according to Avogadro's law, the two gases will have equal number of molecules.
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find the location of flourine (F) on the periodic table what type of ion will fluoring form?
Answer:
VII'th group, negative ion
Explanation:
Usually fluorine is located in the seventh(VII) group as fluorine has 7 electrons in it's outer shell with chemical symbol "F"
Fluorine has 7 electrons in it's outer shell therefore, it needs one more electron to get the noble gas configuration. So more electrons means negative ion.
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A positive number for maximum useful work in a spontaneous process (voltaic cell) indicates that the cell will perform work on its surroundings. True False
does anyone know the three answers Question 1 which element is in group 5 period 2?, question 3 which element is in group 6 period 2?, question 4 which element is in group 8 period 1? this IPC it is both Integrated Physics and Chemistry
Explanation:
1. Nitrogen
3. Oxygen
4. Helium
look into the periodic system
question 1: nitrogen
question 3: oxygen
question 4: helium
Is he strong enough to lift a 5.3kg weight? PLEASE HELP
A: No
B:Yes
C: He can lift more tham 5kg
D: He is the president of antartica
Answer:
c....
Explanation:
hope its help...
correct me if im wrong:>
Is he strong enough to lift a 5.3kg weight?
Answer: A. No
Explanation: Obviously, a rooster is not strong enough to lift a 5.3kg weight because a normal rooster would weigh 10kg.
In 100 mL of cold water, 35 g of NaCl will dissolve, but 70 g will not. This observation implies that
The observation implies that the solubility of a solution depends on both the amount of solute and the volume of solvent.
SolubilityThe solubility of a substance is the property of that substance to dissolve in a solvent.
The solubility of a solution is the ability of the solution to dissolve solutes.
Solubility depends on the quantity of solutes and solvents.
Thus, 100 mL water may be able to dissolve 35 g NaCl but not 70 g because the maximum solubility of the water is breached. In order to dissolve more NaCl, the volume of the water might need to be increased.
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At what temperature will 0.371 moles of neon gas occupy 10.30L at 2.50 atm?
Answer:
T=846K
Explanation:
We can use the formula for the Ideal Gas Equation, which is
[tex]PV=nRT[/tex]
P=pressure
V=volume
n=mols of gas
R=constant (0.08201 L-atm/mol-K)
T=temperature
We will have to rearrange to equation to find temperature, which is
[tex]T=\frac{PV}{nR}[/tex]
Time to solve:
[tex]T=\frac{(2.50 atm)(10.30L)}{(0.371 mols)(0.08206 L-atm/mol-K)}[/tex]
[tex]T=846 K[/tex]
If you want to convert to Celsius, subtract 273 to your answer, which will get you 573ºC.
Escribe la configuracion electronica de 2 elementos metalicos
Answer:
translation: Write the electronic configuration of 2 metallic elements.
Answer:
(See explanation)
Explanation:
Copper: [Ar] 3d¹⁰ 4s¹
Silver: [Kr] 4d¹⁰ 5s¹
Light travels faster in air than in water
Answer:
.
Explanation:
Is a solution in which [H+] = 1.0 × 10-5M acidic, basic, or neutral?
We need pH
[tex]\\ \rm\Rrightarrow pH=-log[H^+][/tex]
[tex]\\ \rm\Rrightarrow pH=-log10^{-5}[/tex]
[tex]\\ \rm\Rrightarrow pH=5[/tex]
Acidic
Considering the definition of pH, the pH is lower than 7, so the solution is basic.
What is pHpH is the Hydrogen Potential. It is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.
Mathematically, pH is calculated as the negative base 10 logarithm of the activity of hydrogen ions:
pH= - log [H⁺]
The numerical scale that measures the pH of substances includes the numbers from 0 to 14. The pH value 7 corresponds to neutral substances. Acidic substances are those with a pH lower than 7, while basic substances have a pH higher than 7.
This caseIn this case,[H⁺]= 1×10⁻⁵ M.
Replacing in the definition of pH:
pH= - log (1×10⁻⁵ M)
Solving:
pH= 5
Finally, the pH is lower than 7, so the solution is basic.
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Sucrose is very soluble in water. At 25◦C,
211.4 grams of sucrose will dissolve in 100
g of water. Given that the density of the
saturated sucrose solution is 1.34 g/mL, what
is the molarity of the solution? The molar
mass of sucrose is 342 g/mol.
(It's not 1 or 3)
Answer:
number of moles of solute dissolved in one liter of solution.1. 8.28
Explanation:
I'm not sure but I hope it's help
The element chlorine has atomic no.17 and atomic mass 35. Calculate the no. of protons, neutrons and electrons.
Answer:
Protons = 17 Neutrons = 18 Electrons = 17
Explanation:
The number of protons and electrons are the the same number as the atomic number.
To get the number of neutrons, subtract the number of protons from the mass number.
35-17=18
Answer:
Protons: 17
Neutrons: 18
Electrons: 17
Explanation:
To find the number of protons, you simply have to find the atomic number of the element.
To find the number of protons you have to subtract the atomic number from the atomic mass
To find electrons to add or subtract the charge that the element has. (In this case, it has no charge)