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devlian [24]
3 years ago
6

Which statement is true of any chemical reaction

Chemistry
1 answer:
shtirl [24]3 years ago
5 0

Answer:

how can I know

Explanation:

there are no choices

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yuradex [85]

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Climate of Georgia. Maritime tropical air masses dominate the climate in summer, but in other seasons continental polar air masses are not uncommon.

Explanation:

3 0
3 years ago
Which reaction most accurately represents the dissociation of nitrous acid (hno2) in water?
yanalaym [24]

When nitrous acid (HNO₂) dissociates in water (H₂O), the reaction that best captures this process is:

                HNO₂ (aq.) + H₂O ↔  H₃O⁺ (aq.) + NO₂⁻ (aq.)

How does one know about HNO₂?

  • The chemical designation for nitrous acid is HNO₂, and it is a monoprotic acid. Three elements—hydrogen(H), oxygen(O), and nitrogen(N), all compose it.
  • It is highly fragile in nature and only occurs in solutions.
  • It is employed to convert amines into diazonium salts.

Is HNO₂ a basic or an acid?

Acidity is assigned to nitrous acid (HNO₂). Once dissolved in water, it gives out H+ ions. Acid is a chemical that produces H+ ions in a water-based solution or gives the protons to other molecules.

Thus, HNO₂ is acid because it causes a mixture of water to contain H+ ions. In a 10 mM concentration, it possesses a pH of 2.67.

Learn more about nitrous acid here:

brainly.com/question/17055219

#SPJ4

8 0
2 years ago
3 x 1023 molecules of element Z have a mass of 38 g. What is the mass of 1 mole?
aniked [119]
38 g / (3 x 10^23 molecules) * 6,02x10^23 molecules/mol = 76,25 g/mol.
3 0
3 years ago
Read 2 more answers
Determine the rate law and calculate the rate constant for the chemical reaction.
Soloha48 [4]

Answer:

The rate law is [B]

Explanation:

In Trials 1 and 2, the concentration of B changes and A is the same so you can see how changes in B affect the rate. In this case, 0.300/0.150=2 and 7.11 x 10^-4 / 3.56 x 10^-4= 2. Since there 2^1=2, we can say that the reaction order of B is 1.

Similarly, if we look at trials 2 and 3, the concentration of B is constant, while A is changing. In this case, the rate has not changed at all with a change in concentration of A, so this means that A has 0 order.

Therefore, the rate law is just [B].

6 0
3 years ago
The first method of determining the chemical composition of substances in space was to _____.
Art [367]

Answer:The first method to determine the chemical composition of a substance in space was using light. By determining red shift in the observed spectrum of light they could determine the elements they were observing

Explanation:

5 0
3 years ago
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