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alina1380 [7]
3 years ago
14

Wich of thses is an example of an environment changing slowly?

Chemistry
2 answers:
EleoNora [17]3 years ago
7 0
I think It's letter A
igor_vitrenko [27]3 years ago
7 0
C because the othern ones happen suddenly while succession is slower
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Which formula can be used to calculate the molar mass of ammonia
Nikolay [14]

Answer:

Since there are 3 Hydrogen atoms present, the formula mass of H is 1.0 × 3 = 3.0 g/mol. Therefore, by adding them up, the formula mass of ammonia is: [14.0 g/mol + 3.0 g/mol] = 17.0 g/mol.

7 0
3 years ago
Which describes the normal boiling point of a substance?
kicyunya [14]

Answer:

I think it's D

Explanation:

I'm so sorry if that's wrong, hope it helps!

6 0
3 years ago
HBrO(aq) + H2O(l) ⇄ H3O+(aq) + BrO−(aq)   Keq=2.8×10−9
Verdich [7]

Answer: The equilibrium concentration of BrO^- will be much smaller than the equilibrium concentration of HBrO, because Keq<<1

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_{eq}

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

HBrO(aq)+H_2O(l)\rightarrow H_3O^+(aq)+BrO^-(aq)

The expression for K_{eq} is written as:

K=\frac{[H_3O^+]\times [BrO^-]}{[HBrO]}

Concentration of pure solids and liquids is taken as 1.

K=2.8\times 10^{-9}

Thus as K_{eq} , That means the concentration of products is less as the reaction does not proceed much towards the forward direction.

7 0
3 years ago
What happens to the glucose molecule during the process of cellular respiration? (5 points)
Dmitry [639]

The correct answer is option a, that is, it gets broken down.  

A set of metabolic reactions and procedures, which occurs in the cells of organisms to transform biochemical energy from nutrients into ATP, and then discharge waste components is known as cellular respiration. At the time of cellular respiration, a molecule of glucose gets dissociated slowly into water and carbon dioxide. With it, some of the ATP is generated directly in the reactions, which transform glucose.  


4 0
4 years ago
In the fusion reaction occurring in the Sun, how does the mass of helium atom formed compare to the mass of the hydrogen atoms?
sladkih [1.3K]
The nuclear fusion<span> in our </span>sun<span> combines two </span>hydrogen atoms<span> (the smallest and lightest </span>atoms<span>) together to </span>form<span> one </span>helium atom<span> (a slightly larger </span>atom).  <span>During the process some of the </span>mass<span> is converted into energy.</span>
7 0
4 years ago
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