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jeyben [28]
3 years ago
15

Explain the Sun's role in the water cycle

Chemistry
1 answer:
timama [110]3 years ago
3 0
It causes the water to evaporate from the earths surface so that it can cycle through again
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How can you determine the quantities of reactants and products in a chemical reaction
prohojiy [21]

Use the balanced equation.

5 0
3 years ago
A 5.5 × 10–3 M solution of fluoroacetic acid, CH2FCOOH, has a pH of 2.57. What is the acid-dissociation constant, K a, of this a
lianna [129]

The acid dissociation constant is 1.3 × 10^-3.

<h3>What is acid-dissociation constant?</h3>

The acid-dissociation constant is a constant that shows the extent of dissociation of an acid in solution. We have to set up the reaction equation as shown below;

Let the acid be HA;

                  HA       +      H2O ⇄      H3O^+      +      A^-

since the pH of the solution is 2.57 then;

[H3O^+] = Antilog(-pH) = Antilog(-2.57) = 2.7 × 10^-3

We can see that; [H3O^+]  = [A^-] so;

Ka = (2.7 × 10^-3)^2/(5.5 × 10^–3)

Ka = 1.3 × 10^-3

Learn more about acid-dissociation constant: brainly.com/question/9728159

6 0
2 years ago
What would happen if you added more than 5ml of H2O2 to the 5ml of yeast
anzhelika [568]

Hydrogen peroxide breaks down into water and oxygen.


2H₂O₂ → 2H₂O + O₂


The yeast present contains an enzyme called catalase which catalyses the reaction.


More the amount of the catalyst added, faster will be the decomposition of the hydrogen peroxide.


Thus if we added more than 5 mL of yeast solution to the 2H₂O₂, the breakdown would occur faster. Thus the bubbles and the accompanying fizz would be much more.


Read more on Brainly.com - brainly.com/question/10670134#readmore

7 0
3 years ago
Read 2 more answers
Which option is an example of a physical change? Question 3 options: baking bread burning paper cooking eggs cutting paper
Aleks04 [339]

Answer:cutting paper

Explanation:

4 0
3 years ago
(Please Help)
Marianna [84]

Answer:

B

Explanation:

Trust me I've had problems like these

6 0
3 years ago
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