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densk [106]
3 years ago
13

What caused the temperature of the sand to change?

Chemistry
2 answers:
Setler79 [48]3 years ago
8 0
Sand is usually hot from the sun. It is hot because of the sun. if the sand were to be wet then it would take longer to change.
anzhelika [568]3 years ago
7 0

Answer:

THE SUN RADIATION

Explanation:

SOMETHING

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Good ventilation as a product of it is pure Cl2  gas 
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What quantity is ph a measure of
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The pH of a solution is a measure of the molar concentration of hydrogen ions in the solution and as such is a measure of the acidity or basicity of the solution.

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Any five uses of solution.....​
laiz [17]

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3 0
2 years ago
Read 2 more answers
A 1.00 liter solution contains 0.24 M hypochlorous acid and 0.31 M sodium hypochlorite. If 0.160 moles of potassium hydroxide ar
ryzh [129]

Explanation:

When OH- (as in potassium hydroxide) is added, it reacts with the acid (HOCl) to reduce the amount of HOCl and increase the concentration of  sodium hypochlorite.

Potassium hydroxide will react with the hypochlorous acid to produce hypochlorite ions. In the process, some of the weak acid will be consumed, along with the added strong base.

This occurs as follows:

HClO(aq) + KOH(aq) → KClO(aq) + H2O(l)  

since water is formed, this maintains the pH.  Thus ...

A. The number of moles of HClO will decrease. - TRUE

B. The number of moles of ClO- will increase. - TRUE

C. The equilibrium concentration of H3O+ will remain the same. - TRUE

D. The pH will decrease. - FALSE

E. The ratio of [HClO] / [ClO-] will decrease. -TRUE. It will decrease as HClO goes down and ClO- goes up.

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Explain in terms of bonding why the hydrocarbon 2-methylpropane is saturated
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Answer:

because no 2 or 3 bond so it is saturated

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