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Marta_Voda [28]
3 years ago
6

What most likely to cuase the rate of a chemical reaction to increase

Chemistry
2 answers:
-BARSIC- [3]3 years ago
7 0

Answer: adding a catalyst or increasing temperature

Explanation:

tensa zangetsu [6.8K]3 years ago
3 0

Answer:

An increase on temperature.

Explanation:

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Sapphires and Rubies are composed of ? <br>A. olive<br>B. turquoise<br>C. corundum<br>D. quartz​
Aleonysh [2.5K]

Answer:

c

Explanation:

it is corundum now please follow me

8 0
3 years ago
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If 40.0 g of HCl react with an excess of magnesium metal, what is the theoretical yield of hydrogen?
Alekssandra [29.7K]

<span>1.    </span>The balanced reaction is:<span>

Mg (s) + 2HCl (aq) --> MgCl 2 (aq) + H 2 (g) 

We are given the amount hydrochloric acid to be used for the reaction. This will be the starting point of the calculation.

40.0 g HCl ( 1 mol HCl / 36.46 g HCl) (1 mol H2 / 2 mol HCl) (2.02 g H2 / 1 mol H2) = 1.11 g H2</span>

5 0
3 years ago
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Identify the following reactions as combination, decomposition, or combustion reactions
kkurt [141]

Answer:

1. combustion

2. decomposition

3. decomposition

4. combination

5. decomposition

6. decomposition

Explanation:

combination of a reaction is when 2 more or elements/ compounds combine to form a compound. example: (A+B→AB)

decomposition of a reaction is when a chemical breakdown. example: (AB→A+B)

a combustion reaction is when an element/ compound reacts with oxygen to form the product of water and carbon dioxide.

example: ( C_{x} H_{y} + O_{2} → H_{2}O + CO_{2} )

7 0
2 years ago
Part of the solution that is présent in the largest amount is the
xenn [34]

Answer:

The largest amount is called the solvent.

                                 &

The smallest amount is called the solute.

Hope this helps :))

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What type of energy transformation is happening?
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