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nordsb [41]
3 years ago
9

The trend of this graph is a. Negative b. Positive c. Zero

Chemistry
1 answer:
Sveta_85 [38]3 years ago
7 0
B. positive because y increases as x does. It it were negative y would decrease as x increases and it would be 0 if y stayed the same as x increases. 
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What is the density of 19.2 g of oak that has a volume of 25.7 cm3?
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3 years ago
Can you Find the quotient of 1/4 of 3
Romashka [77]

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3 years ago
Solid calcium carbonate decomposes to produce solid calcium oxide and carbon dioxide gas. Express your answer as a chemical equa
Gwar [14]

Answer:

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

Explanation:

Hello!

In this case, when solid calcium carbonate, CaCO3 (s), is decomposed by the action of thermal energy (heat), solid calcium oxide, CaO (s) and carbon dioxide gas, CO2 (g) are yielded via the following reaction:

CaCO_3\rightarrow CaO+CO_2

However, since calcium carbonate is solid as well as calcium oxide and carbon dioxide is given off as a gas, we write:

CaCO_3(s)\rightarrow CaO(s)+CO_2(g)

Which also balanced.

Best regards!

8 0
3 years ago
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