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ziro4ka [17]
3 years ago
11

Worth many points (timed test)

Chemistry
1 answer:
ANEK [815]3 years ago
6 0

Answer:

2.335 J/g*degrees celcius

Explanation:

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What is AgNO3 + KCI-KNO3+AgCI. What type of reaction does this represent
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<span>C4H10 + 6.5 O2 ----> 4CO2 + 5H2O 

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1. Count the C on the left (4), put a 4 where the C on the right. 

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3. Count the O on the right. You have 4*2 + 5 = 13. You have two on the left, so you need 6.5 on the left. 

4. Now multiply everything on the equation by two so you have nice integer numbers. 

5. check you have the same amount of everything on each side. 
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3 years ago
Iron sulfide is a compound. It is made by heating a mixture of iron and sulfur.
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Here are some of the differences between a mixture of iron and sulfur, and iron sulfide: the mixture can contain more or less iron, but iron sulfide always contains equal amounts of iron and sulfur. the iron and sulfur atoms are not joined together in the mixture, but they are joined together in iron sulfide.

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Why is this reaction considered to be exothermic? a Because energy difference A is greater than energy difference C. b Because e
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