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kogti [31]
3 years ago
11

How many moles of O2 are needed to react completely with 35.0 mol of

Chemistry
1 answer:
klasskru [66]3 years ago
3 0

Answer:

I think your question is incorrect

Explanation:

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what's the density of an element if a sample has a mass of 43.2 g and a volume of 96.5 mL. (0.45 g/mL)
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To find the answer you need to use the formula that will help you to find the density. Density = mass/volume
d = 43.2g/96.5mL = 0.45g/mL
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3 years ago
If the heat of reaction is negative, that means that:
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Answer:

if the heat of reaction is positive, the reaction is said to be endothermic; if negative, exothermic.

Explanation:

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2 years ago
Perform the following
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Answer:

8.73

Explanation:

when you are adding or subtracting numbers, the sigfig (significant figure) is based on how many numbers after the decimal. with this info, we can see that 15.67 has 2 sigfigs and 6.943 has 3 sigfigs. when you subtract normally, you would get 8.727, which has 3 sigfigs, so you would round the last 7 up to get 8.73 with 2 sigfigs!

also it is to 2 sigfigs because we know that we go by the least number of sigfigs. hope this helped!

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3 years ago
Phase changes!a. Write out the Clapeyron equation and explain what it describes.b. Write out the Clausius-Clapeyron equation and
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Answer:

Solutions in the attachment.

Explanation:

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