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allsm [11]
3 years ago
7

Which represents an endothermic reaction? wood burning in a fire splitting a gas molecule changing frost to water vapor TNT expl

oding
Chemistry
2 answers:
scoundrel [369]3 years ago
8 0

Answer:

changing frost into water vapors.

Explanation:

KIM [24]3 years ago
6 0

Answer:

(C)Changing frost to water vapor

Explanation:

melting, boiling, evaporation, and sublimation are endothermic processes

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Irina18 [472]

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Explanation:hope this helps you out

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2 years ago
Which element will be more reactive - Mg (magnesium) OR Se (Selenium)? *
anygoal [31]

Answer:

magnesium

Explanation:

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5 0
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A hydrocarbon has the molar mass 26.04 g/mol. what is a possible formula
jonny [76]
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6 0
2 years ago
A 9-ounce of glass contains 72 milligrams of vitamin
sleet_krkn [62]
Answer: 7.2 ounces


Explanation:



1) Data:

<span>- glass size: 9-ounce
</span><span>
</span><span>- content of vitamin C: 72 milligrams
</span><span>
</span><span>
</span><span>- glasssize: x
</span><span>
</span><span>- content of vitamin C: 60 milligrams
</span><span>
</span><span>
</span><span>2) Proportion
</span><span>
</span><span>
</span><span>9 ounces / 75 mg = x / 60 mg
</span><span>
</span><span>
</span><span>3) Solution:
</span><span>
</span><span>
</span><span>9 ounces × 60 mg = 75 mg × x
</span><span>
</span><span>
</span><span>⇒ x = 9 ounces × 60 mg / 75 mg = 7.2 ounces
</span>
7 0
3 years ago
Why is tape attracted to my skin? DO NOT PLAGIARIZE I WILL REPORT YOU I’VE SEEN EVERY WEBSITE ON THE INTERNET SO DON’T SAY I DID
zheka24 [161]

Answer:

prorobly because of your body hairs

Explanation:

4 0
3 years ago
Read 2 more answers
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