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artcher [175]
3 years ago
14

PPPLLLSSS HELP NOW 15 POINTS WHOEVER ANSWERS

Chemistry
1 answer:
zhenek [66]3 years ago
5 0

Answer:

A.evidence to the existence of life

Explanation:

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If some of the gas bubbles from the reaction had escaped out the bottom of the tube, how would this have affected your value for
Andrej [43]

The composition would be more "diluted" in a sense.

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3 years ago
What is the mole ratio between oxygen and carbon dioxide?<br><br> C25H52 + 38 O2 → 25 CO2 + 26 H2O
user100 [1]

Answer:

38 : 25

Explanation:

First thing's first, we have to confirm if the reaction is indeed balanced.

The equation of the reaction is given as;

C25H52 + 38 O2 → 25 CO2 + 26 H2O

From the reaction, 38 moles of O2 produces 25 moles of CO2

The ratio is given as;

38 : 25

4 0
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QveST [7]

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liq [111]
The number of protons in the nucleus of the atom, I believe.  c:
8 0
4 years ago
When writing the chemical formulas for a molecular compound, what method do you use?​
podryga [215]

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A molecular compound is usually composed of two or more nonmetal elements. Molecular compounds are named with the first element first and then the second element by using the stem of the element name plus the suffix -ide.

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