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Colt1911 [192]
2 years ago
7

Please help I will give brainliest ;3

Chemistry
2 answers:
marin [14]2 years ago
6 0
Oxygen, carbon monoxide,Oxygen, carbon monoxide
Hatshy [7]2 years ago
3 0

Answer:

oxygen, carbondioxide

carbondioxide, oxygen

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PLEASE HELP!!
VLD [36.1K]

1. does preparing food in different ways affect the calories and percents of certain things

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6 0
3 years ago
Calculate the average velocity of nitogen molecule at STP<br>​
JulijaS [17]

Answer:

Nitrogen molecule is 28 neuclons×1.67×10-27 kg/nucleon = 4.68 д 10-26 kg. So the average speed of a gas molecule is about 500 m/sec. This is roughly the speed of sound in a gas 340 m/sec. So the average kinetic energy of the gas molecules is related to the temperature of the gas.

I hope this is helpful

4 0
3 years ago
3. Given the reaction:
sesenic [268]

Answer:

Attached

Explanation:

3 0
2 years ago
I'm not really sure on how to test if it is a chemical or physical change....
kolezko [41]
Chemical change because it cannot be reversed
4 0
3 years ago
Fill in the coefficients to balance the equation for the chemical reaction that occurs:
Dominik [7]

Answer:

The equation is balanced

Explanation:

NaCl (aq) + AgNO3(aq) ––> AgCl (s) + NaNO3 (aq)

NaCl (aq) + AgNO3 (aq)

Na = 1 , Cl=1 , Ag = 1 , No3= 1

AgCl (s) + NaNO3 (aq)

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8 0
2 years ago
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