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Mademuasel [1]
3 years ago
5

Evidence of chemical reactions include changes in

Chemistry
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

color, state, odor

Explanation:

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Given that the molar mass of carbon is 12 g/mol and the molar mass of oxygen is 16 g/mol, calculate the molar mass of carbon dio
nekit [7.7K]
Molar mass of oxygen is:
M(O)=16 g/mol
Molar mass of carbon is:
M(C)=12 g/mol  
Molar mass of carbon dioxide is:
M(CO2)=M(C)+2*M(O)
 M(CO2)=12 g/mol+2*16g/mol
M(CO2)=44 g/mol

<span>Molar mass(M) is the mass of 1 mole of the substance (grams per mole of a compound).</span>
7 0
3 years ago
What is the possible formula of AC if A has 2 valence electrons and C has 7 valence electron?
Brut [27]
AC2

A will lose 2
C will gain 1

Need two Cs to match A
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3 years ago
Calculate the mean rate of reaction when 23 cm<br> of gas<br> is produced in 15 seconds.
katrin2010 [14]

Answer:

1.53 cm/s

Explanation:

Rate = Length/time

        = 23/15

        = 1.53 cm/s

<u>BRAINLIEST?</u>

<u>PRETTY SURE IT IS.</u>

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2 years ago
Which of the following increases the average kinetic energy of colliding particles? A. adding a catalyst B. increasing the tempe
irina [24]

The average kinetic energy of colliding particles can be increased by increasing temperature.

B.

6 0
3 years ago
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Dribbling a basketball harder into the floor makes it bounce higher is an example of what newton's law?
vodomira [7]
Newton’s third law, because a person(a) is acting upon the ball(b) by dribbling the ball on the floor
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