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Anna35 [415]
2 years ago
13

1. This balanced equation represents a chemical reaction.

Chemistry
1 answer:
Dafna1 [17]2 years ago
5 0

Answer:

combustion is the answer

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A graduated cylinder was filled to 20.3 mL with water. A solid object weighing 73.05 g was immersed in the water, raising the me
victus00 [196]

The density of the solid object will be 2.63 g/mL

<h3>What is density?</h3>

Density of objects = mass/volume.

Recall that an object will always displace its own volume when placed in a liquid.

Volume of the solid object = Cylinder reading after immersing the object in the water - cylinder reading before immersing the object in the water.

             = 48.1 - 20.4

                  = 27.8 mL

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Density of the object = 73.05/27.8

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More on density can be found here: brainly.com/question/15164682

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3 0
1 year ago
I REALLY NEED YOUR HELPPPPPP!!!!!!!!!!!!!!!!!!!!when the boy was skating,kinetic energy was ______and thermal energy was _______
77julia77 [94]

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Explanation:

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3 years ago
P4+ __02_ P4010 <br> I need help ASAP
klasskru [66]

Answer:

P_4+5O_2\rightarrow P_4O_{10}

Explanation:

Hello!

In this case, when we want to balance chemical reactions such as in this case, the idea is to equal to number of atoms of each element at each side of the equation according to the lay of conservation of mass, just as shown below:

P_4+5O_2\rightarrow P_4O_{10}

Because we have four phosphorous and ten oxygen atoms at each side.

Best regards!

8 0
3 years ago
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