3 years ago

The particles that make up matter do not change during a ?

Chemistry

2 answers:

Bogdan [553]3 years ago

8 0

Matter can only me transformed, but not created or destroyed.

S_A_V [24]3 years ago

6 0

Matter can't be destroyed nor created but only transferred.

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There are two common oxides of copper; one is 80% copper and the other is 89% copper by weight. Calculate the formula and name e

irakobra [83]

80% copper (Cu)

Cu: 80 : 63.546 = 1.259

O: 20 : 16 = 1.25

Cu:O = 1 : 1

the formula: CuO

89% copper (Cu)

Cu: 89 : 63.546 = 1.4

O: 11 : 16 = 0.6875

Cu:O = 2:1

the formula: Cu₂O

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levacccp [35]

Answer:

$Composing \: means \: to \: come \: together \: to \: \\ form \: or \: make \: something.$

Explanation:

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A gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is increased to 1.25 atm. (Boyle)

vlabodo [156]

Answer:

Explanation:

The new volume can be found by using the formula for Boyle's law which is

$P_1V_1 = P_2V_2$

Since we are finding the new volume

$V_2 = \frac{P_1V_1}{P_2} \\$

From the question we have

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We have the final answer as

Hope this helps you

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