3 years ago

Which statement best explains the change in the matter before and after the change?

1 answer:

Luda [366]3 years ago

3 0

Answer: change

Explanation:

Change is change and sometimes it can be good and sometimes it can be bad.

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Nataly_w [17]

5 g of potassium oxalate react to produce 0.03 moles of calcium oxalate.

Calcium oxalate (CaC₂O₄) is obtained by the reaction of 5 g of potassium oxalate (K₂C₂O₄).

We can calculate the moles of CaC₂O₄ obtained considering the following relationships.

$5 g K_2C_2O_4 \times \frac{1molK_2C_2O_4}{184.24gK_2C_2O_4} \times \frac{1molCaC_2O_4}{2molK_2C_2O_4} = 0.03molCaC_2O_4$

5 g of potassium oxalate react to produce 0.03 moles of calcium oxalate.

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statuscvo [17]

They have same chemical properties
for example the elements of group VIII are called noble gases .They are unreactive, odorless and colorless.

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3 years ago

Tcecarenko [31]

I believe the answer Is B

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3 years ago

Tamiku [17]

Answer:8.7%

Explanation:

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kykrilka [37]

Decreasing temperature and increasing pressure

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3 years ago