What type of intermolecular force is CO3

Answers

Answer 1

Answer:

Answer:

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Gas produced from a reaction is a phase change and not a chemical change. a. True
b. False

Answers

Answer: The given statement is false.

Explanation:

A chemical reaction is a reaction which brings change in chemical composition of reactants resulting in formation of new compounds which have different chemical properties.

For example, $Zn + H_(2)SO_(4) \rightarrow ZnSO_(4) + H_(2)$

So, when gas is produced in a chemical reaction then it means new compounds are formed due to breakage of old bonds and formation of new bonds.

Thus, we can conclude that the given statement gas produced from a reaction is a phase change and not a chemical change, is false.

False I believe.
Hope I've done my duty!

Density is a measure of mass divided by volume

weight divided by area

volume divided by weight

mass divided by area

Answers

Density is mass divided by volume.

How many moles of H2O are produced when 64.0 g C2H2 burns in oxygen

Answers

The balanced chemical reaction will be:

C2H2 + 5/2O2 = 2CO2 + H2O

We are given the amount of C2H2 being burned. This will be our starting point.

64.0 g C2H2 (1 mol C2H2 / 26.02 g C2H2) (1 mol H2O/1mol C2H2) ( 18.02 g H2O/1mol H2O) = 44.32 g H2O.

Thus, the answer is 44.32 g H2O.

when copper sulphate + carbon = carbon sulphate + copper , does copper turn into a solid or still stays a liquid

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Solid, copper becomes insoluble when it is alone.

In general, the solubility of ________ in water decreases as temperature increases.

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Solubility of a gas in a liquid is directly proportional to the partial pressure of the gas present above the liquid and is inversely proportional to the temperature.

So, the solubility of gas in water decreases as the temperature increases.

Answer:

solubility increases

Explanation:

What is the condition of the outside air at a certain time and place?

Answers

weather... weather is the obvious answer

Weather or climate is another possible answer.

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How many electrons does calcium lose when forming an ionic bond with another ion?a. 1 b. 2 c. 3 d. 4