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statuscvo [17]
3 years ago
13

True or false condensation occurs when liquid is converted to a solid

Chemistry
2 answers:
Snowcat [4.5K]3 years ago
5 0

Answer:

If you cool a gaseous substance, you can watch the phase changes that occur. The phase changes are: Condensation — going from a gas to a liquid. Freezing — going from a liquid to a solid.

<u>Do what you please with that answer.</u>

ikadub [295]3 years ago
4 0

Answer:

False.

Explanation:

When a liquid turns into a solid it is called melting, what you are referring is when gas turns into liquid.

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3) In the reaction below, how many grams of carbon dioxide are produced when iron III
Yanka [14]
<h3>Answer:</h3>

132.03 g

<h3>Explanation:</h3>

<u>We are given;</u>

  • The equation for the reaction as;

Fe₂O₃ + 3CO → 2Fe + 3CO₂

  • Molar masses of CO and CO₂ as 28.01 g/mol and 44.01 g/mol respectively
  • Mass of CO as 84 grams

We are required to calculate the mass of CO₂ that will produced.

<h3>Step 1: Calculate the number of moles of CO</h3>

Moles = Mass ÷ Molar mass

Molar mass of CO = 28.01 g/mol

Therefore;

Moles of CO = 84 g ÷ 28.01 g/mol

                     = 2.9989 moles

                    = 3.0 moles

<h3>Step 2: Calculate the number of moles of CO₂</h3>
  • From the reaction, 3 moles of CO reacts to produce 3 moles of CO₂
  • Therefore; the mole ratio of CO to CO₂ is 1 : 1
  • Hence; Moles of CO = Moles of CO₂

Moles of CO₂ = 3.0 Moles

But; mass = Moles × molar mass

Thus, mass of CO₂ = 3.0 moles × 44.01 g/mol

                                = 132.03 g

Hence, the mass of CO₂ produced from the reaction is 132.03 g

3 0
3 years ago
Help pls i really need help
MaRussiya [10]

Answer: I think it's 1

Explanation: Potential energy means stored energy . In Position 1 it's not moving the energy is being stored. Hope that helps.

6 0
3 years ago
Read 2 more answers
Explain why a solution can have many solutes, but only one solvent.
kkurt [141]
A solution has to have at least one solute, but there can be any number more than that. <span>There is only one solvent in any solution, whatever liquid is present in largest amount.</span>
7 0
3 years ago
Which are the products in this chemical reaction? 2C4H10 + 13O2 8CO2 + 10H2O A. 13O2 + 10H2O B. 8CO2 + 10H2O C. 2C4H10 + 13O2 D.
arsen [322]

<u>Answer:</u> The products in the given chemical reaction are 8CO_2\text{ and }10H_2O

<u>Explanation:</u>

Reactants are defined as the species which react in the reaction and are written on the left side of the reaction arrow.

Products are defined as the species which are produced in the reaction and are written on the right side of the reaction arrow.

For the given chemical equation:

2C_4H_{10}+13O_2\rightarrow 8CO_2+10H_2O

The reactants of the above reaction are 2C_4H_{10}\text{ and }13O_2 and the products are 8CO_2\text{ and }10H_2O

Hence, the products in the given chemical reaction are 8CO_2\text{ and }10H_2O

8 0
3 years ago
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Which solution would have the lowest freezing point?
KIM [24]

Answer:

a) espero te aya ayudado

8 0
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