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VMariaS [17]
2 years ago
13

You plan to use the water displacement method to

Chemistry
1 answer:
N76 [4]2 years ago
4 0

Answer: A stopwatch

Explanation:

You don’t needed

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1
maria [59]

Answer:

Gas to Solid

Explanation:

A condensation reaction goes from gas to solid

Condensation is a physical change which alters the physical properties of matter particularly the form and state. In a condensation reaction, a gas goes from solid to liquid.

It is the inverse of the sublimation reaction.

  • It involves the loss in energy by a gas.
  • When gases lose energy, they become pulled together by attractive forces.
  • This changes their state to solid with enough loss in energy.
3 0
2 years ago
<img src="https://tex.z-dn.net/?f=plz%20%5C%3A%20help%20%20%5C%3A%20me%20%5C%3A%20it%20%5C%3A%20is%20%5C%3A%20due%20%5C%3A%202mo
Sophie [7]

Answer:

hi.

Explanation:

1. B

2. C

3. A

4. B

5.B

hope this helps

5 0
3 years ago
An unsaturated solution is one that ________. an unsaturated solution is one that ________. contains the maximum concentration o
ziro4ka [17]
<span>An unsaturated solution is one that has a concentration lower than it's solubility. What happens is all of the solute dissolves in the solvent. For example, dumping a spoon of sugar into coffee ends up with an unsaturated solution. Because all the sugar dissolves into the solvent (the coffee).</span>
4 0
3 years ago
What is the molarity if I take 10mL of 20 volumes Hydrogen Peroxide?
Kryger [21]

Answer:

1.635 M

Explanation:

Given:

10 mL of 20 volumes Hydrogen Peroxide

Here,

20 volumes of Hydrogen Peroxide means that on decomposition of 1 mL of H₂O₂ 20 mL of O₂ is obtained

also,

means 1 dm³ of H₂O₂ solution produces 20 dm³ oxygen

Now,

at 298K and 1 atm

20 dm³ oxygen = \frac{\textup{20}}{\textup{24.47}}  moles

or

= 0.817 moles

also,

2H₂O₂ → 2H₂O + O₂

thus,

1 dm³ of solution must contain 2 × moles of O₂ as moles of H₂O₂

thus,

Number of moles of H₂O₂ = 2 × 0.817

or

Number of moles of H₂O₂  = 1.635 moles

Hence,

For 20 volume hydrogen peroxide is 1.635 M

3 0
3 years ago
Wetlands provide habitats for many living things because of their sheltered waters and
777dan777 [17]
The choices can be found elsewhere and as follows:

<span>a. large supply of nutrients.
b. thick layer of mud.
c. lack of insects
d. ability to prevent floods.
</span>
I believe the correct answer is option A. Wetlands provide habitats for many living things because of their sheltered waters and large supply of nutrients. Hope this answers the question.
7 0
3 years ago
Read 2 more answers
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