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Nataly_w [17]
3 years ago
10

Which of the following is an example of poetential energy changing into kinetic energy ?

Chemistry
2 answers:
allsm [11]3 years ago
4 0

B. A fruit falling from a tree.

Ede4ka [16]3 years ago
3 0

Answer:

C

Explanation:

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A stock solution has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L. What was the volu
erastova [34]

The volume of the stock solution that has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L is 0.065L.

<h3>How to calculate volume?</h3>

The concentration of a solution can be calculated using the following formula:

C1V1 = C2V2

Where;

  • C1 = initial concentration = 1.5M
  • C2 = final concentration = 0.54M
  • V1 = initial volume = ?
  • V2 = final volume = 0.18L

1.5 × V1 = 0.54 × 0.18

1.5V1 = 0.0972

V1 = 0.0972 ÷ 1.5

V1 = 0.065L

Therefore, the volume of the stock solution that has a concentration of 1.5 M SO2 and is diluted to a 0.54 M solution with a volume of 0.18 L is 0.065L.

Learn more about volume at: brainly.com/question/1578538

3 0
1 year ago
To what category of elements does an element belong if it is a poor conductor of electricity
Yuri [45]

I was wondering the same thing my dude

3 0
3 years ago
Identifying compounds Caffeine is the most widely used psychoactive drug in the world and is found in coffee beans, tea leaves,
Marina CMI [18]

Answer:

Matter

Compound

Explanation:

Caffeine is NOT an Element, because it is formed by different elements (C, H, N, and O).

Caffeine is NOT an Isotope, because this only applies to elements with the same atomic number but different mass number.

Caffeine is Matter because it has mass and occupies space by having volume.

Caffeine is a Compound because it has a formula with a <em>definite constant composition</em> of different elements.

4 0
3 years ago
Please someone solve this and tell me how you solve it
lianna [129]

Answer:

Supersaturated.

Explanation:

Hello there!

In this case, according to this solubility chart, we infer that for NH3, the solubility starts at 90 grams of NH3 that are soluble in 100 g of water at 0 °C and ends in about 8 g in 100 g of water at 100 °C for a saturated solution.

However, since we are asked for the solubility of NH3 at 20 °C, we can see that, according to the table and the curve for NH3, about 52 g of NH3 are soluble in 100 g of water; thus, for the given 60 g of NH3, we will say that 8 grams will remain undissolved, and therefore, this solution will be supersaturated.

Regards!

8 0
3 years ago
Is powdered drink and water a mixture or a solution
Elan Coil [88]
It is a homogenous solution because the powder is suspended in the liquid and there is no difference between any parts of it.
8 0
3 years ago
Read 2 more answers
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