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ale4655 [162]
3 years ago
11

How much energy would be required to vaporize 45.0 grams of water?

Chemistry
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

Answer. The answer is 116 kJ

Explanation:

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In order to wash out the impurity, you looked up some sketchy method from 1952 which Hank Pym wrote during his Ph. D. under E. J
Eva8 [605]

Answer:

516.24

Explanation:

The solved solution is in the attached document.

8 0
3 years ago
How has the work of chemists advanced cancer treatment?​
jeyben [28]

Answer:

C

Explanation:

it wouldn't be A because that makes no sense

theirs no pill or any type of drug that can slow it down but their is a treatment plan for it

(It could be c or d)

6 0
3 years ago
Read 2 more answers
Which of the following is an example of maintaining homeostasis?
dsp73

Answer: Drinking water

Explanation:

Your body has a drive to maintain homeostasis in the body that keep it stable. Water, Food, Warmth are all exaamples of things your body needs an ample supply of the maintain homeostasis.

6 0
4 years ago
How much heat is lost when 0.440 mol of steam condenses at 100 °C?
dusya [7]

Answer:

17,890 J

Explanation:

The amount of heat released by a gaseous substance when it condenses is given by the formula

Q=n\lambda_v

where

n is the number of moles of the substance

\lambda_v is the latent heat of vaporization

The formula can be applied if the substance is at its vaporization temperature.

In this problem, we have:

n = 0.440 mol is the number of moles of steam

\lambda_v=40,660 J/mol is the latent heat of vaporization of water

And the steam is already at 100C, so we can apply the formula:

Q=(0.440)(40660)=17,890 J

8 0
4 years ago
16. Explain why antifreeze is used in vehicle radiators. Use your knowledge of the properties of
Fynjy0 [20]

Answer:

Antifreeze is whats used to keep your engine cool without freezing.

Explanation:

it keeps the engine from overheating.

It also prevents corrosion.

Here is a quote from google "Antifreeze works because the freezing and boiling points of liquids are “colligative” properties. This means they depend on the concentrations of “solutes,” or dissolved substances, in the solution. A pure solution freezes because the lower temperatures cause the molecules to slow down"

That quote is from "The Science Behind Antifreeze"

If you have any questions feel free to ask in the comments.

4 0
3 years ago
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