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Phoenix [80]
3 years ago
15

If I use the answers from here wouldn't that come up as a high % plagiarism ??

Chemistry
2 answers:
damaskus [11]3 years ago
6 0

Answer:

No

Explanation:

My sister uses this all the time and it is perfectly safe

Katyanochek1 [597]3 years ago
4 0

Answer:

no

Explanation:

as long as you change it up a little and word it to look like your own

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To find the mass of Ca(NO3)2 you would add up ___ Calcium, ___ Nitrogens, and ___ Oxygens.
Varvara68 [4.7K]

The answer for the following answer is mentioned below.

  • Therefore the mass of calcium nitrate ( Ca(NO_{3} )_{2}

Explanation:

To find the mass of calcium nitrate (Ca(NO_{3} )_{2} ) is :

No of calcium are 1

No of nitrogen are 2

No of  oxygen are 6

( NO_{3} ){2} = N_{2} O_{6}

So therefore;

No of nitrogen are 2

No of  oxygen are 6

Mass of  (Ca(NO_{3} )_{2} ) :

molecular mass of calcium =40

molecular mass of nitrogen = 14

molecular mass of oxygen = 16

N_{2} O_{6}  = (14×2) + (16×6)

           = 28 + 96

           = 124

Ca(NO_{3} )_{2}  = 40 + 124

<u><em></em></u>Ca(NO_{3} )_{2}<u><em>  = 164 grams</em></u>

Therefore the mass of calcium nitrate ( Ca(NO_{3} )_{2} ) is 164 grams

3 0
3 years ago
Why is the vapor pressure of a warm pale higher than the vapor pressure of a cold lake
levacccp [35]

The vapor pressure of a warm pale higher than the vapor pressure of a cold lake because Warm water evaporates more quickly.

Hence, Option B is correct answer.

<h3>What is Evaporation ? </h3>

The process in which a liquid or solid is converted into vapour is called Evaporation. When water gains the heat energy then it changes in to gas. When the temperature increases it speeds up the rate of evaporation.

The temperature of warm water increases, the kinetic energy of the warm water molecule also increases.

Thus from the above conclusion we can say that The vapour pressure of a warm lake is higher than the vapor pressure of a cold lake because Warm water evaporates more quickly.

Hence, Option B is correct answer.

Learn more about the Evaporation here: brainly.com/question/9339710

#SPJ1

Disclaimer: The question was given incomplete on the portal. Here is the complete questions.

Question: Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake?

A. Warm water has a greater heat of vaporization.

B. Warm water evaporates more quickly.

C. Cool water evaporates more quickly.

D. Cool water has a greater heat of vaporization.

3 0
2 years ago
Compare a cup of hot coffee with the Pacific Ocean. Which statement about thermal energy and temperature is correct?
ruslelena [56]
I believe your answer will be D.
6 0
3 years ago
Read 2 more answers
Which of the following models give the volume of a molecule?
Lelu [443]

Answer:

Space filling model

Explanation:

not sure

4 0
4 years ago
5. Location A is in the center of a large desert. What factor could account for its low annual
Katena32 [7]

Answer:you got it keep working

Explanation:

8 0
3 years ago
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