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lions [1.4K]
3 years ago
5

Which option can be classified as a pure substance

Chemistry
2 answers:
AnnyKZ [126]3 years ago
7 0
There isn’t any options
Zina [86]3 years ago
4 0
I have done this question before and even though you didn’t provide the options. I think the correct option is elements
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Heat energy is _____ when it moves from one room to another.
MArishka [77]
Hello,

Thanks for posting your question here on brainly.

There are 3 ways heat energy can move:<span> Radiation, conduction, and convection.
</span>
However, your answer to this is most likely conduction

hope this helps:)

please let me know if it's correct.



6 0
2 years ago
Heat is added to a 200.-gram sample of H2O(s) to melt the sample at 0°C. Then the resulting H2O (image) is heated to a final tem
pochemuha
You are given 200 grams of H2O(s) at an initial temperature of 0°C. you are also given the final temperature of water after heating at 65°C. You are required to get the total amount of heat to melt the sample. The specific heat capacity, cp, of water is 4.186 J/g-°C. Let us say that T1 = 0°C and T2 = 65°C. The equation for heat, Q, is  

Q = m(cp)(T2-T1)
Q = 200g(4.186 J/g-°C )(65°C - 0°C)
<u>Q = 54,418J</u>
3 0
3 years ago
Read 2 more answers
Purchasing the correctly sized BMX bike is based on the height of the rider. In order to fit a customer, the salesman can use th
Phantasy [73]
Answer: Your best answer is A.

Explanation: 1.35 is a constant and thus is does not change. The equation can be simplified to-
“b = (0.29 x h)+ 1.35”
So, if your rider is say 60 inches tall, the equation would change to-
“b = (0.29 x 60)+ 1.35”
Then to-
“b = (17.4) + 1.35” or “b = 17.4 + 1.35”
And therefore the size of the BMX bike frame in inches would be-
“b = 18.75”

Hope this helped :)
5 0
2 years ago
When swimmers push against the wall of a pool with their feet, they are pushed away from the wall. Which of Newton's laws explai
Alecsey [184]

It would be his third law

8 0
2 years ago
------------------------------------------------
zavuch27 [327]

Answer:

what would u like me to do on this?

Explanation:

do you have a tablel of elements? if not then look at on online and search them all.

5 0
2 years ago
Read 2 more answers
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