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rosijanka [135]
2 years ago
6

A small piece of hot metal is placed in cooler water. The metal is left in the water

Chemistry
1 answer:
scoundrel [369]2 years ago
5 0

Answer: The amount of energy lost by the metal is equal to the amount of energy gained by the water

Explanation:

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1
Otrada [13]

Answer:

A. the iron atoms are gaining kinetic energy

Explanation:

when the iron melted and solidifies it loses potential energy and changes to kinetic energy

3 0
2 years ago
What is the function of nucleosomes ?
anastassius [24]
Nucleosomes are the basic packing unit of DNA built from histone proteins around which DNA is coiled. They serve as a scaffold for formation of higher order chromatin structure as well as for a layer of regulatory control of gene expression.
4 0
3 years ago
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PURRRRRRRRRRRRRRRRPURRRRRRRRRRRRRRRRRRPURRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
natulia [17]

Answer:

purrrrr cat

Explanation:

7 0
3 years ago
CHEMISTRY HELP PLEASE!
WINSTONCH [101]
1) is called 3-methyl hexane because we choose the longest possible continuous chain which has 6 carbons and start numbering from the side that gives the branch lowest possible number.

2) is called 2-methyl-2-butene because we have to give the double bond lowest possible number but in this case double bond in position 2 from both sides so we start from the side gives the branch number 2 not 3

3)  is called 7-Ethyl-4-decyne because we have to start from the side that gives the triple bond lowest possible number which is 4 and the branch will be at position 7 (note that the name of 10 carbon is incorrectly written in the choices is called decane (as alkane) or decyne when contains triple bond)

4) is called 2,3-Dimethyl pentane because it is 5 carbons (pentane) and we have two branches of the same alkyl (dimethyl) in positions 2 and 3

5) is called 1-Butanol because it contains 4 carbons and has one OH as functional group which take the suffix -ol in position 1 so we said the name as 1-butanol (remember to give the functional group lowest possible number)

6) is called propyl butyl ether because the longest chain is 4 carbons which called butyl and the smallest chain is propyl, it also has another name 1-Propoxy butane <span />
7 0
3 years ago
Read 2 more answers
A solution has a pOH of 8.20. What is the concentration of H3O+?
Sedbober [7]

Answer:

.000001585

Explanation:

14-8.20=5.8

10^-5.8 = H3O+

- Hope this helped! Please let me know if you need further explanation.

7 0
3 years ago
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