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dimaraw [331]
3 years ago
9

what separation procedure is most likely to happen? .a. freezing a compound will break it down into elements .b. filtering a mix

ture will separate it into mixtures .c. boiling a pure substance will separate it into mixtures .d. melting an element will break it down into compounds?
Chemistry
1 answer:
SOVA2 [1]3 years ago
8 0

Explanation:

i think its B but i'm not fully sure (Correct)

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What mass of water will change its temperature by 3.0 0C when 525 J of heat is added to it? The specific heat of water is 4.184
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Answer:

Mass of water = 41.8 g

Explanation:

Given data:

Mass of water = ?

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Solution:

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

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c = specific heat capacity of substance

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ΔT = 3.0°C

Now we will put the values in formula.

525 J = m × 4.184 j/g.°C  × 3.0°C

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m =  525 J/ 12.552 j/g

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