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Karo-lina-s [1.5K]
2 years ago
13

You are planning an investigation that explores properties of matter.

Chemistry
1 answer:
Elena-2011 [213]2 years ago
7 0

Answer:

Placing a powder into a beaker that contains liquid, resulting the beaker to get hotter.

Explanation:

Physical property is something that you can observe that does not affect the mixture/solution/substance, and that includes temperature

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What is the term for the number of protons in the nucleus of each atom of an element?
xxTIMURxx [149]

Answer:

atomic number

Explanation:

atomic number is the number of protons

5 0
1 year ago
I have 345mL of a 1.5M NaCl solution. If I boil the water until the volume of the solution is 250mL, what will the molarity of t
Karo-lina-s [1.5K]
Answer is
C. 2.07 M


For explanation

M1V1 = M2V2

M2 = (M1V1)/V2

M2 = (1.5M x 345ml) / 250 ml

:. M2 = 2.07 M
8 0
3 years ago
a solid sample of oil is warmed until it turns into a liquid. which property of the oil will decrease?
raketka [301]

  I think the answer is it turnes into a gas. Hope it helps! :) Asnwer is density.

4 0
3 years ago
How well can you apply Charles’s law to this sample of gas that experiences changes in pressure and volume? Assume that pressure
anzhelika [568]

Answer:

A: 384

B: 0.85

C: 1.1

D: 221

Explanation:

3 0
2 years ago
Read 2 more answers
50 POINTS!!!! PLEASE HELP I AM BEGGING!!!!!!
polet [3.4K]
3CH4 refers to three molecules of a
compound and C3H12 refers to only one
molecule of a compound.
3CH4 and C3H12 are actually different
molecules though they contain the same
number and types of atoms. Recall that both
of them are hydrocarbons hence they
contain only hydrogen and carbon.
3CH4 refers to three molecules of methane
while C3H12 refers to one molecule of
diphenyl methane. Hence 3CH4 refers to
three molecules of a compound and C3H12
refers to only one molecule of a compound.
7 0
2 years ago
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