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Dima020 [189]
3 years ago
11

Which statement is true about a liquid but not a gas?

Chemistry
2 answers:
kolezko [41]3 years ago
8 0

Answer:

A

Explanation:

every other answer is true for both gas and liquid

vovangra [49]3 years ago
3 0

Answer:

I think its D

Explanation:

.........................

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If a piece of metal were to cut in half would the density change
nadezda [96]
Density depends on both the mass and the volume of an object. If you cut a bar of gold in half, you would have two bars with half the mass of the original bar. However, each bar would also have half the volume of the original bar. The density of gold does not change.
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3 years ago
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The total volume of seawater is 1.5 x 1021L .Assume that seawater contains 3.1 percent sodium chloride by mass and that its dens
son4ous [18]

Answer:

Mass in kg = 4.7*10^19 kg

Mass in tons = 5.2*10^16 tons

Explanation:

<u>Given:</u>

Total volume of sea water = 1.5*10^21 L

Mass % NaCl in seawater = 3.1%

Density of seawater = 1.03 g/ml

<u>To determine:</u>

Total mass of NaCl in kg and in tons

<u>Calculation:</u>

Unit conversion:

1 L = 1000 ml

The volume of seawater in ml is:

=\frac{1.5*10^{21}L*1000ml }{1L} =1.5*10^{24} ml

Mass\ seawater = Density*volume = 1.03g/ml*1.5*10^{24} ml=1.5*10^{24}g

Mass\ NaCl\ in\ seawater = \frac{3.1}{100}*1.5*10^{24}  g=4.7*10^{22} g

To convert mass from g to Kg:

1000 g = 1 kg

Mass\ seawater(kg) = \frac{4.7*10^{22}g*1kg }{1000g} =4.7*10^{19} kg

To convert mass from g to tons:

1 ton = 9.072*10^6 g

Mass\ seawater(tons) = \frac{4.7*10^{22}g*1ton }{9.072*10^{6}g } =5.2*10^{16} tons

5 0
3 years ago
Electromagnetic radiation at its maximum wavelength is _____.
Fittoniya [83]

Answer:

Option A) Radio waves.

Explanation:

Have a great day.

3 0
2 years ago
At about what age does basal metabolic rate begin to gradually decrease?
natulia [17]
This would decrease by 25 hope this helps !!
6 0
3 years ago
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