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podryga [215]
2 years ago
10

Which of the following would increase the surface area of a solid so that it dissolves faster?

Chemistry
1 answer:
Usimov [2.4K]2 years ago
4 0
Increasing the surface area increases the rate of solubility of a solid because a larger number of molecules of the greater surface area have contact with the solvent
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Perform the following metric conversions: Please explain bc I really dont get it at ALL !!!!
makkiz [27]

Answer:

0.2007 nm

3.57 cm

0.01478 g

8280000 pg

Explanation:

1)200.7 pm

1 picometer is equal to 0.001 nanometer.

1 nm = 1000 pm

200.7 pm× 1 nm / 1000 pm  = 0.2007 nm

2)0.000357 hm

1 hectometer is equal to 10,000 centimeter.

1 hc = 10,000 cm

0.000357 hc× 10,000 cm / 1 hc = 3.57 cm

3) 14.78 mg

1 gram is equal to 1000 milligram.

1 g = 1000 mg

14.78 mg × 1 g/1000 mg = 0.01478 g

4)8.280 µg

1 microgram is equal to 10⁶ picogram.

1 µg = 1000000 pg

8.280 µg× 10⁶ pg/ 1µg = 8.280×10⁶ pg or 8280000 pg

7 0
3 years ago
Which statement describes the location of metalloids on the periodic table? The metalloids are located below metals and above no
Talja [164]
The metalloids are Boron, Silicon, Geranium, etc and are found to the right of the metals and the left of the nonmetals. Since that is not an option, the best choice would be: The metalloids are located below nonmetals and above metals within a group.
4 0
3 years ago
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Calculate the ph of a buffer that is 0.12 m in lactic acid and 0.11 m in sodium lactate
zzz [600]
Your welcome xD .......

8 0
3 years ago
Which statement best explains the relationship between cellular respiration and photosynthesis? Cellular respiration breaks down
Savatey [412]

Answer:

I think both photosynthesis and cellular respiration breaks down glucose

Explanation:

sorry if i'm wrong

4 0
3 years ago
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Adjacent water molecules interact through the ________. a. sharing of electrons between the hydrogen of one water molecule and t
Yakvenalex [24]

Answer: Option (c) is the correct answer.

Explanation:

A water molecule is made up of two hydrogen atoms and one oxygen atom. Due to the difference in electronegativity of hydrogen and oxygen, the electrons are pulled more towards oxygen atom.

As a result, a partial positive charge will develop on hydrogen atom and a partial negative charge will develop on oxygen atom.

Thus, we can conclude that adjacent water molecules interact through the  electrical attraction between the hydrogen of one water molecule and the oxygen of another water molecule.

7 0
3 years ago
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