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jek_recluse [69]
3 years ago
9

The freezing and thawing action of water affects a rock by?

Chemistry
2 answers:
Alex Ar [27]3 years ago
6 0
<span>The water soaks in the cracks of rocks, freezes and expands breaking the rock apart.</span>
Alexxx [7]3 years ago
4 0
The answer is letter b
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Four chemical compounds labeled from A to D. Compound A is CH3NH2. Compound B is CH3SH. Compound C is CH3CH2CHO with an O atom d
Alex Ar [27]

Answer:

Compound D is CH3OPO3 is the best answer

Explanation:

4 0
3 years ago
If 31.8 grams of LiCl are dissolved in 225 grams of water, what is the concentration of the solution in percent by mass?
SVEN [57.7K]
  <span>31.8/(31.8+225) *100 = 5.86% 


12 moles * 22.4 L/[email protected]= 26.9 L</span>
5 0
3 years ago
Calculate the moles of argon gas at STP in 33 L. Round answer to 2 significant figures.
babymother [125]

Answer:

1.5 mol

Explanation:

Step 1: Given data

  • Volume of argon gas: 33 L
  • Standard temperature: 273.15 K
  • Standard pressure: 1 atm

Step 2: Calculate the moles corresponding to 33 L of argon at standard temperature and pressure (STP)

At STP, 1 mole of argon gas occupies 22.4 L.

33 L × 1 mol/22.4 L = 1.5 mol

4 0
3 years ago
Which of the following are gamma rays NOT used for?`A. None of theseB. Industrial imagingC. Medical imagingD. Sterilization
kompoz [17]

Answer

A. None of these

Explanation

Gamma rays are ionizing electromagnetic radiation, obtained by the decay of an atomic nucleus. Gamma rays are more penetrating, in the matter, and can damage living cells to a great extent. Gamma rays are used in medicine (radiotherapy), industry (sterilization and disinfection), and the nuclear industry.

Thus, gamma rays are used for all the options given in B - D. So the correct answer is option A. None of these

3 0
1 year ago
I don’t understand this question someone please help
egoroff_w [7]
The answer is 49.97.
3 0
2 years ago
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