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harkovskaia [24]
3 years ago
12

Help me answer Number 8 please

Chemistry
1 answer:
aleksandrvk [35]3 years ago
3 0

I and III  because when wearer boil the kinetic energy atoms move faster and the particles break apart which means the space increases instead of decreasing

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From where do nuclear power plants get uranium?
Anvisha [2.4K]

Answer:

Uranium mines operate in many countries, but more than 85% of uranium is produced in six countries: Kazakhstan, Canada, Australia, Namibia, Niger, and Russia. Historically, conventional mines open pit or underground were the main source of uranium.

Explanation:

Hope this helps

4 0
2 years ago
Calculate the mass in grams of iodine (i 2 ) that will react completely with 20.4 g of aluminum (al) to form aluminum iodide (al
garik1379 [7]
3I₂ + 2Al → 2AlI₃

m(I₂)=3M(I₂)m(Al)/{2M(Al)}

m(I₂)=3*253.8*20.4/{2*27.0}=287.64 g
8 0
3 years ago
Which methods will help you properly identify pH with indicator paper? Check all that apply. Set a piece of pH paper in front of
monitta

Set a piece of pH paper in front of each solution before testing to keep organized.

Use a transfer pipet to remove a few drops from the solution to drop onto the paper.

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Is the correct answer...

4 0
3 years ago
Read 2 more answers
How many electrons does hydrogen need to satisfy the octet rule?
quester [9]
Just 2 valence electrons.

Hydrogen already has one to start with, as well. With the exception of hydrogen and helium, all other atoms need 8 valence e-
4 0
3 years ago
Which of the following is an incorrect name for an acid? A. acetic acid B. hydrocarbonate acid C. hydrocyanic acid D. sulfurous
just olya [345]

Answer:

The answer to your question is letter B

Explanation:

Incorrect name

A. acetic acid               This name is correct for the acid with formula CH₃COOH

B. hydrocarbonate acid  This is not the name for acid but for a molecule that has hydrogen and a metal.  

C. hydrocyanic acid   This name is correct for the inorganic molecule with formula HCN

D. sulfurous acid          This name is correct and is the name of the inorganic molecule with formula H₂SO₃.

E. phosphoric acid       This name is correct for the acid with formula H₃PO₄.

5 0
3 years ago
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