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Oxana [17]
3 years ago
8

I will do ALL of your school work!!

Chemistry
1 answer:
Roman55 [17]3 years ago
7 0

Answer:

What grade are you in. If i am older, I dont think you would be able to help me.

Explanation:

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the answer to your question is A

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The structural formula of 2-methyl-propane<br>-2-ol​
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ch3c(ch3)(oh)ch3

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2 years ago
State whether the following statements are true or false (with justification). (a) 1 mol of N2 has more molecules than 1 mol of
MAVERICK [17]

Answer:

A. False.

Every substance contains the same number of molecules i.e 6.02x10^23 molecules

B. False.

Mass conc. = number mole x molar Mass

Mass conc. of 1mole of N2 = 1 x 28 = 28g

Mass conc. of 1mol of Ar = 1 x 40 = 40g

The mass of 1mole of Ar is greater than the mass of 1mole of N2

C. False.

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The molar mass of Ar is greater than that of N2.

Explanation:

7 0
2 years ago
Can somebody help me please? it’s urgent
Anettt [7]

Answers:

See attached table

Explanation:

The isotope symbol will have the mass number and chemical symbol.  The atomic number will be equal to the number of protons because the atomic number is the number of protons in an atom.  The electrons will be equal to the protons because the atom is neutral.  The neutrons can be found by subtracting the number of protons from the mass number.  The mass number can be found by adding the protons and neutrons.  It is also in the name of the isotope.

4 0
3 years ago
Why does waters boiling point decrease with increases in elevation
lesantik [10]

Answer:

Waters' boiling point decreases with increases in elevation because of the atmospheric pressure.

For example, the higher in elevation you are. The lower the atmospheric pressure is. In other words heated water reached boiling point quicker.

3 0
2 years ago
Read 2 more answers
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