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faltersainse [42]
3 years ago
9

Easy questions ha chemistry

Chemistry
2 answers:
zheka24 [161]3 years ago
8 0

Answer:

B

A

D

Explanation:

joja [24]3 years ago
3 0

Answer:

B

A

D

Explanation:

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Write structures for the three isomers of the aromatic hydrocarbon xylene, C6H4(CH3)2.
levacccp [35]

Answer:

Explanation:

Xylene exists as 3 isomers like Ortho ,para and meta xylenes

5 0
3 years ago
What is the percent composition of nitrogen in sodium nitride
Neporo4naja [7]

Answer:

16.86%

Explanation:

Na3N is sodium nitride.

% of N = mass of N/ molar mass of Na3N *100

% of N = 14/83*100= 16.86%

5 0
2 years ago
A 100. mL volume of 0.800 M calcium chloride is mixed with 400. mL of water to make 500. mL of solution. What is the final molar
strojnjashka [21]

Answer:

0.99mol/L

Explanation:

Molarity ( M) = # of moles of solute / volume of solution (L)

Volume of Solution = 100 mL or 0.1 L

Molarity ( M) = # of moles of solute / volume of solution (L)

Molarity (M) = 0.099 mol / 0.1 L = 0.99mol/ L

3 0
3 years ago
What element from the "Periodic Table" is named after an "Austrian Scientist"??
soldier1979 [14.2K]

Answer:

Should be either mendele or fermium

maybe lawrencium not sure but I think it’s lawrencium! Sorry if wrong heh

Explanation: <u><em>really trying to help! If it’s wrong super sorry!!!</em></u>

3 0
2 years ago
Which is a physical property of matter?
IrinaK [193]

Answer:

D

Explanation:

6 0
2 years ago
Read 2 more answers
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