PLS HELP CHEM

Chemistry

1 answer:

Bess [88]2 years ago

7 0

Answer:

Use the formula PV=nRT to get the temperature

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Calculate the Ph of:

andrey2020 [161]

Answer:

pH= 3.82

Explanation:

Sodium ethanoate or sodium acetate (CH3COONa) ionises completely.

Ethanoic acid or acetic acid (CH3COOH), ionises partially because it is a weak acid.

4 0

2 years ago

Which of these boxes will not accelerate?

love history [14]

Answer:

B as all the forces cancel out

Explanation:

20-20=0

25-25=0

3 0

2 years ago

2. Which substance will form a solution with water? (Select all that app

cupoosta [38]

Answer:

sugar and salt, as they can dissolve in water. Sugar and salt have a high solubility in water. So, sugar and salt can form a solution with water.

Explanation:

7 0

2 years ago

When a sodium atom becomes an ion the size of the atom?

jeyben [28]

The size of atom reduces

Electronic configuration of sodium -
2,8,1

In order to become stable it loses one electron and becomes positive ion.
It's size reduces.

3 0

2 years ago

The process of respiration is like a(n) __________.

algol13

Answer:

C. Combustion Reaction

Explanation:

Hope this helps!

8 0

2 years ago