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Olegator [25]
3 years ago
10

Please help

Chemistry
1 answer:
Anna11 [10]3 years ago
4 0
A punta la kk bien echo
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What is the gram molecular mass of a compound if 5 moles of the compound has a mass of 100 grams?
aivan3 [116]
5 mols = 100 grams
1 mol = 100/5
1 mol = 20 grams.
6 0
3 years ago
Find the volume of a gas at standard pressure if its volume at 780 mm Hg is 80 ml​
Olin [163]

Answer:

0.082L or 82mL

Explanation:

Given parameters:

Pressure of gas  = 780mmHg;

                760mmHg  = 1atm

                780mmHg  = \frac{780}{760}   = 1.03atm

Volume of gas  = 80ml  = 0.08L

Standard pressure  = 1atm

Unknown:

Volume of gas   = ?

Solution:

To solve this problem, we apply Boyle's law which states that "the volume of a fixed mass of gas is inversely proportional to the pressure if the temperature is constant".

   Mathematically;

        P₁ V₁   = P₂ V₂

P and V are temperature values

1 and 2 are initial and final states;

    Insert the parameters and solve;

               1.03 x 0.08  = 1 x V₂

   V₂  = 0.082L or 82mL

8 0
3 years ago
The size of the gas particles compared to the overall volume of the gas is 22.4 L
jeka57 [31]
Well. Yeah. Basically.

1 mole of any gas is 22.4 L. 

Not really sure if that answers your question but that's what i know. 
Anyway if we are talking about the size then usually gases are filled with empty space.
4 0
4 years ago
Can you help me on chemistry
Blababa [14]

Answer:

potentially

Explanation:

what is the question?

7 0
4 years ago
Read 2 more answers
What makes up a film badge?
Inessa [10]

Film badges is a personal dosimeter used for monitoring cumulative radiation dose due to ionizing radiation.

A panel or layers of photographic film covered with black paper and exposed to air ,salt,and other chemicals on clear acetate

8 0
3 years ago
Read 2 more answers
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