2 years ago

Help on 2 and 3 due tomorrow pls help

Chemistry

1 answer:

Luda [366]2 years ago

4 0

Answer:

b= they are grouped differently, but all the atoms are still there.

You might be interested in

QUESTION:

vredina [299]

Answer:

Explanation:

4 0

3 years ago

How many moles of Ar gas are present in a container with a volume of 78.4 L at STP?

rusak2 [61]

<h3>Answer:</h3>

1 mole of a gas at STP occupies 22.4 L volume 

Now the volume is given =78.4 therefore,

No. of moles of gas = 78.4 ÷ 22.4 = 3.5 moles

I hope it helps you~

7 0

2 years ago

Help please! -A compound contains 0.013 moles of carbon, 0.039 moles of hydrogen and 0.0065 moles of oxygen. Determine the empir

stepan [7]

A) C2H6O1

To find the emperical formula, divide each mole value by the smallest

For carbon, 0.013/0.0065 = 2

For hydrogen, 0.038/0.0065= 6

For oxygen, 0.0065/0.0065= 1

Emperical formula = C2H6O1

8 0

2 years ago

Read 2 more answers

A gas is contained in a thick-walled balloon. When the pressure changes from 45.0 bar to 96.0 bar, the volume changes from 1.20

notsponge [240]

P1 * V1 ÷ T1 = P2 * V2 ÷ T2

45 * 1.20 ÷ 314 = 96 * V2 ÷ 420

30,144 * V2 = 22,680

V2 = 22,680 ÷ 30,144

The new volume is approximately 0.75 liter.

I hope I helped

5 0

3 years ago

Read 2 more answers

Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and substances that have b

DIA [1.3K]

Answer:

I think it is enzymes

Explanation:

5 0

3 years ago