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xeze [42]
2 years ago
8

Hello, I need help with this question

Chemistry
1 answer:
KIM [24]2 years ago
6 0

Answer:

carnivores organism get their energy from eating other organisms..

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a gas sample occupies a volume of 140 mL at a temperature of 296 K and a pressure of 98.2kPa. how many moles of gas are there? s
Tamiku [17]

Answer:

0.00559 mol

Explanation:

The following data were obtained from the question:

V = 140mL = 0.14L

T = 296K

P = 98.2kPa = 98200Pa

Recall: 101325Pa = 1atm

98200Pa = 98200/101325 = 0.97atm

R = 0.082atm.L/Kmol

n =?

The number of mole (n) can be obtained as follows:

PV = nRT

n = PV /RT

n = (0.97x0.14)/(0.082x296)

n = 0.00559 mol

Therefore, the number of mole of the gas present is 0.00559 mol

4 0
3 years ago
What volume of 12 M HCl solution is needed to make 2.5 L of 1.0 M HCI?
Jlenok [28]

Answer:

0.21 L of 12 M HCL

Explanation:

CV=CV

(12)(x)=(1.0)(2.5)

x=0.21

8 0
4 years ago
You want to place a piece of glass tubing into a ruber stopper after the tubing has been fire polished and cooled. This is best
igor_vitrenko [27]

Answer:

All of the above

Explanation:

This is correct

4 0
3 years ago
What were the names of the minerals and types of rocks?
padilas [110]
Types of rocks: Igneous, sedimentary, and metamorphic
There are over 200 names of minerals, I'm not sure what you want for that
8 0
3 years ago
Read 2 more answers
The majority of energy used in industrialized countries is produced using renewable resources.
vaieri [72.5K]

Answer:

The answer is FALSE

Explanation:

I took the test and it was false,

also if it was true then in industrialized countries would be more eco-friendly and there wouldn't be a huge hole in our ozone layer. and no more wars over oil.

7 0
3 years ago
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