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olasank [31]
3 years ago
15

Which statement best compares potential and kinetic energy?

Chemistry
1 answer:
VMariaS [17]3 years ago
4 0

Answer:

nombres uno

number 1

Explanation:

it is what it is according to physicodeferigolical

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What pressure will be exerted by 25 g of CO2 at temperature of 25°C and a volume of .50 L?
Grace [21]

Answer:

P = 27.9 atm

Explanation:

Given data:

Mass of CO₂ = 25 g

Temperature = 25°C (25+273.15 K = 298.15 K)

Volume of gas = 0.50 L

Pressure of gas = ?

Solution:

Firs of all we will calculate the number of moles of gas,

Number of moles = mass/molar mass

Number of moles = 25 g/ 44 g/mol

Number of moles = 0.57 mol

Pressure of gas :

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

P × 0.50 L = 0.57 mol × 0.0821 atm.L/ mol.K  × 298.15 K

P = 13.95 atm.L/ 0.50 L

P = 27.9 atm

4 0
3 years ago
Which of these bonds is the weakest?​
Olenka [21]

Answer:

The first one has the weakest bond

Explanation:

The number of atoms together shows how strong the bonds in the second bond it is 4 bonds, the third is 8 bonds, the 4th one is 4 bonds thus why the first bond is the weakest.

6 0
3 years ago
A man threw a Frisbee which weighs 3 kg with a velocity of 5 m/s. What is the KE in the system? *
arsen [322]
The answer would be 8 just took the test
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2 years ago
How to do them 11-15 most difficult ones for me
BigorU [14]
Hope this can help you

6 0
3 years ago
What kind of energy transformation happens when a boy uses energy from a sandwich to run the race​
Nezavi [6.7K]
First when a person began to digest the food it becomes a chemical energy. The chemical energy is converted into a kinetic energy. As the body gets energy the kinetic is converted into a mechanical energy.

So here the sandwich is the food I hope it is accurate and helpful:)
3 0
3 years ago
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