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Eddi Din [679]
3 years ago
15

HELP I HAVE 3 MINUTES LEFT

Chemistry
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer: kinetic energy

Ainat [17]3 years ago
3 0

Answer:

Kinetic Energy.

Explanation:

All these "forces" rely on specific motion.

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1. What is the mass of 22.4 L of H2 at STP?
Fed [463]
1.
n = m/2.016 g/mol = V/22.4 l
V = 22.4 l
Hence,
m = 2.016 g ≈ 2.02 g
B.) 2.02 g

2.
Balancing the equation, we get,
Mg + 2HCl → MgCl2 + H2
PV = nRT
V = nRT/P
V = 1.5 mol × 8.314 atm/(mol.K) × 298 K/(0.96 atm)
V = 3871.206
V ≈ 38.2 l
6 0
3 years ago
Read 2 more answers
Why can’t liquids change volume but gases can
natta225 [31]

Explanation:

Liquids cannot change volume but gases can because they have a fixed shape like solids.

Liquids have strong intermolecular forces binding their molecules together resulting is fixed ordering.

  • Gases are randomized with their molecules haphazardly arranged.
  • This allows them to expand spontaneously on their own.
  • Molecules of liquids are more tightly packed compared to gases.
  • In a liquid, the molecules have a less random pattern of motion and can only slide past one another.
  • In a gas, the molecules are in continuous random, straight line motion.

Learn more:

Gases brainly.com/question/7966903

#learnwithBrainly

4 0
3 years ago
What does a group of atoms joined by chemical bonds create?
bagirrra123 [75]

Answer:

I can say that it is not a compound because I got it wrong

Explanation:

7 0
3 years ago
Read 2 more answers
What is The most common form of matter in the universe
soldier1979 [14.2K]

Hello! My name is Zalgo and I am here to help you out today. The most common form of matter in the universe would be "Plasma".  Plasma is gas that is heated a lot so it turns into high energy (high energy would be said "Plasma").

I hope that this helps! :D

"Stay Brainly and stay proud!" - Zalgo

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4 0
3 years ago
What is the atomic mass of an oxygen isotope that has 8 protons and 10 neutrons in its nucleus? 8 amu 10 amu 18 amu not enough i
Irina-Kira [14]

The atomic mass can be defined as the mass of neutrons and protons in the atom. The atomic mass of the oxygen isotope is 18 amu.

<h3>What is an atom?</h3>

An atom is the smallest particle comprised of three subatomic units, namely electrons, protons, and neutrons.

The number of electrons in the atoms determines the atomic number, while the number of protons and neutrons determines the atomic mass.

The atomic mass can be given as:

\rm Atomic\;mass=Neutrons+Protons

The oxygen isotope has been comprised of 10 neutrons and 8 protons. The atomic mass of the isotope is given as:

\rm Atomic \;mass=10+8\;amu\\Atomic\;mass=18\;amu

The atomic mass of the oxygen isotope is 18 amu. Thus, option C is correct.

Learn more about atomic mass, here:

brainly.com/question/5566317

6 0
3 years ago
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