PHYSICS HIGH SCHOOL

The temperature of water in a beaker is 45°C. What does this measurement represent?the heat capacity of water

the total thermal energy of water

the average kinetic energy of water particles

the total kinetic energy of water particles

Answers

Answer 1
Answer: According to the Kinetic Molecular Theory of Matter, the average kinetic energy of the atoms in a system is directly proportional to its temperature. Thus, the answer to this question is: the average kinetic energy of water particles.
Answer 2
Answer:

Answer:

C

Explanation:

It's a scientific law. Facts, fam.

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Please help me, i beg you. Which Statement best describes the inner core of the earth?

a
A metallic liquid substance
b
A very cold substance
c
A spherical solid metal made up of Nickel, Iron and small amount of sulfur, silicon and oxygen.
d
A flatten but thick structure similar to a granite counter top

Answers

Answer:

c

Explanation:

A spherical solid metal made up of Nickel, Iron and small amount of sulfur, silicon and oxygen.

you are welcome

When a baseball player throws a ball straight up, by how much does the velocity of the ball decrease each second

Answers


It decreases 9.8 meters per second each second, until it reaches
its highest point and starts falling.  Then its speed increases
9.8 meters per second each second, until it hits the ground.

Which of the following solutes dissolved in 1000g of water would provide the fewest number of particles?A) 1000 g of glucose (C6H12O6)
B) 1000 g of sodium chloride (NaCl)
C) 1000 g of calcium carbonate (CaCO3)
D) 1000 g of potassium sulfate (K2SO4)

Answers

Answer:

Option A

Explanation:

The number of particles a solute provides in a solution depends on its chemical formula and how it dissociates or ionizes in water.

A) 1000 g of glucose (C6H12O6) does not ionize or dissociate in water, so it remains as individual molecules. Therefore, it provides the fewest particles since it's composed of only C, H, and O atoms.

B) 1000 g of sodium chloride (NaCl) dissociates into two ions (Na⁺ and Cl⁻) in water, so it provides two particles per formula unit.

C) 1000 g of calcium carbonate (CaCO3) can dissociate into three ions (Ca²⁺, CO₃²⁻) in water, so it provides three particles per formula unit.

D) 1000 g of potassium sulfate (K2SO4) can dissociate into three ions (2K⁺ and SO₄²⁻) in water, so it also provides three particles per formula unit.

So, option A, 1000 g of glucose (C6H12O6), provides the fewest number of particles because it doesn't dissociate or ionize in water.

If you push on a wall with a force of 200n with what force does the wall push back

Answers

According to Newtons law, every action has an equal and opposite reaction. So if a student is pushing a wall with a force of 200n, then the wall is pushing the student with 200n 

Regarding Indonesia, which of the following statements is false

Answers

Sukarno was succeeded by Suharto.  So choice ' C ' is false.
The answer is C. Suharto was the 2nd leader not first

Which of the Following is NOT a layer of the atmosphere?A) Mesosphere
B) Thermosphere
C) Exosphere
D) Lithosphere

Answers

lithosphere is not a layer of the atmosphere
The lithosphere is not a layer of the atmosphere. It is a layer of the earth-in the mantle
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