Which statement defines the temperature of a sample of matter?1) Temperature is a measure of the total electromagnetic energy of the particles.
2) Temperature is a measure of the total thermal energy of the particles.
3) Temperature is a measure of the average potential energy of the particles.
4) Temperature is a measure of the average kinetic energy of the particles.

Can someone help me with this?

Answers

Answer 1

Answer: The correct answer is D.

It is known with definition of temperature.
Temperature of a system is average energy of microscopic motions of a single particle.
It's average kinetic energy.

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Which tiny, round “factory” puts together protein and is often found in the endoplasmic reticulum?A.
chromosome

B.
chloroplast

C.
Golgi body

D.
ribosome

Answers

In the cytoplasm, ribsomal RNA (rRNA), a type of RNA, andprotein combine to form a nucleoprotein called a ribosome. The ribosomeserves as the site and carries the enzymes necessary for proteinsynthesis. They are often takes the shape of small round particlesattached in the endoplasmic reticulum. The ribosome attaches itself to m-RNAand provides the stabilizing structure to hold all substances in position asthe protein is synthesized. Several ribosomes may be attached to a single RNAat any time.

i believe that the answer is B , chloroplast. you can work out the problem any other wat too.

i hope this helps

Estion 2
Where are the non-metals on the periodic table?

Answers

Answer: nonmetals are located on the upper right

Explanation:

Which pair will react with each other?sodium bromide and chlorine
sodium bromide and iodine
sodium chloride and bromine
sodium chloride and iodine

Answers

Sodium bromide and iodine

What is frezzing pointvof light

Answers

Answer:

Depends from where the light is

Explanation:

If it is in the north pole than it will be 0°C

Answer:

You cannot freeze light.

Explanation:

Only some scientists have been able to freeze light. But, they have only been able to freeze light for about 1 minute.

What is the formula for calcium iodine

Answers

Calcium has a charge of 2+ and iodine has a charge of 1-. Use the criss cross method and criss cross the charges and write them as subscripts. The formula is CaI2.

The formula for this would be Cal2

:3 Hope I Helped!

if you make a solution by dissolving 1.0 mol of Fecl3 into 1 kg of water how would the osmotic pressure of this solution compare with the osmotic pressure of a solution that is made from 1.0 mol of glucose in 1 kg of water

Answers

Explanation:

Osmotic pressure is defined as the minimum pressure which has to applied on the solution to prevent the entry of the solvent in the solution through a semi-permeable membrane.

It is a type of colligative property which means it depends on the amount of the solution. More the amount, more will be the osmotic pressure.

Mathematically,

$\pi =icRT$

$\pi$ = Osmotic pressure

i = Vant's Hoff factor which is 1 for non-electrolyte solutions

c = Concentration of solution

R = Solution constant

T = temperature

For $FeCl_3$

As Ferric chloride is an electrolyte, so it will completely dissociate into its ions.

1 mole of ferric chloride will dissociate into 1 $Fe^(3+)$ ion and 3 $Cl^-$ ions.

$FeCl_3\rightarrow Fe^(3+)+3Cl^-$

Here, value of i = 4

For Glucose

Glucose is a non-electrolyte and hence will not dissociate into the respective ions. So, value of i = 1

Osmotic pressure will be high for high value of 'i'. Therefore, osmotic pressure of $FeCl_3$ will be high as compared to the glucose in same amount of water.

The osmotic pressure is greater in the FeCl3 solution. The FeCl3 is an ionic compound, so it dissociates into Fe3+ and 3Cl-, creating 4 overall particles, while the glucose remains as 1 particle. The water increases in the FeCl3 to compensate for that added particle concentration.

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