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Bess [88]
4 years ago
5

How do wheels reduce the force of friction

Chemistry
1 answer:
Yakvenalex [24]4 years ago
6 0

Hey i am trying to get points so i don't really know

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Iron(III) oxide reacts with carbon monoxide according to the equation: Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g) A reaction mixture initial
Bad White [126]

Answer:

mass of excessive CO = 2.55 gram

Explanation:

Fe2O3(s)+3CO(g)→2Fe(s)+3CO2(g)

moles of Fe2O3 = mass / formula mass = 22.00/(56x2+16x3)=0.1375 (mol)

moles of CO = mass / formula mass = 14.1/(16+12) = 0.503

Fe2O3 reacts completely meanwhile CO is excessive.

mass of CO reacts = 3 x nFe2O3 x M = 3 x 0.1375 x (16+12) = 11.55 gram

mass of excessive CO = initial mass - reacted mass = 14.1 - 11.55 = 2.55 gram

4 0
3 years ago
Which of the following is primarily responsible for the high surface tension of water molecules?
alekssr [168]
The answer is B. Hydrogen Bonds
3 0
3 years ago
Read 2 more answers
Plzzzzzz help me Write electronic configuratof sodium and chlorine in the term of subshell ?
nalin [4]

Ok Thank u for the information

5 0
3 years ago
Read 2 more answers
5. You have two sealed jars of water at the same temperature. In the first jar there is a large amount of water. In the second j
Aneli [31]
The vapor pressure of the two jars are the same.

The volume of water inside the container does not change the vapor pressure.

As long as the liquid remains being water and the temperature does not change the vapor pressure will be the same. The vapor pressure depends only in the nature of the substance and the temperature of the system.
If you want to know more about this, i.e. why, here you have additional explanation:

The vapor pressure is the pressure of the vapor of a substance in equilibrium with the substance in liquid (or solid state) and it is due to the fact that some molecules in the liquid (or solid), those that are close to the surface of liquid in contact with the gas phase and that have enough kinetic energy, evaporate.

At equilibrium the number of molecules passing from the liquid state to the gas state is equal to the number of molecules that pass from the gas state to the liquid state.  If the volume of liquid is increased or decreased, as long as the temperaature of the system remains constant the equilibrium is reached again with the same vapor pressure.


5 0
3 years ago
In the EXPLORE section of your lesson 4.08 on Potential energy there were several animations to watch that provided a graphic il
Lunna [17]

Answer:

This is because no energy is being created or destroyed in this system

Explanation:

I think this is correct? I hope it helps.        

7 0
3 years ago
Read 2 more answers
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