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2 years ago

According to Le Chatelier’s principle, what always happens to the equilibrium of a reaction when the temperature is reduced?

2 answers:

5 0

It always shift to the direction where balance out the reaction
here
It shifts in the exothermic direction.

klemol [59]2 years ago

5 0

Answer: The correct option is C.

Explanation: Le-Chatelier's principle is a principle in which the equilibrium adjusts itself whenever there is a change in the equilibrium conditions (pressure, temperature and concentration).

When reaction is an exothermic reaction, it means that the heat is released (increase in temperature) and when it is an endothermic reaction, it means that the heat is being absorbed (decrease in temperature).

So, in a reaction, when the temperature is reduced, the equilibrium reaction will shift in the direction where there is an increase in temperature, which is the exothermic reaction.

Hence, the correct option is C.

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If E=mc^2,solve for both m and c. Also, if m=80 and c=0.40 what is the value of E?

Pie

Answer:

$m = \frac{E}{c^2}$

$c = \sqrt{\frac{E}{m} }$

$E = 12.8 J$

Explanation:

Part 1: Solving for m

We are given that:

E = mc²

To solve for m, we will need to isolate the m on one side of the equation

This means that we will simply divide both sides by c²

$m = \frac{E}{c^2}$

Part 2: Solving for c

We are given that:

E = mc²

To solve for c, we will need to isolate the m on one side of the equation

This means that first we will divide both sides by m and then take square root for both sides to get the value of c

$c^2 = \frac{E}{m}\\ \\ c=\sqrt{\frac{E}{m}}$

Part 3: Solving for E

We are given that:

m = 80 and c = 0.4

To get the value of E, we will simply substitute in the given equation:

E = mc²

E = (80) × (0.4)²

E = 12.8 J

Hope this helps :)

4 0

3 years ago

find the molecular formula of the alkane represented in the mass spectrum. a mass spectrum. the peak at mass 100 has an 8% relat

STatiana [176]

Answer: the molecular altatude of the supercalifragilistic gene should expand by 100%,

Explanation:

8 0

7 months ago

When there is unequal sharing between two atoms of the electrons in a bond, which type of bond is it?

dexar [7]

Polar covalent, it is what happens when there is unequal bond between two atoms, where one has a slightly negative charge and one has a slightly positive charge.

3 0

3 years ago

Read 2 more answers

a titration of 25.0mL of an x M hcl solution with 0.15M NaOH starts at a burette reading for NaOH of 0.20mL . Thr burette readin

VARVARA [1.3K]

Burette is a very accurate measuring instrument when adding solutions and has a measurement error of 0.05 mL.
Small volumes of solutions can be transferred from the burette at a controllable rate.
In this instance NaOH is in the burette.
Initial reading of NaOH is 0.20 mL
end point is the point at which the chemical reaction reaches completion. In acid base reactions, end point is when all the H⁺ ions have reacted with OH⁻ ions.
final reading of NaOH is 24.10 mL
to find the volume of NaOH dispensed we have to find the difference between final reading and initial reading
volume of NaOH added = 24.10 mL - 0.20 mL = 23.90 mL
volume of NaOH dispensed is 23.90 mL

6 0

3 years ago

A characteristic of every organic compound is

Hoochie [10]

I think the answer is D not too sure tho

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2 years ago