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3 years ago

34. Many bicycles have generators that have a light that can be powered without a battery.

Chemistry

1 answer:

Andrew [12]3 years ago

8 0

A the magnet needs to be in motion

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The equilibrium constant, Kp, has a value of 6.5 × 104 at 308 K for the reaction of nitrogen monoxide with chlorine. 2NO(g) + C

Juliette [100K]

<u>Answer:</u> The $K_c$ for the given reaction is $2.67\times 10^{-2}$

<u>Explanation:</u>

For the given chemical equation:

$2NO(g)+Cl_2\rightleftharpoons 2NOCl(g)$

Relation of $K_p\text{ with }K_c$ is given by the formula:

$K_p=K_c(RT)^{\Delta n_g}$

where,

$K_p$ = equilibrium constant in terms of partial pressure = $6.5\times 10^{-4}$

$K_c$ = equilibrium constant in terms of concentration = ?

R = Gas constant = $0.0821\text{ L atm }mol^{-1}K^{-1}$

T = temperature = 308 K

$\Delta n_g$ = change in number of moles of gas particles $n_{products}-n_{reactants}=2-3=-1$

Putting values in above equation, we get:

$6.5\times 10^{-4}=K_c\times (0.0821\times 500)^{-1}\\\\K_c=\frac{6.5\times 10^{-4}}{(0.0821\times 500)^{-1})}=2.67\times 10^{-2}$

Hence, the $K_c$ for the given reaction is $2.67\times 10^{-2}$

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3 years ago

What do you notice about how plants get their energy in a DESERT ECOSYSTEM?

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Desert plants work hard to make use of what's available. They use the sun's energy to convert carbon dioxide (CO2) and water (H2O) into sugar, a process called photosynthesis. During this process, stomata on a plant's leaves and stems open to absorb carbon dioxide from the air and in return release oxygen. :)

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3 years ago

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A car mechanic had a sealed bucket containing a substance in the gas phase. She left the bucket outside over the weekend. When s

motikmotik

A phase change from Gas to liquid means that it was cold outside and so the molecules went from being very free moving to forming bonds with one another due to the cold.

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lianna [129]

Cells can generate from non living matter is the answer

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3 years ago

A chemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. The chemical reaction that occurred is show

pantera1 [17]

(On my left) (On my right side)
Na: 1. Na:1
Cl:2. Cl:1

Na:1 x 2 =2
Na:1 x 2=2
Cl: 1 x 2 = 2

Answer:
2Na + Cl2 -> 2NaCl

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3 years ago