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3 years ago

ITS TALKING ABOUT PHOTOSYNTHESIS

Chemistry

1 answer:

Xelga [282]3 years ago

8 0

The circulatory system

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Is Co or a Cobalt ion bigger

alexira [117]

Answer:

co is colbalt

Explanation:

Cobalt

Cobalt is a chemical element with symbol Co and atomic number 27.

7 0

3 years ago

Plz help, I will give brainliest.

baherus [9]

Answer: The value of $K_c$ is 2

Explanation:

Moles of $N_2O_4$ = 1.0 mole

Volume of solution = 1.00 L

Initial concentration of $N_2O_4$ = $\frac{1.0mol}{1.00L}=1.0M$

Equilibrium concentration of $NO_2$ = $\frac{1.0mol}{1.00L}=1.0M$

The given balanced equilibrium reaction is,

$N_2O_4(g)\rightleftharpoons 2NO_2(g)$

Initial conc. 1.0 M 0 M

At eqm. conc. (1.0-x) M (2x) M

The expression for equilibrium constant for this reaction will be,

$K_c=\frac{[NO_2]^2}{[N_2O_4]}$

Given : 2x = 1.0

x= 0.5

Now put all the given values in this expression, we get :

$K_c=\frac{(1.0)^2}{(1.0-0.5)}$

$K_c=2$

Thus the value of $K_c$ is 2

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3 years ago

Electron configuration for Lithium.

Ira Lisetskai [31]

The answer to problem is [He] 2s1. Hope it helps

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4 years ago

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Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average a

Ivan

The most abundant carbon isotope is carbon-12.

The relative atomic mass of carbon is 12.011, which is extremely close to 12.0. This means that the masses C-13, and C-14 are practically negligible when contributing to the relative atomic mass of carbon.

the C-12 isotope makes up 98.9% of carbon atoms, C-13 makes up 1.1% of carbon atoms, and C-14 makes up just a trace of carbon atoms as they are found in nature.

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3 years ago

I NEED HELP PLEASE ASAP!! :)<br><br> How many molecules are represented by 3CO2?

andriy [413]

9. 3 Carbon and 6 Oxygen

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3 years ago

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