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musickatia [10]
2 years ago
10

C is the element symbol for which element?a. Carbonb. Cadmiumc. Celeniumd. Chlorine​

Chemistry
2 answers:
amm18122 years ago
8 0

Answer:

A) carbon

Explanation:

carbon or simply c has an atomic number of 6 and it has an atomic mass of 12.01 amu. it belongs to group 4a

il63 [147K]2 years ago
6 0

Answer:

A) Carbon

Explanation:

the others are wrong its A

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Consider the equilibrium reaction. 2 A + B − ⇀ ↽ − 4 C After multiplying the reaction by a factor of 2, what is the new equilibr
vredina [299]

Answer : The correct expression for equilibrium constant will be:

K_c=\frac{[C]^8}{[A]^4[B]^2}

Explanation :

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium expression for the reaction is determined by multiplying the concentrations of products and divided by the concentrations of the reactants and each concentration is raised to the power that is equal to the coefficient in the balanced reaction.

As we know that the concentrations of pure solids and liquids are constant that is they do not change. Thus, they are not included in the equilibrium expression.

The given equilibrium reaction is,

4A+2B\rightleftharpoons 8C

The expression of K_c will be,

K_c=\frac{[C]^8}{[A]^4[B]^2}

Therefore, the correct expression for equilibrium constant will be, K_c=\frac{[C]^8}{[A]^4[B]^2}

4 0
3 years ago
B. Bromine melts at -7.2°C. What is<br> bromine's melting point in kelvins?
Mars2501 [29]

Answer: 265.95 kelvins

Explanation:

Looked it up on google

8 0
3 years ago
What changes if the degree (amount) of intermolecular bonds of a substance are changed?
elixir [45]
<h2>Answer:</h2>

The correct answers are;

volume of a substance

density of a substance

  • The volume and the density of the substance depend on inter molecular forces of the substance. So, when we will change the degree of inter molecular forces, whether decrease it or increase it, it will affect the volume and density of a substance.
7 0
3 years ago
Read 2 more answers
Please help! <br> Fe2O3 + C → CO + Fe
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Fe2O3 + 3C → 2Fe + 3CO :)
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How many moles are present in 16.9 g of Al2O3?
Dahasolnce [82]
<span>The number of moles in Al2O3 is .16575 moles</span>
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3 years ago
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