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2 years ago

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The diagram below represent the rock cycle

1 answer:

hoa [83]2 years ago

8 0

Answer:

D. Weathering and erosion

Explanation:

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A rock falls from a ledge to the ground. What energy conversion occurs

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Answer:

Explanation:

Potential energy is converted into kinetic energy. I am 100% positive.

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A salt solution with a volume of 250 mL that contains 0.70 mol NaCl.

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the sublevel that has the largest number of differently shaped orbitals is the f sublevel. True False

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3 years ago

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For the reaction 2A(g) â B(g), the equilibrium constant is Kp = 0.76. A reaction mixture initially contains 4.0 atm of gas (PA =

timofeeve [1]

Answer: (a) The reaction mixture will proceed toward products.

Explanation:

Equilibrium constant is defined as the ratio of pressure of products to the pressure of reactants each raised to the power their stoichiometric ratios. It is expressed as $K_p$

K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.

For the given chemical reaction:

$2A(g)\rightleftharpoons B(g)$

The expression for $Q_p$ is written as:

$Q_p=\frac{p_B}{(p_A)^2}$

$Q_p=\frac{(2.0)}{(2.0)^2}$

$Q_p=0.5$

$K_p=0.76$

Thus as $K_p>Q_p$ , the reaction will shift towards the right i.e. towards the product side.

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3 years ago