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Ber [7]
3 years ago
7

When energy is transferred to ocean water from the moving air above it , what happens to most of the energy.

Chemistry
2 answers:
Elden [556K]3 years ago
7 0
The answer is C.
Heat moves from warmer objects to cooler ones until they reach the same temperature. The ocean also absorbs and stores the energy from the sun, and when it rains it releases it into the atmosphere.
never [62]3 years ago
6 0
<span>C.it moves through the water 

</span>
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They are similar because both of them slow things down.
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A scientist studies the DNA of three different species. The DNA from species A is more similar to DNA from species B than DNA fr
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5 0
3 years ago
In an aqueous chloride solution cobalt(ii) exists in equilibrium with the complex ion cocl42-. co2 (aq) is pink and cocl42-(aq)
liraira [26]

First you should know that the Principle of Le Chatelier states that <u>if a system in equilibrium is subjected to a change of conditions, it will move to a new position in order to counteract the effect that disturbed it and recover the state of equilibrium.</u>

The variation of one or several of the following factors can alter the equilibrium condition in a chemical reaction:

  • Temperature
  • The pressure
  • The volume
  • The concentration of reactants or products

1. This reaction is: <u>a. exothermic</u>

The chemical equilibrium at issue is:

CoCl₄²⁻  ⇄   Co²⁺ + 4Cl⁻ + heat

<em>blue</em>            <em>pink</em>

The reaction of the question is <u>exothermic</u> because when adding heat (at high temperature) the equilibrium moves to the left since the blue color is strong which means that there are more reagent (CoCl₄²⁻) that product (Co²⁺). On the other hand, when extracting heat from the system (at low temperature) the equilibrium moves to the right since the pink color predominates and more product is present in the solution.

2. When the temperature is decreased the equilibrium constant, k: <u>c. remains the same.</u>

As mentioned above, <u>a system in equilibrium that is disturbed will move to a new position in order to counteract the effect that disturbed it and recover the state of equilibrium. </u>In this way, the system will always remain in equilibrium and its equilibrium constant will remain constant. This is why, despite altering the temperature of the system, the equilibrium constant remains constant.

3. When the temperature is decreased the equilibrium concentration of Co²⁺:  <u>a. increases</u>

Again, the chemical equilibrium at issue is:

CoCl₄²⁻  ⇄   Co²⁺ + 4Cl⁻ + heat

As the reaction in question is exothermic when the temperature decreases, heat is extracted from the system. <u>To compensate this decrease in heat, the system will react by shifting the balance to the right, increasing the concentration of the products and, therefore, the concentration of Co²⁺.</u>

5 0
3 years ago
Can you help me balance the equations from 1-10 please and thank you.
Korolek [52]

Answer:

  1. 2 NaBr + Ca(OH)2 → CaBr2 + 2NaOH
  2. 2 NH3 +H2SO4 → (NH4)2(SO4)
8 0
2 years ago
If a sample contains 21.2g N how many moles of N does it contain
tigry1 [53]

Hey there!

The molar mass of nitrogen is 14.007.

Convert grams to moles:

21.2 ÷ 14.007 = 1.51

The sample containing 21.2g of nitrogen contains 1.51 moles of nitrogen.

Hope this helps!

8 0
3 years ago
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