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storchak [24]
2 years ago
8

What is used to measure the energy in a chemical reaction?

Chemistry
2 answers:
vova2212 [387]2 years ago
5 0

I'm pretty sure it's a calorimeter.

White raven [17]2 years ago
3 0

Answer:

calorimeter

Explanation:

calorimeter

A calorimeter is a device used to measure the amount of heat involved in a chemical or physical process. For example, when an exothermic reaction occurs in solution in a calorimeter, the heat produced by the reaction is absorbed by the solution, which increases its temperature.

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In which of the following cases does the reaction go to farthest to completion ?
Mashcka [7]

Answer:

k=10^{3}

Explanation:

k stand for equilibrium constants in terms of reaction

The higher the value of an equilibrium constant the faster the equilibrium reaction comes to completion.

Consider the example below:

R_{1}\ + R_{2}⇄P_{1}\ + P_{2}

where

The\ equilibrium\ constant\ K = \frac{P_{1}P_{2}}{R_{1}R_{2}}

For a faster reaction the numerator i.e. the right hand side of the equation have to be higher than the left hand side (the denominator). therefore the higher the numerator, the higher the value of the equilibrium constant and the faster the reaction get to completion thus option c is correct.

5 0
2 years ago
What type of reaction is shown below? Check all that apply. 2Mg+O2—> 2MgO
SSSSS [86.1K]

Answer:

Reaction types are :

  • Combination(Mg and O combine)
  • Oxidation (O added to Mg)
  • Exothermic (light and heat released)
7 0
3 years ago
Read 2 more answers
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spayn [35]

Answer:

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Explanation:

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3 0
2 years ago
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Answer the following questions that relate to electrochemical reactions. (a) Under standard conditions at 25˚C, Zn(s) reacts wit
Elanso [62]

Answer:

0.48 V

Explanation:

Zn(s) ------------> Zn^2+(aq) + 2e. Oxidation half equation (-0.76V)

Co^2+(aq) + 2e-----------> Co(s). Reduction half equation (-0.28)

Zn(s) + Co^2+(aq) -------------> Zn^2+(aq) + Co(s) overall redox equation

Zinc is the anode while cobalt is the cathode.

E°cell= E°cathode - E°anode

E°cell= -0.28-(-0.76)= 0.48 V

7 0
3 years ago
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0.0136 g + 2.70 × 10-4 g - 4.21 × 10-3 g = ?
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Answer choice is , 2

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2 years ago
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