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ollegr [7]
3 years ago
12

Variable that stays the same

Chemistry
1 answer:
Evgesh-ka [11]3 years ago
7 0
Control variable mi amigo
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Number of stable isotopes in Hydrogen?
kari74 [83]
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protium (A = 1), deuterium (A = 2), and tritium (A = 3).
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The reaction below is at dynamic equilibrium. Upper N subscript 2 (g) plus 3 upper H subscript 2 (g) double-headed arrow 2 upper
Len [333]

For the reaction below at dynamic equilibrium, it is true that the rate of the forward reaction equals the rate of the reverse reaction.

Let's consider the following reaction at equilibrium.

N₂(g) + 3 H₂(g) = 2 NH₃(g)

<h3>What is the chemical equilibrium?</h3>

Is a state in which the concentrations of reactants and products are constant and the forward reaction rate and constant reaction rate are equal.

<h3>What is the equilibrium constant?</h3>

The equilibrium constant (K) is the ratio of the concentrations of the products to the concentrations of the reactants, all raised to their stoichiometric coefficients.

Let's consider which statement is true for the equilibrium system.

  • The concentration of NH₃ is greater than the concentration of N₂. FALSE. There is not enough information to confirm this, we would need to know the value of K.
  • The concentration of NH₃ equals the concentration of N₂. FALSE. There is not enough information to confirm this, we would need to know the value of K.
  • The rate of the forward reaction equals the rate of the reverse reaction. TRUE. This is always true for a reaction at equilibrium.
  • The rate of the forward reaction is greater than the rate of the reverse reaction. FALSE. At equilibrium, both rates are equal.

For the reaction below at dynamic equilibrium, it is true that the rate of the forward reaction equals the rate of the reverse reaction.

Learn more about chemical equilibrium here: brainly.com/question/5081082

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3 years ago
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A watershed is the area of land where all of the water drains off and eventually combines at a central point. As water runs off
Ivanshal [37]

Answer:

The answer is C (or 3 in this case)

Explanation:

I took the test and got it correct and the explanation is that the watershed will flow into more water which spreads that pollution and as it flows could pick up more pollution.

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Assume that the batteries in a flashlight are rechargeable. What energy conversion would have to take place in order to recharge
zaharov [31]

Electrical to chemical energy

Explanation:

If the batteries in a flashlight are rechargeable, the energy conversion that would take place to recharge the battery is from electrical to chemical energy.

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  • This is a typical energy conversion from chemical to electrical energy.
  • When such batteries are to be recharged, the revere process is followed.
  • Electrical energy are used to drive chemical reactions.
  • This in turn makes the battery recharged and on its own, it can further chemical reactions to produce electrical energy.
  • During charging, the potential of the battery increases.

learn more:

Electrochemical reactions brainly.com/question/12174850

#learnwithBrainly

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Calculate the given mass in 0.5 mol. Of CH4 <br><br>​
xz_007 [3.2K]

Answer:

8 grams

Explanation:

The molar mass of CH4 is about 16 grams per mol.  So you get the answer by mutlitplying 0.5 by 16, (cancel out moles by placing 1 on the bottom of the fraction).

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