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baherus [9]
3 years ago
11

Voltalc cells produce a positive overall charge. What does this indicate?

Chemistry
2 answers:
PtichkaEL [24]3 years ago
8 0

Answer:

B. The reaction is spontaneous.

Explanation:

Edmentum

Harman [31]3 years ago
7 0

Answer:

The reaction is spontaneous.

Explanation:

If voltaic cell show positive charge it means reaction is spontaneous taking by itself.

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Your mom is the answer

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How much would a 10 kg suitcase weigh on the surface of…? a. The Moon b. Mars c. Saturn d. Pluto
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Is this the full question

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2 years ago
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4 years ago
Read 2 more answers
A 50.00 g sample of an unknown metal is heated to 45.00°C. It is then placed in a coffee-cup calorimeter filled with water. The
True [87]
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Q = 250 * 1.035 * (11.08 - 10)
Q = 279.45 cal/g

Next, we use the same formula for the metal as the heat absorbed by the calorimeter is equal to the heal released by the metal.

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6 0
3 years ago
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A first-order decomposition reaction has a rate constant of 0.00440 yr−1. How long does it take for [reactant] to reach 12.5% of
mina [271]

Answer:

473 year

Explanation:

Using integrated rate law for first order kinetics as:

[A_t]=[A_0]e^{-kt}

Where,  

[A_t] is the concentration at time t

[A_0] is the initial concentration

Given:

To reach 12.5% of reactant means that 0.125 of [A_0] is decomposed. So,

\frac {[A_t]}{[A_0]} = 0.125

t = ?

\frac {[A_t]}{[A_0]}=e^{-k\times t}

0.125=e^{-0.00440\times t}

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8 0
3 years ago
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