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Bad White [126]
4 years ago
9

Give two examples of chemical energy being transformed into electrical energy

Chemistry
1 answer:
Likurg_2 [28]4 years ago
4 0
Battery chemicals being turned to electricity
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Given the equation: rate = k[H2O2]m[I-]n Which of the following statements is (are) true about the orders, m and n? A. m and n a
kramer

Answer:

A. m and n are independent from the molar coefficients of the reactants in the balanced chemical equation.

B. m and n must be determined by experiment.

Explanation:

rate = k[H2O2]^m × [I-]^n

The Order of Reaction refers to the power dependence of the rate on the concentration of each reactant.

Either the differential rate law or the integrated rate law can be used to determine the reaction order of reactants from experimental data.

6 0
4 years ago
Cuales son los símbolos para representar que una reacción se produce en presencia de;
ycow [4]

Answer:

b

Explanation:

3 0
3 years ago
Explain why diamonds are useful for electrodes in batteries
umka21 [38]

Answer:

Diamonds have a broader potential window of 3 to 5 volts.

Explanation:

The minimum voltage required for electrolysis is called potential window. Electrodes such as titanium electrodes and those made of noble metals have a potential window of about 2 volts. Diamond has a potential window of 3 to 5 volts that makes it preferentially start a redox reaction of a substance that is difficult to electrolyze. This facilitates electrolysis of substance that were difficult to decompose in normal electrochemical systems.

8 0
4 years ago
How mu heat energy, in joules, is absorbed when 150 grams of water is warmed from 38.8°c to 96.3°c?
Likurg_2 [28]
Use this equation:

q = mc∆T

q is the heat energy your trying to find out

m is the mass of water (150g)

c is the specific heat capacity of water (4.18)

∆T is the temperature change (96.3-38.8)

so just multiply m c and ∆T to find q in joules
7 0
4 years ago
Which describes the slope of the graph from 10 s to 30 s?
inna [77]

Answer:

3

Explanation:

Use the rise over run method. plot the necessary points first in the x and y axis

6 0
3 years ago
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