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IRINA_888 [86]
3 years ago
14

In 1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery.

Chemistry
1 answer:
Sedaia [141]3 years ago
5 0

Answer:

Explanation:

1 mole of Fe require 2 Moles of NiO(OH)

so for 4.25 mol of Fe and 6.70 mol of NiO(OH), Fe is the limiting reagent.

1 mole produces 1 mole of Fe(OH)2

4.25 moles will produce 4.25 moles of Fe(OH)2

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Select the correct answer. Which of these elements is a transition metal?
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I don't see the options for an answer, so here is a list of all of the transition metals lol

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  • <em>Cadmium</em>
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8 0
2 years ago
When a substance gains or loses energy, it’s _____ changes, or its _____ chafes. Theses two changes do ___happen at the time ; t
Veseljchak [2.6K]

Answer:

When a substance gains or loses energy, its <u>temperature</u> or <u>state</u> changes. These two changes do <u>not</u> happen with respect to time; the temperature remains <u>the same</u> until the change of <u>state</u> is complete.

Explanation:

This statement is about energy and change of the state of the matter. By gaining or losing energy, the physical state of the matter can change into one another. Melting, freezing, condensation, evaporation, sublimation, and deposition are the processes that support to change the physical state of the matter. Change in state and change in the matter do not happen at the same time. A substance gains or loses energy to reach a specific temperature and remains constant until the physical change of matter is completed.

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3 years ago
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What is ph? And explain where it can be used
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PH is a measure of hydrogen(colorless, odorless) concentration of solutions. Ph is in solutions for an example like spray to clean the kitchen counter or table.These things have color and are odorless after a while.
4 0
3 years ago
for the reactants represented by the equation 2H2 + O2 &gt; 2H2O, how many grams of water are produced from 376.97 mol of hydrog
Hunter-Best [27]

Answer:

6792.1 g

Explanation:

Dimensional analysis:

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6792.1 g

8 0
3 years ago
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