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3 years ago

What best describes the battery in this picture? an electrolytic cell that has spontaneous half reactions

Chemistry

2 answers:

monitta3 years ago

5 0

ok im not full sure man but i would say multiple voltaic cells that have spontaneous half reactions

im sorry hope it helps

nika2105 [10]3 years ago

3 0

Answer:

multiple voltaic cells that have spontaneous half reactions

Explanation:

A battery is an electrochemical device that stores energy. This is connected to an electrical circuit, and chemical energy is transformed into electrical energy. All are similar in construction, each of these cells is composed of a positive and a negative electrode in addition to a separator. When the battery is discharged, an electrochemical change occurs between the different materials in the two electrodes. The electrons are transported between the positive and negative electrodes through an external circuit (light bulbs, starter motors, etc.)

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How many atoms are in 1.22 moles of magnesium?

WITCHER [35]

Answer:

7.34684 × 10^23 atoms

Explanation:

Well, one mole is basically

6.022 × 10^23 atoms. So 1.22 moles would be

6.022 × 10^23 ⋅ 1.22 atoms.

6.022 × 10^23 ⋅ 1.22 = 7.34684 × 10^23 atoms

7 0

3 years ago

Read 2 more answers

Identify the gas law that applies to the following scenario: A 36.5 liter balloon holding 2.9 moles of carbon dioxide leaks. If

jarptica [38.1K]

Answer:

Avogadro's Law; 15.1L

Explanation:

Boyle's Law- Pressure and volume are inversely related, so an increase in pressure= decrease in volume. We see this in the equation P1V1=P2V2.

Charle's Law- Gas expands/increases in volume when temperature increases, so they are proportional. We see this in the formula $\frac{V1}{T1} = \frac{V2}{T2}$ .

Guy-Lussac's Law- As temperature increases, pressure increases, so they are proportional. We see this in the formula $\frac{P1}{T1} = \frac{P2}{T2}$ .

Avogadro's Law- There are equal amount of volume have an equal amount of moles, so they are proportional. We see this in the formula $\frac{V1}{n1} = \frac{V2}{n2}$ .

Plugging in the values based on Avogadro's Law, we'll have:

$\frac{36.5}{2.9} = \frac{V2}{1.2}$

12.6 = $\frac{V2}{1.2}$

12.6 x 1.2 = V2

15.1L =V2

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3 years ago

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Answer:

11. F

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2 years ago

The molar mass of magnesium (Mg) is 24.30 g/mol. There are 6.02 x 10^23 atoms in 1 mol. How many atoms are present in 48.60 g of

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Atoms of Mg = mol * L

mol of Mg = $\frac{MASS}{MOLAR MASS}$

= $\frac{48.60 g}{24.30 g / mol}$

= 2 mol

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= 1.204 x 10²⁴

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katrin [286]

Hi , the answer is solar panels .

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