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3 years ago

What type of energy does the

Chemistry

1 answer:

geniusboy [140]3 years ago

7 0

Answer:

Thermal

Explanation:

I think im not quite sure but since thermal is basically heat energy, I assume it would be thermal energy

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A 1.200 liter solution contains 35.0 grams of potassium iodide (KI). What is the molarity of this

enot [183]

Answer:

M = 0.177

Explanation:

First, we have to find the molar mass of potassium iodine (KI).

K = 39.098

I = 126.904

Now, add these values together to get the molar mass of KI

39.098 + 126.904 = 166.0028

Now, it's time to do a grams to moles conversion.

35.0 g KI * $\frac{1 mol KI}{166.0028 g KI}$ = $\frac{35.0}{166.0028}$ = 0.212 mol KI

Now, we can find the molarity of this solution.

Molarity (M) = $\frac{mol}{L}$

M = $\frac{0.212 mol KI}{1.200 L}$ = 0.177 M

The molarity (M) of this solution is 0.177.

3 0

3 years ago

What can you make with molecules

bagirrra123 [75]

Answer:

H20

Explanation:

H20, is water and this is an example of a molecule. Molecules are "atoms bonded together." And hydrogen and oxygen are bonded making it a molecule.

6 0

3 years ago

What mass of oxygen (O2) forms in a reaction that forms 15.90 g C6H12O6?

Genrish500 [490]

To answer this question, you need to know the chemical equation for making glucose. It should be look like this

C6H12O6<span>(s) + 6O2(g) -->6CO2(g) + 6H2O(g)

In the equation, the amount of glucose (</span>C6H12O6) is 1 and the amount of oxygen(O2) is 6. But the equation ratio is using moles as a unit. A mole of glucose will weight 180g but a mole of oxygen weight 32g.

Then, the amount of oxygen forms would be: 6/1 * (15.90g/180g) * 32g= 16.96 grams

4 0

4 years ago

Read 2 more answers

76.0 mol of P4O10 contains how many moles of P?

NikAS [45]

For a mole of P4O10, there are 4 moles of P. Hence for 76 moles of P4O10, the number of P moles is a total of 304.

8 0

3 years ago

Read 2 more answers

Iron reacts slowly with oxygen and water to form a compound commonly called rust (Fe₂O₃?4H₂O). For 45.2 kg of rust, calculate

Mashcka [7]

Rust (Fe2O3. 4H2O) is formed when iron interacts slowly with oxygen and water. Mass of Fe in grams is 2.18 x 10⁴ g.

<h3>What is the explanation?</h3>

There are 2 moles of Fe atoms in 1 mole of Fe2O3-4H2O. The number of moles of Fe atoms in 45.2 kg rust is shown below.

Moles of Fe = 195.01 mol Fe₂O₃.4H₂O ( $\frac{2 mol Fe }{1 mol Fe₂O₃.4H₂O}$ )

Moles of Fe = 390.02 mol Fe

Multiply the calculated number of moles of iron, Fe, by its molar mass which is 55.85 $\frac{g}{mol}$

Mass of Fe = 390.02 mol Fe ( $\frac{55.85 g Fe}{mol Fe}$ )

Mass of Fe = 2.18 x 10⁴ g Fe

Avogadro's number (6.022 x 1023) of molecules (or formula units) make up one mole of a substance (ionic compound). The mass of 1 mole of a chemical is indicated by its molar mass. It provides you with the amount of grams per mole of a substance, to put it another way.

To learn more about moles visit:

brainly.com/question/26416088

#SPJ4

4 0

2 years ago