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ololo11 [35]
2 years ago
10

Which condition must exist in order for conduction to occur between two substances?

Chemistry
2 answers:
kkurt [141]2 years ago
8 0

Answer:

B. Both substances must be the same temperature.

Explanation:

Sveta_85 [38]2 years ago
6 0

Answer: B

Explanation:

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Which expression could represent the
Elis [28]
There are a couple of ways in which you can express the concentration of a solution, and here they are: gram per liter (g/L), molarity (M), parts per million (ppm.), and percents (%). 
As you can see, only M appears in your answers, which means that the correct option should be (2) 3.5 M.
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An example of a colloid which is composed of a liquid dispersed in a gas would be
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3 years ago
Solutions can only be separated by using distillation not filtration. Why can't a solution be filtered? Explain using the terms
garri49 [273]
<h2>Solutions</h2>

Explanation:

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5 0
3 years ago
The atomic number and the mass number of 18 and 40. Write the information conveyed by this statement.​
VashaNatasha [74]
There are 18 protons and electrons and 22 neutrons in the atom
8 0
3 years ago
Iron and oxygen form rust. How many moles of rust should be produced if 1
kakasveta [241]

Answer:

1.387 moles

Explanation:

Step 1:

The balanced equation for the reaction. This is illustrated below:

4Fe + 3O2 —> 2Fe2O3

Step 2:

Determination of the number of mole of Fe in 155.321g of Fe. This can be achieved by doing the following:

Mass of Fe = 155.321g

Molar Mass of Fe = 56g/mol

Number of mole of Fe =?

Number of mole = Mass/Molar Mass

Number of mole of Fe = 155.321/56

Number of mole of Fe = 2.774 mol

Step 3:

Determination of the number of mole of rust (Fe2O3) produced. This is illustrated below:

From the balanced equation above,

4 moles of Fe produced 2 moles of Fe2O3.

Therefore, 2.774 moles of Fe will produce = (2.774 x 2)/4 = 1.387 moles of Fe2O3.

Therefore, 1.387 moles of rust (Fe2O3) is produced from the reaction

6 0
3 years ago
Read 2 more answers
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