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leva [86]
3 years ago
12

Write the skeleton equation for the reaction which occurs when a solution of silver nitrate reacts with copper metal to produce

silver metal and copper (II) nitrate: You will need to include the state of each substance
Chemistry
1 answer:
Kitty [74]3 years ago
6 0

Answer:

This reaction can be expressed as a word equation: copper + silver nitrate → silver + copper nitrate You can replace each part of the word equation by a chemical formula: Cu + AgNO3 → Ag + Cu(NO3)2 Looking at both sides of this equation, you can see that it is not balanced.

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B

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The answer is 5 gold token from Chuck E. Cheese
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Emperical formula of carbon dioxide
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CO2 is the emperical formula of carbon dioxide

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a chemist dissolves 0.564 moles of manganese (IV) oxide (MnO2) in water, and adds enough water to make 0.510 L of solution. Calc
ladessa [460]

Answer:

The molarity of the solution is 1.1 \frac{moles}{liter}

Explanation:

Molarity is a measure of the concentration of that substance that is defined as the number of moles of solute divided by the volume of the solution.

The molarity of a solution is calculated by dividing the moles of the solute by the volume of the solution:

molarity=\frac{number of moles of solute}{volume}

Molarity is expressed in units \frac{moles}{liter}

In this case

  • number of moles of solute= 0.564 moles
  • volume= 0.510 L

Replacing:

molarity=\frac{0.564 moles}{0.510 L}

Solving:

molarity= 1.1 \frac{moles}{liter}

<u><em>The molarity of the solution is 1.1 </em></u>\frac{moles}{liter}<u><em></em></u>

4 0
3 years ago
A 0.250 g sample of hydrocarbon (containing only carbon and hydrogen) undergoes complete combustion to produce 0.845 g of CO2 an
melomori [17]

Answer:

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We have to obtain the mass of carbon and hydrogen in CO2 and H2O respectively.

For carbon in CO2;

0.845 * 12/44 = 0.23 g

For hydrogen in H20;

0.173 * 2/18 = 0.019 g

We convert the masses to moles of carbon and hydrogen

For carbon - 0.23/ 12 = 0.019 moles

For hydrogen - 0.019/1 = 0.019 moles

Dividing by 0.019 moles for carbon and hydrogen we have the emperical formula of the compound as CH

5 0
3 years ago
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