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3 years ago

If 18.5 grams of CuCl2 react with 22.8 grams of NaNO3, what mass of NaCl can be formed?

Chemistry

1 answer:

Zarrin [17]3 years ago

4 0

Answer:

From above calculations, gives the limited amount of NaCl. So, 15.7 g of NaCl would form from given amounts of reactants.

Explanation:

thank me later

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Matter is anything that takes up space and hasA)mass.B)color.C)length.D)length and width

Marta_Voda [28]

Answer:

A. Mass

Explanation:

If it takes up space it has to have mass. Not everything that is matter has a color, certain length or width.

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3 years ago

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Choose the nonmetallic elements from the list. Check all that apply yttrium: oxygen: boron: polonium: argon: gallium: carbon:

BaLLatris [955]

Answer:

B, E, & G

Oxygen, Argon, & Carbon

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3 years ago

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Summarize the relationship between an electron's energy level and its location in an atom

FromTheMoon [43]

Answer:

The further an electron is from the nucleus. the greater its energy level.

Explanation:

When an electron is close to the nucleus, it is at as low an energy level as it can get.

We must put energy into an electron to pull it away from the attraction of a nucleus.

So, electrons that are further from the nucleus are at higher energy levels.

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4 years ago

4. A student started with a 0.032 g sample of copper which he took through the series of reactions described in this experiment.

Elodia [21]

Answer:

$Y=48.6\%$

Explanation:

Hello,

In this case, we can consider the following chemical reaction for the oxidation of copper which only occurs at high temperatures:

$2Cu+O_2\rightarrow 2CuO$

In such a way, for 0.032 grams of copper, the following grams of copper (II) oxide (black product) are yielded:

$m_{CuO}=0.032gCu*\frac{1molCu}{63.546gCu} *\frac{2molCuO}{2molCu}*\frac{79.546gCuO}{1molCuO} =0.078gCuO$

Therefore, the percent yield is:

$Y=\frac{0.038g}{0.078g}*100\%\\ \\Y=48.6\%$

Best regards.

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3 years ago

A solute that has been dissolved in a solvent ________.

grigory [225]

Answer:

a solution: for example when sugar is dissolved in water it becomes a sugar solution

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2 years ago