3 years ago

What did Ernest Rutherford s gold foil experiment demonstrate about atoms?

Chemistry

1 answer:

Ghella [55]3 years ago

5 0

-Positively charged nucleus
-Empty spaced
-Dense core

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If a gas occupies a volume of 6.6 L at 16.0 °C, at what temperature, in °C, will it occupy a volume of 8.9 L if the pressure rem

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Explanation:

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2 years ago

3. A student carries out the clay-catalyzed dehydration of cyclohexanol starting with 10 moles of cyclohexanol and obtains 500 m

IrinaK [193]

Answer:

$49.45~%$

Explanation:

In this case, we have to start with the chemical reaction:

$C_6H_1_2O~->~C_6H_1_0~+~H_2O$

So, if we start with 10 mol of cyclohexanol ( $C_6H_1_2O$ ) we will obtain 10 mol of cyclohexanol ( $C_6H_1_0$ ). So, we can calculate the grams of cyclohexanol if we calculate the molar mass:

$(6*12)+(10*1)=82~g/mol$

With this value we can calculate the grams:

$10~mol~C_6H_1_0\frac{82~g~C_6H_1_0}{1~mol~C_6H_1_0}=820~g~C_6H_1_0$

Now, we have as a product 500 mL of $C_6H_1_0$ . If we use the density value (0.811 g/mL). We can calculate the grams of product:

$500~mL\frac{0.811~g}{1~mL}=405.5~g$

Finally, with these values we can calculate the yield:

$%~=~\frac{405.5}{820}x100~=~49.45%$ %= (405.5/820)*100 = 49.45 %

See figure 1

I hope it helps!

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3 years ago

What season does the sourtther hempishere experience when it is away from the sun?

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I believe Winter is your answer.

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Jonah and Rachel volunteer at the recycling center sorting and organizing recyclable objects. Jonah is sorting aluminum cans and

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A change in form or appearance of matter

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2 years ago

One difference between mixtures and pure substances is that A) mixtures can be physically separated. B) mixtures are made of one

Alborosie

The answer your looking for is a)
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3 years ago

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