2 years ago

Which element is rolled into a foil and used in your kitchen?

Chemistry

1 answer:

Doss [256]2 years ago

8 0

Aluminum is the correct answer

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Is there more than one possible model that could be inferred from Rutherford’s data?

tankabanditka [31]

Answer:

your missing the rest?

Explanation:

i dont know

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2 years ago

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Why is monatomic compound nonsense?

Tamiku [17]

<span>Because mona means 1 atom, and a compound is made up of 2 or more atoms.</span>

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2 years ago

How much time would it take to distribute one avagadro's number of wheat grains if 10^10 grains are A)1.9*10^2 years B)1.9*10^10

Makovka662 [10]

Answer:

It takes 1.9 $\times 10^{6}$ years to distribute all the grains.

Explanation:

In one second, $10^{10}$ grains of wheat are distributed.

We are supposed to find the time it would take to Distribute Avogadro number of grains.

1 avogadro number = 6.022 $\times 10^{23}$

Number of grains distributed in 1 day = 86400 $\times 10^{10}$

= 8.64 $\times 10^{14}$

Number of grains distributed in 1 year= 8.64 $\times 10^{14} \times 365$

= 3.1536 $\times 10^{17}$

Time taken = $\frac{Number of grains to be distributed}{grains distributed in 1 year}$

= $\frac {6.022 \times 10^{23}}{3.1536\times 10^{17}}$

= 1.9 $\times 10^{6}$

7 0

3 years ago

if 15 mol C is mixed with 10 mol O2 which reactant is the limiting reactant? Which reactant would be the excess reactant?

ioda

Answer:

C is the excess reactant.

Explanation:

Reaction is C + O2 --> CO2

1mol of C required to react with 1mol O2

Therefore 15 - 10 = 5moles of C will be in excess

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3 years ago

Based on the Lewis/electron dot representation

timama [110]

Answer:

B or C think so

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2 years ago