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Ksivusya [100]
3 years ago
8

The Sun is located _____.

Chemistry
1 answer:
8090 [49]3 years ago
5 0

Answer:

I believe the answer is going to be A. in the central core of the Milky Way galaxy.

Explanation: lol sorry I put it in the question box instead of answering it, hope this helps!

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Which structure is found in all eukaryotic​
velikii [3]

Answer:

Nucleus, golgi apparatus, cell membrane

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3 years ago
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Explain why material within the mantle moves in convection cells. In your explanation you should describe the relationship betwe
Murrr4er [49]

Answer:

I do not know the Answer I'm just trying to get my point

Explanation:

Thank you

7 0
4 years ago
An excess of sodium carbonate, Na2CO3, in solution is added to a solution containing 15.71 g CaCl2. After performing the experim
OlgaM077 [116]

Answer:

93.15 %

Explanation:

We have to start with the chemical reaction:

CaCl_2~+~Na_2CO_3~->~CaCO_3~+~NaCl

Now, we can balance the reaction:

CaCl_2~+~Na_2CO_3~->~CaCO_3~+~2NaCl

Our initial data are the 15.71 g of CaCl_2, so we have to do the following steps:

1) <u>Convert from grams to moles of CaCl_2 using the molar mass (110.98 g/mol).</u>

2) <u>Convert from moles of CaCl_2 to moles of CaCO_3 using the molar ratio. ( 1 mol CaCl_2= 1 mol of CaCO_3).</u>

3) <u>Convert from moles of CaCO_3 to grams of CaCO_3 using the molar mass. (100 g/mol).</u>

15.71~g~CaCl_2\frac{1~mol~CaCl_2}{110.98~g~CaCl_2}\frac{1~mol~CaCO_3}{1~mol~CaCl_2}\frac{100~g~CaCO_3}{1~mol~CaCO_3}=14.16~g~CaCO_3

Finally, we can calculate the yield percent:

%~=~\frac{13.19~g~CaCO_3}{14.16~g~CaCO_3}*100=93.15~%

I hope it helps!

5 0
4 years ago
A 10g sample of Fe reacts with O to form 18.2g of FeO. How many grams of O reacted?
faust18 [17]

Answer:

Mass of O = 8.2 gram

Explanation:

Given:

Mass of Fe = 10 g

Total volume = 18.2 g

Find:

Mass of O

Computation:

Using Conservation of total mass

Total volume = Mass of O + Mass of Fe

18.2 = Mass of O + 10

Mass of O = 8.2 gram

6 0
3 years ago
Which unit is used to measure mass in the metric system
erastova [34]
The answer is Gram :) hope this helps
4 0
3 years ago
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