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son4ous [18]
3 years ago
7

The formula of heavy water​

Chemistry
1 answer:
Crazy boy [7]3 years ago
8 0

the formula of the heavy water is D2O

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B) How many moles of Na2O can be produced from 13.5 moles Na?
dolphi86 [110]

Answer: 6.75 moles of Na_2O can be produced from 13.5 moles Na

Explanation:

The balanced chemical equation  for formation of Na_2O from Na is:

4Na+O_2\rightarrow 2Na_2O  

According to stoichiometry :

4 moles of Na give = 2 moles of Na_2O

Thus 13.5 moles of Na give =\frac{2}{4}\times 13.5=6.75moles  of Na_2O  

Thus 6.75 moles of Na_2O can be produced from 13.5 moles Na

3 0
3 years ago
What is a possible reason that ecosystem 2 has fewer species than ecosystem 1?
olganol [36]

it doesn't repopulate as fast because ecosystem 2 could have more trouble reproducing then ecosystem 1.

7 0
4 years ago
hat is the product when magnesium reacts with nitrogen? Mg(s) + N2(g) → Mg2N3(s) Mg3N(s) Mg3N2(s) MgN3(s)
Ipatiy [6.2K]
3Mg + N₂ = Mg₃N₂

Mg₃N₂
______________________
5 0
3 years ago
Read 2 more answers
Describe the law of cross-cutting relationships
Over [174]

The law of cross-cutting relationships states that an igneous intrusion  or any other geologic feature of a rock  must be younger than any rock it cuts.

Explanation:

Igneous intrusion is formed when the magma intrudes into the cracks of an existing rock.When the melted rocks solidifies and cool down the resulting feature is the Igneous intrusion

The law of cross cutting is basically a principle of geology that states that the geological feature of a rock that cuts the other is always younger.

Metamorphic rock in death valley,California in an example of the law of cross-cutting relationship

7 0
3 years ago
Write the name of the product formed in the following synthesis reaction. <br> potassium + fluorine
ElenaW [278]

Answer:

When Potassium react with fluorine <u>potassium fluoride</u> is formed.

Explanation:

The elements of group 17 are called halogens. These are six elements Fluorine, Chlorine, Bromine, Iodine, Astatine. Halogens are very reactive these elements can not be found free in nature.

When halogen elements react with group one metals they form halide salts.

Alkali metals have one valance electron and halogens needed one electron to complete the octet thus alkali metals loses one electron which is accepted by halogens atom and form ionic compound called halide salts.

When Potassium react with fluorine potassium fluoride is formed.

Chemical equation:

2K + F₂ → 2KF

8 0
4 years ago
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