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notsponge [240]
3 years ago
6

Which is the best pure substance gold or air?

Chemistry
2 answers:
Elena L [17]3 years ago
7 0
Gold is the best pure substance. The answer is gold
ehidna [41]3 years ago
7 0
It is gold!!!!!!!!!!!!!!!!!!
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How many liters of 4.0 NaOH solution will react with 1.8 mol H2SO4
wlad13 [49]

Answer:

0.9 liters of 4.0 M NaOH solution will react with 1.8 moles of sulfuric acid.

Explanation:

2NaOH(aq)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)

According to reaction, 1 mole of sulfuric acid reacts with 2 moles of sodium hydroxide.

Then 1.8 moles of sulfuric acid will react with:

\frac{2}{1}\times 1.8 mol=3.6 mol moles of NaOH.

Molarity of NaOH = 4.0 M

Moles of NaOH= n = 3.6 mol

Volume of NaOH = V

M=\frac{n}{V(L)}

V=\frac{n}{M}=\frac{3.6 mol}{4.0 M}=0.9 L

0.9 liters of 4.0 M NaOH solution will react with 1.8 moles of sulfuric acid.

8 0
3 years ago
How many atoms of oxygen are in a molecule of glucose<br> (C6H12O6)
valentinak56 [21]

Answer:

It is 6

Explanation:

6 oxygen atoms

4 0
2 years ago
Read 2 more answers
What is this equation balanced?
grin007 [14]
<h3>the balanced chemical reaction would be :</h3>

CH4 + 2O2 =》CO2 + 2H2O

Answer:

the balanced chemical reaction is provided above .

Explanation:

the given reaction is reaction of methane with oxygen ( or burning of methane in presence of oxygen )

it is highly exothermic, because high amount of heat is evolved in this reaction

5 0
2 years ago
Volume is the quantity of two-dimensional space occupied by a liquid, solid, or gas.
expeople1 [14]

Answer:

B.False

Explanation:

Volume is used in 3D shapes, 2D is found by area.

Hope this helps please mark as brainliest ^^

3 0
3 years ago
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Is wind energy consistent or inconsistent
LuckyWell [14K]
Inconsistent as it can vary from time to time.
5 0
3 years ago
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