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MAVERICK [17]
3 years ago
13

What is the initial material of hydraulic lime?

Chemistry
1 answer:
dalvyx [7]3 years ago
3 0

Answer:

The raw material of hydraulic lime is a limestone.

Such type of limestone is called <em>Argillaceus</em><em>.</em><em> </em>

<em>From</em><em>~</em><em>C</em><em>h</em><em>a</em><em>r</em><em>m</em><em>i</em><em>n</em><em>g</em><em>l</em><em>e</em><em>x</em><em>~</em>

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C + 2H2 -&gt; CH4
ankoles [38]

Answer:

<u>C) 4</u>

Explanation:

<u>The reaction</u> :

  • C (s) + 2H₂ (g) ⇒ CH₄ (g)

       12g      4g             16g

Hence, based on this we can say that : <u>2 moles of hydrogen gas are needed to produce 16g of methane.</u>

<u />

<u>For 32g of methane</u>

  • Number of moles of H₂ = 32/16 × 2
  • Number of moles of H₂ = <u>4</u>
4 0
1 year ago
Read 2 more answers
How many atoms of oxygen are in 4.00 moles of N2O5
SVETLANKA909090 [29]

Answer:

there are 20 oxygen atoms in 4.00 moles of Dinitrogen pentoxide

Explanation:

there are 2 atoms in an oxygen molecule , so each oxygen molecules has at least 2. Dinitrogen pentoxide is N2O5, which has 7 atoms, 2 nitrogen and 5 oxygen. 1 molecule of N2O5 has 5 oxygen atoms, so 4 of then would be 20

8 0
3 years ago
Please help :((
Blizzard [7]
Your answer would be 5.
4 0
2 years ago
The genetic material of all organisms;made up of two twisted strands in a double helix
viva [34]
Hello!

The genetic material of all organisms which is made up of two twisted strands in a double helix is called DNA (DeoxyriboNucleic Acid)

DNA 
is the basis of all genetic information. It contains all instructions for the development and functioning of all living organisms and some viruses. The main function of DNA is the long-term storage of information to build other cell components like Proteins and RNA. It is composed of two strands with 4 possible bases which are Adenine (A), Thymine (T), Cytosine (C) and Guanine (G).

Have a nice day!
7 0
3 years ago
Which gas is most abundant in Earth’s atmosphere?
scoundrel [369]

Answer:

Nitrogen

Explanation: nitrogen is around 70% of the air hope this helps god bless

3 0
3 years ago
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