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sertanlavr [38]
3 years ago
6

Name the following alkyne: A. propane B. propene C. propyne D. methyne

Chemistry
1 answer:
dangina [55]3 years ago
4 0

Answer:

C.

hope this helps

have a good day :)

Explanation:

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to find the mass of 3.2 moles of calcium for carbonate which of the following is used to calculate the amount
natka813 [3]
I believe it to be g/mol of Calcium carbonate
because to finde mass...u must have grams(g) as units....
it is the only one that have g as units 

as for the first answer the avogadros number gives u the number of atoms in  one mole of calcium carbonate....
the second one is based on ... At s.t.p one mole of gas occupies 22.4 dm³⇒to find volume 
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3 years ago
How is conductivity related to pH?​
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Strongly acidic [or strongly basic] solution will have high conductivity.

Explanation:

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According to boyle’s law, when the pressure on a gas in an enclosed container increases, the volume of that gas
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Decreases. Hope I helped
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3 years ago
Merits of modern periodic table?​
ANEK [815]

Answer:

<h3>Merits of modern periodic table:</h3>
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  • The isotopes of some element have the same atomic numbers. Therefore, they find the same position in periodic table.
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6 0
3 years ago
in the following reaction, how many grams of benzene (C6H6) will produce 42 grams of CO2? 2C6H6 + 15O2 → 12CO2 + 6H2O
Mrrafil [7]

Answer: -

12.41 g

Explanation: -

Mass of CO₂ = 42 g

Molar mass of CO₂ = 12 x 1 + 16 x 2 = 44 g / mol

Number of moles of CO₂ = \frac{42}{44 g/mol}

= 0.9545 mol

The balanced chemical equation for this process is

2C₆H₆ + 15O₂ → 12CO₂ + 6H₂O

From the balanced chemical equation we see

12 mol of CO₂ is produced from 2 mol of C₆H₆

0.9545 mol of CO₂ is produced from \frac{2 mol C6H6 x 0.9545 mol  CO2}{12 mol CO2}

= 0.159 mol of C₆H₆

Molar mass of C₆H₆ = 12 x 6 + 1 x 6 =78 g /mol

Mass of C₆H₆ =Molar mass x Number of moles

= 78 g / mol x 0.159 mol

= 12.41 g

8 0
4 years ago
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