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Darina [25.2K]
3 years ago
15

A sample of helium gas is in a sealed rigid container. What occurs as the temperature of the sample is increased

Chemistry
1 answer:
hammer [34]3 years ago
3 0
The electrons will move more rapidly resulting in a higher pressure even at a consistent volume
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Help me answer this plz.
boyakko [2]

Answer:

87.58 L of C₂H₂

Explanation:

We'll begin by calculating the number of mole in 250 g of CaC₂.

This can be obtained as follow:

Mass of CaC₂ = 250 g

Molar mass of CaC₂ = 40 + (12×2)

= 40 + 24

= 64 g/mol

Mole of CaC₂ =?

Mole = mass /Molar mass

Mole of CaC₂ = 250 / 64

Mole of CaC₂ = 3.91 moles

Next, the balanced equation for the reaction. This is given below:

CaC₂ + 2H₂O —> C₂H₂ + Ca(OH)₂

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of C₂H₂.

Next, we shall determine the number of mole of C₂H₂ produced by the reaction of 250 g (i.e 3.91 moles) of CaC₂. This can be obtained as follow:

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of C₂H₂.

Therefore, 3.91 moles of CaC₂ will also react to produce 3.91 moles of C₂H₂.

Finally, we shall determine the volume of C₂H₂ produced from the reaction. This can be obtained as follow:

Recall:

1 mole of any gas occupy 22.4 L at STP.

1 mole of C₂H₂ occupied 22.4 L at STP.

Therefore, 3.91 moles of C₂H₂ will occupy = 3.91 × 22.4 = 87.58 L

Thus, 87.58 L of C₂H₂ is produced from the reaction.

5 0
3 years ago
Use your periodic table to determine which element in the group below would be least likely to react with the other elements ?
kipiarov [429]

Answer:

Neon

Explanation:

Neon is a noble gas. Noble gases do not react with other elements. Carbon, Boron, and Oxygen would all react with each other.

8 0
2 years ago
Read 2 more answers
Whoever answers my question correctly I'll give 50 points​
Jet001 [13]

Answer:

okii is it on your page

Explanation:

4 0
2 years ago
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What is the number of moles of ammonia gas formed when 0.5 mole of nitrogen gas is reacted with excess of hydrogen gas?​
Troyanec [42]

Answer: 1.5mol NH3

Explanation: 1N2+3H2= NH3

                      0.5 mol N2x 3NH3/1molN2= 0.5x3= 1.5mol NH3

7 0
1 year ago
Which of the following are held together by nonpolar convalent bonds?
Olin [163]

A. Atoms of chlorine (Cl)

Explanation:

The atoms of chlorine are held together by non-polar covalent bonds.

  • Covalent bonds are formed between two or more atoms having zero or very small electronegativity difference.
  • For homonuclear molecules where the two bonding atom are of the same kind, the electronegativity difference is zero.
  • This covalent bond type is called non-polar covalent bond.
  • In this bond type, there is equal sharing of the electron pair between the atoms and there is no electrostatic charge on the molecule.

Learn more:

Covalent bond brainly.com/question/5258547

#learnwithBrainly

6 0
3 years ago
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