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Vlad1618 [11]
3 years ago
5

Al(s) + HCl(aq)->AlCl3(aq) + H2(8) What type of reaction is this

Chemistry
1 answer:
weeeeeb [17]3 years ago
4 0

Answer:

Single Displacement

Explanation:

Single displacement occurs when a new element replaces one of the atoms in a group.

The skeleton formula for this is:

AB + C => AC + B

The "new" element, C, replaces B in the reaction.

In the equation for this equation, Al (aluminum) replaces H (hydrogen) because in the right side, products, Al is with Cl.

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Find the volume of a gas at standard pressure if its volume at 1.9 atm is 80 ml?
kogti [31]

Answer:

1.5 × 10² mL

Explanation:

Step 1: Given data

  • Initial pressure of the gas (P₁): 1.9 atm
  • Initial volume of the gas (V₁): 80 mL
  • Final pressure of the gas (P₂): 1.0 atm (standard pressure)
  • Final volume of the gas (V₂): ?

Step 2: Calculate the final volume of the gas

For an ideal gas, we can calculate the final volume of the gas using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁/P₂

V₂ = 1.9 atm × 80 mL/1.0 atm

V₂ = 1.5 × 10² mL

Since the pressure decreased, the volume of the gas increased.

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