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Papessa [141]
3 years ago
12

MgCI2 how many element ?

Chemistry
1 answer:
polet [3.4K]3 years ago
7 0

Answer:

2 elements magnesium(Mg) and chlorine (Cl)

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If have a volume of 18 L of a gas at a temperature of 272 K and a pressure of 90 atm, what will be the pressure of the gas if ra
Solnce55 [7]

Answer:

P₂ ≅ 100 atm (1 sig. fig. based on the given value of P₁ = 90 atm)

Explanation:

Given:

P₁ = 90 atm                    P₂ = ?

V₁ = 18 Liters(L)              L₂ = 12 Liters(L)      

=> decrease volume => increase pressure

=> volume ratio that will increase 90 atm is (18L/12L)                                                                  

T₁ = 272 Kelvin(K)          T₂ = 274 Kelvin(K)

=>  increase temperature => increase pressure

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P₂ = 90 atm x (18L/12L) x (274K/272K) = 135.9926471 atm (calculator)

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