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mojhsa [17]
3 years ago
13

Plz help ASAP!!!!!!!!

Chemistry
2 answers:
Ratling [72]3 years ago
5 0

Answer:

trough

Explanation:

vlabodo [156]3 years ago
4 0
I think it’s trough
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At 450 mm Hg a gas has a volume of 760 L, what is its volume at standard pressure​
KatRina [158]

Answer:

450.0 L.

Explanation:

  • We can use the general law of ideal gas: <em>PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

  • If n and T are constant, and have different values of P and V:

<em>(P₁V₁) = (P₂V₂).</em>

<em></em>

V₁ = 760.0 L, P₁ = 450.0 mm Hg,

V₂ = ??? L, ​P₂ = 760.0 mm Hg (standard pressure = 1.0 atm = 760 mm Hg).

∴ V₂ = (P₁V₁)/(P₂) = (760.0 L)(450.0 mm Hg)/(760.0 mm Hg) = 450.0 L.

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4 years ago
An increase in pressure increasing the boiling point of a liquid is an example of a —
Setler [38]

Answer:

Ans. C. physical change

Explanation:

Physical: boiling and melting are physical changes. When water boils no bonds are broken or formed

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4 years ago
How many grams of magnesium metal will react completely with 4.8 liters of 5.0 M HCl? Show all of the work needed to solve this
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V=4.8 L
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2) m(Mg)=M(Mg)n(HCl)/2

3) m(Mg)=M(Mg)cv/2
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Entropy,mass and volume.... I think

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B. is ur answer I bieleve
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