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3 years ago

14 g of sugar is dissolved in 100 mL of water. What is the mass of the new system?

Chemistry

1 answer:

meriva3 years ago

8 0

114g:mass of sugar(14g)+mass of water(100g)

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Using your understanding about the patterns between vaporization and condensation, explain why the boiling point and the condens

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Answer:

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3 years ago

Define and give 3 examples of psychical properties

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Answer:

A physical property is any property that is measurable, whose value describes a state of a physical system.

Explanation:

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4 years ago

se tienen 10 litros de nitrogeno gaseoso bajo una presion de 560 mm Hg. Determina el volumen del nitrogeno a una presion de 760

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3 years ago

The gas in a cylinder has a volume of 8 liters at a pressure of 101 kPa. The pressure of the gas is increased to 206 kPa. Assumi

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The pressure of the gas is increased<span> to 224 </span><span>kPa</span>

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3 years ago

If 9.6 X 1021 molecules of hydrogen are reacted with excess nitrogen, how many liters of ammonia can be produced at STP?

diamong [38]

The volume of NH₃ produced at STP : 0.237 L

<h3>Further explanation</h3>

Reaction

N₂ + 3H₂ → 2NH₃

1 mol = 6.02 x 10²³ particles

9.6 X 10²¹ molecules of Hydrogen, mol :

$\tt \dfrac{9.61\times 10^{21}}{6.02\times 10^{23}}=1.596\times 10^{-2}~moles$

mol H₂ : mol NH₃ = 3 : 2

mol NH₃ :

$\tt \dfrac{2}{3}\times 1.596\times 10^{-2}=0.0106$

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). <em>At STP, Vm is 22.4 liters/mol.</em>

The volume of NH₃ :

$\tt 0.0106\times 22.4=0.237~L$

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3 years ago