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Julli [10]
3 years ago
5

A sample of 25L of NH3 gas at 10°C is heated at constant pressure until it fills a volume of 50L. What is the new temperature in

°C?
Chemistry
1 answer:
pishuonlain [190]3 years ago
6 0

Answer:

293 oC

Explanation:

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A balloon at 32 °C is filled with 21 L of air. What would its volume be at a temperature of 52 °C, assuming pressure remains con
I am Lyosha [343]

Answer:C). 24L

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4 0
3 years ago
Pb(CH3COO)2 + H2S --> PbS + CH3COOH 1. How many moles are produced of PbS when 5.00 grams of Pb(CH3COO)2 is reacted with H2S?
shutvik [7]

Answer:

1. 0.0154mole of PbS

2. Double displacement reaction

Explanation:

First, let write a balanced equation for the reaction. This is illustrated below:

Pb(CH3COO)2 + H2S —> PbS + 2 CH3COOH

Molar Mass of Pb(CH3COO)2 = 207 + 2(12 + 3 + 12 + 16 +16) = 207 + 2(59) = 207 + 118 = 325g

Mass of Pb(CH3COO)2 = 5g

Number of mole = Mass /Molar Mass

Number of mole of Pb(CH3COO)2 = 5/325 = 0.0154mole

From the equation,

1mole of Pb(CH3COO)2 produced 1mole of PbS.

Therefore, 0.0154mole of Pb(CH3COO)2 will also produce 0.0154mole of PbS

2. The name of the reaction is double displacement reaction since the ions in the two reactants interchange to form two different products

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3 years ago
Based on the information given below, about how many trips around the Milky Way has the Sun made since the emergence of life on
miss Akunina [59]
It has oribited the milky way more then 20 times 
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Solve: The following question in the picture
Aleks [24]

Answer:

D is the answer to your question in my opinion

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All atoms of the same element have the same what?
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must have the same number of protons

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