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Marina CMI [18]
3 years ago
15

The gas pressure inside a container decreases when which of the following happens? the number of molecules is increased and the

temperature is increased the number of gas molecules is decreased the temperature is increased the number of gas molecules is increased
Chemistry
1 answer:
ASHA 777 [7]3 years ago
7 0

<h2><em>can't understand your question..... can u explain me May </em><em>b</em><em>e</em><em> I can help u!</em></h2><h2 /><h2 />
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Write an equation for the reaction that takes place during the laboratory preparation of dry hydrogen​
olya-2409 [2.1K]

Answer:

Zn+2HCl→ZnCl2+H2

Explanation:

Hydrogen gas is prepared in the laboratory by reacting dilute HCl with granulated zinc.

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If the lungs of a child hold 0.11 mol of air in a volume of 2.8 L, then the lungs of an average female adult, with a volume is 4
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Answer:

Explanation:

A childs lung can hold .11mols/ per 2.8 L so that gives us a molarity of .039M

A adults lungs can hold .18 mols /per 4.6 so that gives us .039M aswell meaining that the lung capacity between the two is not different.

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How do you know when a substance is boiling?
IrinaVladis [17]
When the substance is creating gases. Sometimes when it’s bubbling up
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Explain the term lattice energy as applied to ionic solids
Elena-2011 [213]

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4 0
3 years ago
Propane reacts with 3.15moles of oxygen how much propane reacts with oxygen​
Inessa [10]

27.7g

Explanation:

Given parameters:

Number of moles of oxygen = 3.15moles

Unknown:

Mass of reacting propane = ?

Solution:

   Equation of the reaction:

                   C₃H₈ + 5O₂   →    3CO₂    +     4H₂O

 We work from the known to the unknown parameters.

The known in this expression is the number of moles of oxygen.

   In the reaction:

                   5 moles of oxygen gas reacts with 1 mole of propane

  3.15 mole of oxgen gas will react with    \frac{3.15}{5} = 0.63moles

Number of moles of reacting propane gas is 0.63moles

To find the mass;

         mass = number of moles x molar mass = 0.63 x molar mass

molar mass of propane = (3 x 12) + (8x1) = 44g/mol

         mass of propane = 0.63 x 44 = 27.7g

Learn more:

Combustion reaction brainly.com/question/6126420

#learnwithBrainly

8 0
3 years ago
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