Solution-Calculate the density of ch4 at stp

Calculate the density of ch4 at stp

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Reference no: EM131512890

EXERCISE - Properties of Solutions

Report for Experiment

Concentration of a saturated solution

a- Mass of evaporating dish

b- Mass of evaporating dish and saturated NaCl solution

c- Mass of dish and NaCl after evaporation

Calculate: (Show work. For more space, use the reverse side.)

a- Mass of saturated NaCl solution

b- Mass of NaCl dissolved in the solution

c- Mass of water in the solution

d- Mass % of NaCl in the solution

e- Grams of NaCl per 100g of water

Relative solubility of a solute in two different solvents

Which liquid is more dense, water or cooking oil?

What evidence supports your answer?

What is the color of iodine in water?

What is the color of iodine in cooking oil?

In which solvent was iodine more soluble?

What is the experimental evidence?

Miscibility of liquids

Which liquid pair(s) tested is miscible?

How do you classify the water/mineral oil mixture?

Rate of dissolving versus particle size

Time (seconds) required for fine salt to dissolve

Time (seconds) required for coarse salt to dissolve

What general conclusion can you draw?

Rate of dissolving versus temperature

Did salt dissolve faster under hot or cold conditions?

Length of time (seconds) for salt to dissolve in hot water

Solubility Versus Temperature

Which of the 1.0g solutions is saturated?

Evidence?

Which of the 2.4g solutions is saturated?

Evidence?

Which solid is least soluble at the elevated temperature?

EXERCISE - Gas Laws

A sample of nitrogen gas occupies 28.5 L at STP. How many moles of nitrogen are present?

A 795.0 mL volume of hydrogen gas is collected at 23 oC and 1055 torr. What volume will it occupy at STP?

What would the pressure be of 25.0 g of chlorine gas at -10.0 ºC in a 4.50 L container?

Calculate the density of CH4 at STP.

A volume of 495 mL of argon gas was collected at 21.0 oC and 779 torr. What does this sample weigh?

Attachment:- EXPERIMENT.rar

Verified Expert

:The problems given deal with use of ideal gas law equation. The gas law equation can be written as PV= nRT, P= pressure, V= volume, n= no of moles, R= universal gas constant and T is temperature in K. The gas constant is expressed in 0.0821 L.atm/mole.K if pressure of gas is in atm, volume is in Liters and Temperature is in K. Hence if Pressure, volume and temperatures are given , we can calculate the no of moles of gas. Alternatively, for a given mass of gas, we can calculate unknown by the following relation

Reference no: EM131512890

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inf1512890

6/22/2017 5:17:33 AM

A debt of gratitude is in order for the on time conveyance. You all are incredible, will hit you up soon for my next semester assignments. Yes will certainly allude you companions, let me get the result first. In any case, subsequent to checking I am certain to get high evaluations.

len1512890

5/31/2017 4:53:04 PM

Not sure on the price. Can you help me I do not understand this at all.. 2 pages due by 8am for my chem class. Preparation of the saturated NaCl solution: Weigh 36.6 g of fine NaCl crystals and place the crystals in a coffee mug. Add 100.0 mL of water to the mug. Place the mug in the microwave and heat the solution until it boils. Stir until all (or the great majority) of the crystals dissolve. Let the solution cool.

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Calculate the density of ch4 at stp

Reference no: EM131512890

Reference no: EM131512890

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