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To determine the density and the molar mass of a gas. A 2.10 L vessel contains 4.65 g of gas at 1.00 atn and 27.0 degrees C.
a) compute the density of the gas in grams per liter.b) What is the molar mass of the gas?
A coffee cup calorimeter having a heat capacity of 451 J/ o C was used to measure the heat evolved when 0.0300 mol of NaOH(s) was added to 1000 mL of 0.0300 M HNO 3 initially at 23.000 o C. The temperature of the water r ...
When silver tarnishes, silver metal reacts with the element sulfur to form a gray deposit of Ag2S. If Ag reacts with S to form this compound, identify which element is being oxidized and which is being reduced. Explain h ...
a) Draw all possible stereoisomers of 1,4-dimethylcyclohexane. b) What is the stereo chemical relationship between all of them? c) Rate them according to their stability.
Chemistry Practice Exam Directions on actual Exam: The exam consists of 2 sections (Chemical Bonding and Geometry and IMFs. Each multiple choice question is worth 4.33 points. You are allowed to use a scientific (nonprog ...
An empty 100-mL measuring cylinder weighs 132.456 g. When filled with rice to the 100-mL mark it weighs 220.345 g. After water has been added to fill the spaces between the grains, the weight is 250.123 g. What is the ...
What is the net ionic equation for the following reaction? AgNO3 (aq) + NaCl (aq) AgCl (s) + NaNO3 (aq)
If you eat a 48 g serving rice every fourth day and you weigh 75 kg, what is your dose of inorganic arsenic (in µg per kg body weight per day) if the rice contains 386 µg kg -1 of total arsenic, 45% of which is inorganic ...
Calculate the magnitude of the diffusion-controlled rate constant at 298 K for a species in (i) water, (ii) pentane. The viscosities are 1.00 × 10-3 kg m-1 s-1, and 2.2 ×10-4 kg m-1 s-1, respectively.
Using the following data, calculate the pressure of 100.0mol of CO(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aCO=14 ...
Write the balanced equation for the reaction of calcium metal with iron (III) nitrate. The coefficients on calcium metal and iron metal in the balanced equation are: 3 Ca(s) and 2 Fe(s) 2 Ca(s) and 3 Fe(s) 6 Ca(s) and 6 ...
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