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Question 1: Calculate the density, in grams per liter, of carbon dioxide (CO2) gas at STP.
Question 2: How many grams of CO(g) are there in 74.5 mL of the gas at 0.933 atm and 30o C?
A 3.0 L bulb contained helium at 156 mm Hg is connected by a valve to a 2.0 L bulb containing Ar at 180 mm hg. Calculate the partial pressure of each element after the valve is opened and calculate the total pressure after the valve is opened.
Calculate the volume of chlorine gas in liters, measured at 20 C and 762 mm Hg, required to react with this volume of seawater.
If a sample of optically pure (+)-2-iodobutane (specific rotation = +32.1) was dissolved in an 18% sodium iodide solution, what would happen to the optical rotation over time
Assume that the metal rack is cooled from 240°F to 85°F, the temperature of the outlet water. The amount of heat removed from the retort walls in cooling from 240 to 100°F is 10 000 btu. Radiation loss from the retort during cooling is estimated a..
a graduated cylinder contains 110. ml of water. a 10.0 g piece of iron density 7.86 gcm3 and a 18.9 g piece of lead
A dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women. a)How many groups could be formed? b) which sex is in excess? By how much? (show calculation..
What reagent could be used to reduce both the nitro and ketone functional groups in a single reaction?
At 131 celsius and 769 mmHg, 2.00 L of the gaseous compound weighs 4.44 g. What is the molecular formula for the compound?
You dissolve 93.24 g of an unknown in 1000g of water and obtain deltaTf=2.34 degrees c. What is the molecular weight of the unknown if Kf=1.86 degrees c*kg/mol
8 ml of the HCl was used to titrate the pK_a 3.8 group; so 2 ml was enough to titrate the rest of the high pK_a group. The upper pK_a group must have begun the experiment as 80% acid form, 20% base form.
Classify which reaction is single replacement, double replacement, decomposition, combination and combustion. SiO2+HF--->sIf+H2O C7H10N+O2--->CO2+H2O+NO2 KO2+CO2--->K2CO3+O2 C4H10+Cl2+O2--->CO2+CCl4+H2O Ca3p2+hH2O--->Ca(OH)2+PH3
How long does it take to deposit a coating of gold 1.00um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant current
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