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1) What are the units of the universal gas constant R?
2) Water freezes at 0 deg.C, 32 degF or 273.2K. Which is correct? Which is colder?
3) When can a real gas behave as an ideal gas? Are these conditions met in this experiment?
4) A gas with a mass of 33.62g occupies a 10.00L flask at 27 deg.C and 730 torr of pressure. What is the molar mass of the gas? (REMEMBER to use proper units: V in liters, T in Kelvin and P in atmospheres.)
Calculated what is the pressure in atm using the van der Waals' equation for Oxygen gas under these conditions? For O 2 , it is given a = 1.360 L2atm/mol2 and b = 3.183E-2 L/mol.
A solution made by dissolving 1.20 g of the unknown compound in 25.0 g of benzene had a freezing point of 4.7 degrees Celsius
would the mass of the precipate collected be more, unchanged, or less if performing the reaction with reactants
The heat evolved when a mole of octane undergoes complete combustion is 1303 kcal. This is called the heat of combustion. How many kcal of heat wil be generated when 148 grams of octane react with 952 grams of oxygen? Show calculations.
Element 107 was made by bombarding Bismuth-209 with Chromium-54. One product is a neutron, what is the balanced equation?
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
how many moles are present of an ideal gas at the following conditions: 1.0 atm, 25.0 C, and occupying 22.4 L, The Lewis structure for PF3 shows that the central phosphorus atom has _______ nonbonding and
Two components have boiling points of 130 C and 150 C. Estimate the number of theoretical plates needed to separate these substances in a fractional distillation.
What impact does the presence of moisture in the unknown
How many moles of sulfur dioxide, SO2 are contained in a 5.0 L container at STP?
Many elements can have more than one charge or oxidation number. In this set of problems, we will assign oxidation numbers to each atom in sulfate, carbonate, bicarbonate, bisulfate, sulfite, nitrate, nitrite, chlorate, and perchlorate.
The purpose of this experiment is to find out which fabric out of polyester, polypropylene, cotton and wool is the most suitable to make a sling back chair.
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