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A typical home uses approximately 2000 kWh of energy per month. If the energy came from a nuclear reaction, what mass would have to be converted to energy per year to meet the energy needs of the home?
A 355 m-L container holds .146 g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
If an intravenous solution containing 123 mg of a drug substance in each 250-mL bottle is to be administered at the rate of 200mcg of drug per minute,how many milliliters of the solution
If a salty crude sample was analyzed to have 110.6ppm salt. Calculate the pounds of sait per 1000 bbls of crude
To cool a volume of water from 176° K to 100° K, 7.9 x 104 J of heat energy must be removed. What is the volume of water that was cooled?
How many grams of water are required to process the CO2 from one day's electrical production at the Kingston Steam Plant. How much oxygen is produced by this process
How many milliliters of 5.0 M K2Cr2O7 solution must be diluted to prepare 250 mL of 0.10 M solution
what accounts for the large amount of ring strain in cyclopropane and cyclobutane? (Hint: what bond angle does an sp^y hybridized carbon prefer? What angles are necessary for each of the geometric shapes you are building?)
Dissolve an aluminum soft-drink can in an aqueous base. 2 Al (s) + 2 KOH (aq) + 6H20 (l)---> 2KAI(OH)4(aq) + 3H(g) If you place 2.05g of aluminum in a beaker with 185 mL of 1.35 M KOH, will any aluminum remain. What mass of KAI(OH)4 is produced
Draw clear representations of the two chair conformations of cis-2-methylcyclohexanol. Circle the hydrogen atoms which are anti to the hydroxyl group.
An unknown gas effuses 0.917684 times as fast as oxygen gas under the same conditions. What is the molar mass (g/mol) of the unknown gas. What is the chemical formula of the unknown gas.
in the topic of calorimetry how can bumping be avoided when heating water in a
lungs now contain 0.15 moles of oxygen gas, and 0.60 moles of nitrogen gas. If your lungs are at 1.4 atm of total pressure, what is the partial pressure of oxygen gas inside your lungs?
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