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Show all of your work for each of the following problems. An aluminum nail of mass 5.00g is immersed into a solution of copper(II)nitrate. The mass of copper(II)nitrate in the solution is 6.50g. a. Write the balanced chemical equation for the reaction. b. What is the limiting reactant? c. How many grams of elemental copper can be produced from the reaction? d. How many grams of excess reactant remains when the limiting reactant is consumed? e. What is the % yield if 1.95g of copper is produced from the reaction in the lab?
If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .
What volume of 0.240 M K2S solution is required to completely react with 195 mL of 0.155 M Co(NO3)2.
Hydrogen sulfide () is a common and troublesome pollutant in industrial wastewaters. One way to remove is to treat the water with chlorine
What mass of NaOH is needed to precipitate the Cd^{2+} ions from 38.0 mL of 0.480 M Cd(NO_3)_2 solution
61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H 2 O. determine the final concentration?
How much energy (in calories) is needed to heat 17cm^3 of fat from room temperature (25 C) to its melting point (35 C)?
if 5.00 g of each NH3, O2, and CH4 are reacted, what mass of HCN will be produced, assuming 100% yield
When we extrapolate concentration dependent values to zero solute concentration, what do these extrapolated values mean physically
how much energy is required to vaporize 48.7 g of CH2Cl2 at its boiling point if its Hvap = 31.6 kg/mol
Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 65.0L and which contains O2 gas at a pressure of 16,500kPa at 23°C.
Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction
Determine the mass of the steel bar if the final temperature of the system is twenty one degree Celsius?
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