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What is the limiting reactant when ammonium nitrate is synthesized from its elements in their standard states and 1.0 L of all reactants are used at a constant pressure and temperature?
A. nitrogen
B. hydrogen
C. oxygen
D. cannot be determined without the pressure and temperature
If 60.0g of Cu metal at 85C were added to 60.0g ethanol at 10C in a calorimeter of heat capacity 30.0 J/K what would the final temperature be assuming no heat losses? cp for Cu= 0.380 J/K/g and Cp for ethanol = 60.0 J/K/mol
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
How much energy is required to evaporate 100.0 grams of water that is at 100.0 degrees Celsius?
a.) Available Electrons (AE) b.) Needed Electrons (NE) c.) Geometry Description d.) Number of sigma bonds e.) bonding description f.) lewis dot structure
the partial pressures of gas A and gas B respectively are 0.298 ATM and .702 atm if 0.130 mol a 3rd gas is added with no change in volume or temperature, what would the total pressure become?
how many grams of sucrose C12H22O11 must be added to 522g of water to give a solution a vapor pressure 2.0mmHg less than that of pure water at 20 degrees celsius
A balloon is filled to a volume of 7.0 102 mL at a temperature of 12.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 multiplied by 102 K. What is the final volume of the balloon?
The solution has a density of 1.286 g/cm3. Calculate E for the cell. Assume all the H+ ions come from the first dissociation of H2SO4, which is complete.
The total mass of the car plus sand is 85,000 . The hopper door is not fully closed so sand leaks out the bottom. After 18.0 minutes, 1.34×104 of sand has leaked out. Then what is the speed of the railroad car?
Consider an aqueous solution that is saturated with lead iodide, lead sulfate and 0.10 M K2SO4 (a strong electrolyte). Write mass and charge balance equations that describe the system
You are a laboratory assistant for your chemistry course. There are 250 students in the course, and each needs to use 25 mL of a 0.15 M solution of copper sulfate.
Draw the structure of the product of the reaction between cyclohexene and O3 then (CH3)2S Indicate stereochemistry.
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