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Draw two pictures. One of a graduated cylinder filled with liquid in which it is possible to read its volume as 10.oo ml and one of a second graduated cylinder filled with liquid in which it is possible to read its volume as 10. mL
Calculate the change in temperature for 4.5g of CaCl2 dissolved in 90.0mL of H20. Assume that calorimeter absorbs no heat. (Ccal=0)
NaOH is added to K2CrO4 and K2Cr2O7 separately in test tubes and a color change is noted.
Calculate the number of liters occupied at STP: a. 1.7 mol H2(g); b. 1.8 x 10-2 mol N2(g); c. 2.5 x 10(2) mol O2(g)
NaHCO3 is added until the fizzing due to the formation of CO2(g) ceases. If 27.0 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of solid NaHCO3 that must be added to the spill to neutralize the acid?
What is the entropy change if two mole of liquid water is heated from 20 C to 100 C under constant pressure? Cp=75.5 J/mol*K over this temperature interval
Amixture of nitrogen and water vapor is admitted to a flask whichcontains a solid drying agent. Immediately after admission, thepressure of the flask is 760 mm Hg.
A gaseous mixture of O2 and N2 contains 40.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 405mmhg
if you had excess chlorine how many moles of of aluminum chloride could be produced from 17 grams of aluminum
If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?
The vapor pressure of a solution containing 53.6 g glycerin (C3H8O3) in 133.7 g ethanol (C2H5OH) is 113 torr at 40 degrees Celsius.
If you wished to prepare t-butyl propyl ether by a Williamson Synthesis, there are two possible combinations of materials you could choose as alternatives.
The combustion of an organic compound releases 35.6 kJ of energy and causes the temperature of a constant volume calorimeter to increase by 4.76 °C .
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