How many grams of asprin were lost in the washing process
How many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing? The solubility of asprin in water is 0.33g per 100mL at room temperature.
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A mass of solid aluminum is at its melting point. what is the maximum mass of this sample that can be melted by 120 kJ of heat? ( Cp=0.900J/gc ; Hfus= 35.7 KJ/g
Water and solids are drawn from the bottom of the tank at a rate of 14,000 gal/hr. How long will it take before the solids concentration in the tank is 0.2 lb/gal?
Nitrogen is contained in a 300 ml vessel at 400 mm Hg and 10°C. How many grams of nitrogen are in the vessel?
Calculate the enthalpy change, Delta H, for this reaction per mole of X. Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/g and 1.00 g/mL and that no heat is lost to the calorimeter itself, no
How many grams of asprin were lost in the washing process you used to purify your product, assuming you used 50mL if water for washing?
How much heat is required to warm 215 g of ice from -44.1°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
If the partial pressure of NO is decreasing at the rate of 32 torr/min, what is the rate of change of the total pressure of the vessel?
What is the energy of light that is emittted by one iron atom during its decay from an excited state to a ground state and has the wavelength 248.3 nm? What is the frequency of this light in MHz?
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