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Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol required to achieve this?
At 1000K , the value of Kc for the reaction C+H20 CO+ H2 is 3.0*10^-2. Calculate the equilibrium concentrations of H20, CO2, and H2, in a reaction mixture obtained by heating 5.70 mol of steam and an excess of solid carbon in a 5.50 L container.
The water level in a graduated cylinder was at 211 rises initially it raised to 270 after adding a piece of lead is submerged. Determine the mass in grams of the lead?
how many moles of co2 when 15.5 ml of a 3.00 m hci reacts with excess caco3?the calcium carbonate in limestone reacts
A scientist wants to make a solution of tribasic sodium phosphate, Na3Po4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425 mL of a solution
Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86°C/m and Kb = 0.512°C/m. Use 100°C as the boiling point of water.
104. a 50.0 ml sample of 2.0 times 10-4 m cuno3 is added to 50.0 ml of 4.0 m nacn. the formation constant of the
if the hindenburg held 2.0 times 10^5 m^3 of hydrogen gas at 23 degrees C and 1.0 atm, what mass of hydrogen was present
If it takes 20nL of an1.2M solution of iodine to titrate 15mL of an ascorbic acid solution calculate the molarity of the ascorbic acid solution
what is the total number of moles of aluminum oxide that can be formed when 54 grains of aluminum reacts completely
Calculate the standard cell potential for Mg(s) + Fe2+(aq)--->Mg2+ + Fe(s) Express the standard potential numerically in volts.
57.0 mL of 3.50 M sodium hydroxide is combined with 35.0 mL of 1.80 M magnesium chloride. What mass in grams of solid forms?
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
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