Calculate the freezing point and boiling point of a solution
Calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400. g of water.
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Determine the boiling point of a solution of 72.4 g of glycerol dissolved in 122.5 g of water.
A gas sample containing 1.45 mol at 25°C exerts a pressure of 397 torr. Some gas is added to the same container, and the temperature is increased to 50.°C. If the pressure increases to 800. torr, how many moles of gas were added to the con
A weather balloon with a 2-meter diameter at ambient temperature holds 525 grams of helium. What type of electronic probe could be used to determine the pressure inside the balloon?
After the reaction has gone to completion, the pressure inside the flask is 390. torr at 20.°C. What is the mass percent of MgO in the mixture? Assume that only the MgO reacts with CO2.
A volume of 80.0 mL of rm H_2O is initially at room temperature (22.0rm{}~^{circ}C). A chilled steel rod at 2.00rm~^{circ}C is placed in the water. If the final temperature of the system is 21.4~^{circ}C, what is the mass of the steel bar?
How many grams of precipitate are formed when 217 mL of a 0.741 M aluminum sulfate soultion and 338 mL of a 1.51 M sodium hydroxide solution are mixed together?
You are thinking of investing in a stock that is selling for $60 and that you think will go up in price over the next six months. The six-month call option with exercise price = $60 sells for a premium of $5. The risk-free rate is 1% annually. Con
The reactant concentration in a zero-order reaction was 7.00×10-2 after 180 and 3.00×10-2 after 340 . What was the initial reactant concentration for the reaction?
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