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The average per month of energy use is 879 kWh (kilowatt) of electricity. If the price of one kWh is $0.0668 how much money will spend on electricity for one year? Disregard significant figures.
A.) $58.72
B.) $704.61
C.) $1315.87
D.) $1096.56
Calculate the change in chemical potential of an ideal gas when its pressure is decreased isothermally at 30 degree
Determine the volume of sulfuric acid solution needed to prepare 37.4 g of aluminum sulfate, Al2(SO4)3, by the following reaction
The optical rotation of a sample composed only (S)-1-amino-1-phenylethane is determined. [a]obs = -157.0 degrees. If the cell path length was 1.0 dm and the concentration of (S)-1-amino-1-phenylethan in the sample was 5.2 g/mL
Determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution of ammonium nitrate at 75 °C is cooled to fifteen degree Celsius?
A student standardized her I2 solution by preparing a solution of 0.0450 g of ascorbic acid (vitamin C) in a 100 mL volumetric flask. She titrated several 10.00 mL samples of the Vitamin C solution
Calculate the molality of total ions in an acqeous solution prepared by dissolving 0.400 moles of magnesium chloride in 850.0 g of water?
What is the value of k at 15 s? M-1s-1 What is the value of k at 25 s? M-1s-1 (C)Use your results from parts A and B above to decide what the order of the reaction is for your data. (Enter 1 or 2) (D)What is the concentration of [A] at time t=64 s..
It takes 54.0 J to raise the temperature of an 10.3g piece of unknown metal from 13.0C to 25.0 C. What is the specific heat for the metal?
Draw the reaction energy diagram for this reaction mechanism. In your diagram, label for each step, Estimate the relative amount of each product that would result. Please show all of your math
How many grams of precipitate will form from 100mL solution that is both 0.90 M in Na2S and 0.20 M in PbCl2?
a gas is placed in a balloon with a volume of 3.0L at 35C and 800 torr. What would be the new volume for the gas if placed under STP
Use this information to compare how long it will take to obtain molecular scale mixing of such a gas over i) distance 1*10^-4 m and ii) 10m
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