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The U.S Food and Drug Administration (FDA) recommends the you consume less than 2.4 g of sodium per day. What mass of sodium chloride (in grams) can you consume and still be within the FDA guidelines?
iron iii carbonate when heated decomposes ito iron iii oxide and carbon dioxide. 1fe2co33-gt1fe2o33co2 what mas of iron
Assume that the heat of combustion of benzene is -4.18 x 103 kJ/mol. Enter your answer with three significant figures in exponential format (1.23 x 104 = 1.23E4).
A steam power plant operates on the cycle of fig. 8.4. For one of the following sets of operating conditions, determine the steam rate, the heat transfer rates in the boiler and condenser and the thermal efficiency of the plant.
Calculate the change in entropy (in J/K) when 89.8 g of nitrogen gas is heated at a constant pressure of 1.50 atm
One liter of a buffer solution is prepared by dissolving 0.115 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
One of the first steps in the enrichment of uranium for use in nuclear power plans involves a displacement reaction between UO2 and aqueous HF to produce the green salt, UF4, and water.
Calculate the freezing point of an aqueous solution formed by dissolving 4.22 g of KCl in 25.00 mL of water. Kf for water is -1.86 degrees C/m. Assume the density of water
What are the spectator ions in the solution after completely precipitating an insoluble chloride compound when mixing KCl(aq) and Pb(NO3)2(aq)
how much energy in kilojoules is required to convert 100 ml of water at its boiling point from liquid to vapor and how
Indicate for each carbon in the following molecules the hybridization, geometric shape, and bond angles: a) CH3CH3
Using the Balmer-Rydberg equation, calculate the wavelength in nm, when n=2 in the Lyman series. (R=1.097*10^-2 nm ^-1
The Occupational Safety and Health Administration has set the limit on the maximum percentage of carbon dioxide (CO2) in air a worker can breathe at 0.500% by mole.
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