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The united states FDA requires that any product called vinegar contains at least 4% by weight of acetic acid. assuming that the density of vinegar is the same as water, does this bottle of vinegar satisfy the FDA requirement to be called vinegar?
Determine how much PV work is done if 80.0 g of C 2 H 4 and 125 grams of hydro chloric acid are permissible to react at atmospheric pressure and the volume change = -63.9 L? express your answer in kilojoules
The latent heat of vaporization of water is 577 J/kg. If a person's body needs to lose 345 J of energy through sweating, how many kilograms of water in the form of sweat must be evaporated.
Ethylene glycol, C2H4(OH)2, is the main component of antifreeze. What mass percentage of ethylene glycol in water must be used to reduce the freezing point of the mixture to -9.34 deg-C? (K_fp for water is -1.86 deg-C/m).
Determine the limiting reactant if 140 grams of Calcium phosphate combines with 3.63 mol of sulphuric acid and also explain how many moles of calcium sulphate can be obtained?
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
if a liquid has a density or 1.17 g/cm(3) and a mass of 3750 g calculate the volume?
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
The concentration of HCl in a bottle was determined as follows: •3.00 mL of the acid were diluted to 250.00 mL •102.40 mL of the diluted acid were titrated with 0.08212-M NaOH
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
What volume, in liters, of O2 at 35°C and 1.19 atm can be produced from the decomposition of 10.0 g KNO3? 2 KNO3(s) → 2 KNO2(s) + O2(g)
The density of a sodium sulfate solution is 1.07 g/cm3. The solution is 8.00% sodium sulfate by mass. How many cm3 of the solution are needed to supply 4.28 g of sodium sulfate?
If the solution is 40.0% K2CO3 by mass, what is the predicted freezing point of this solution in °C, assuming full ionization.
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