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a)If 50.00mL of propylene glycol has am ass of 51.80g, what is its density in SI units (kg/m^3). b) To obtain the same antifreeze protection requires 76 g of propylene glycol to replace 62 g of ethylene glycol. What is the mass required to replace 1.00 gallon of ethylene glycol (1 quart = 0.9463 L)? c) What is the volume of propylene glycol, in gallons, needed to achieve the same antifreeze protection to replace 1.00 gallon of ethylene glycol?
At a temperature of 425 0C and a pressure of 735 mmHg, how many grams of {NH_3} can be produced when 4.40 L of {NO_2} react.
Thermodynamic Processes. a volume of 20 cu ft of air at pressure of 50 psig is heated and expanded to 30 cu ft and 40psig find the change in the energy of air in joules.
CHEM 354 Extended Problems, The variation of EMF for the cell below with temperature is shown in the graph below.
The partial pressure and Henry's law constants for SO2 and H2O2 are 2.7 ppm (KH = 1.2 mol L-1atm-1) and 4.9 ppb (KH = 1.0E5 mol L-1atm-1), respectively. Calculate the reaction rate of this process.
if you burn 1.5 mol C3H8 according to the following reaction C3H8 +5O2 = 3CO2 + 4H2O how many grams of carbon dioxide are produced.
Determine How many mg of a 298 mg sample remains unreacted after twenty three days if 32P decompose by a first-order mechanism, half-life = 14.3 days.
The average radius of a molecule of lysozyme, an enzyme in tears is 1430pm,what is the radius in nanometers.
di ethyl ethal is a volatile, highly inflammable organic liquid that is used mainly as a solvebt. the vapour pressure of di ethyl ethal is 4.01mmHg at 18 degree celcius.
What is the molarity of a solution of vinegar that is 5.00 % by mass acetic acid (CH3CO2H) and has a density of 1.01 g/mL.
Physical propoerties and intermolecular forces, What type of intermolecular forces accounts for the following differences in each case?
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
Calculate the molarity, Molarity of iron (III) chloride solution
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