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Propylene glycol is a non-volatile di-alcohool that is used for de-icing of aircrafts on the ground. What is the minimal volume of propylene glycol that will be required per square meter of aircraft surface to remove a 3mm ice sheet if the temperature of the air is -5 degrees celsius.
density of propylene glycol is 1.04 g/ml
molar mass of propylene glycol is 76 g/mol
density of water is 1 g/ml
molar mass of water is 18 g/ml
delta H of fusion for water is 6.01 kJ/mol
What is the total pressure of a mixture of gases made up of CO2, O2, and H2 if the partial pressures are 2.2atm, 400mmHg and 112kPa respectively.
Calculate the de Broglie wavelength of a neutron moving at 1.17% of the speed of light. _____m
Determine the Keq for the reaction of benzoic acid with 4-nitroaniline.
Can someone please provide both a CNMR and HNMR interpretation table for secbutylbenzene WITH labeled structures for each?
If 3.93 g of sodium borohydride contains 2.5 × 10^23 H atoms, how many moles of H are present in 36 cm^3 of sodium borohydride (of density 1.074 g/cm^3)? Answer in units of mol
A helium-filled weather balloon has a volume of 815 L at 22 oC and 752 mmHg. It is released and rises to an altitude of 7.16 km, where the pressure is 364 mm Hg and the temperature is -25oC
which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C
What mass of sodium hydrogen carbonate is needed to make the buffer solution 0.10 M in sodium hydrogen carbonate? pH is 10.1 pka is 10.33.
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
A mass of mercury occupies .750L. What volume would an equal mass of ethanol occupy if mercury's density is 13.546 g/mL and the density of ethanol is .789 g/mL?
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
How well do your thermometer readings agree with the accepted values for the freezing point and boiling point of water? Express any discrepancy as a deviation in degrees.
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