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To obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol. Calculate the mass of propylene glycol required to replace 9.00 gal of ethylene glycol. The density of ethylene glycol is 1.12 g/mL.
Organic Chemistry Lab: Reduction and Spectroscopy, 1. Sketch the NMR spectrum you would expect to observe for the following compounds:
A 2.50 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 180°C, what is the molecular weight of the solid.
Table salt and sugar are accidentally mixed A 4.90 g sample is burned and 2.20-g of CO2 is produced What is the mass percentage of salt in the mixture?
Formation of molecules in a reaction, Using the reaction of hydrogen chloride (hydrochloric acid) and calcium hydroxide to produce water and calcium chloride answer the following
how many grams of sodium acetate must be added to 1.00 L of a .200 M acetic acid solution to form a buffer of 4.20? Ka value for acetic acid is 1.8x10^-5.
If the reaction is allowed to proceed until all substances have reached their equilibrium concentrations, determine delta G for the reaction.
At 900 K the following reaction has Kp = 0.345. 2 SO2(g) + O2(g) 2 SO3(g) In an equilibrium mixture the partial pressures of SO2 and O2 are 0.165 atm and 0.755 atm, respectively.
what are the structural formulas for the following compound : 6-bromo-2-methyl-3-heptyne
Determine which girl has the solutions at the concentrations desired and Girl A dilutes 10 mL stock solution to a final volume of 20 mL. Girl B dilutes 10 mL stock solution to a final volume of 40 mL.
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
what volume of hydrogen at STP is produced from the reaction of 50.0g of Mg and the equivalent of 75g of HCl?
Calculate the entropy change when argon at 25 °C and 1.00 bar in a container of volume 0.500 dm3 is allowed to expand to 1.000 dm3 and is simultaneously heated to 100 °C.
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