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To obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. Calculate the mass of propylene glycol required to replace 7.00gal of ethylene glycol. The density of ethylene glycol is 1.12 .
If the solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 202 kPa.
Consider 25.0 g of water at 21.7°C that are mixed with 25.0 g of water at 43.3°C in a foam cup calorimeter. The equilibrium temperature reached was 30.4°C.
what is the total mass in grams of a series of samples that have masses of 753mg,
Use a molar mass of 800g/mol for the vegetable oil and use a density of 0.88g/mL for vegetable oil and 0.79 g/mL for methanol to calculate how many moles of ethanol are used.
If 200 mL of 0.300 M Cr(NO3)3(aq) is added to 100 mL of 4.0 × 10^-4 M NaF(aq) at 25 degrees celcius, will a CrF3 precipitate form? For CrF3 in water at 25°C, Ksp = 6.6 × 10^-11.
A particular brand of gasoline has a density of 0.737 g/mL. How many grams of this gasoline would fill a 14.4 gal tank?
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 g of H2S are used in the above reaction, what will be the theoretical yield of water in grams.
If a piece of Calcite (Calcium Carbonate) is put into the lake, would it tend to dissolve? Calcium carbonate solubility is 10^-8.35 M2, and the measured concentration of calcium ion is 0.1mM (millimolar)
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
Calculate the mass of ascobic acid in the whole tablet( use mass of whole tablet) c) Calculate the %error in the mass of ascobic acid in one whole tablet
Identify the limiting reagent and the volume of CO2 formed when 11L CS2 reacts with 18L O2 to produce CO2 gas and SO2 gas at STP.
What is the pH of the buffer after the addition of 0.02 mol of NaOH? C)What is the pH of the buffer after the addition of 0.02 mol of HI? Express Numerically
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