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The compound ethylene glycol, C2H6O2, is widely used as anautomotive antifreeze. What is the minimum weight, in grams, ofthis compound that must be added to 8 kg of water to produce asolution that will protect an automobile cooling system fromfreezing at -20°F (-28.9°C)? Ethylene glycol isa non-electrolyte.
Calculate the equilibrium constant of the reaction I2(g)52 I(g) at 1000 K from the following data for I2: # = 214.36 cm
A pound of coffee beans yields 40 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans?
A voltaic cell is constructed by immersing a strip of silver in a 1.0M AgNO3 solution and a strip of cadmiun metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. Write the balanced half-reaction..
Explain the trend in properties in terms of the nature of bonding oxide and chloride in periodic 3
Do you think you could distinguish between 3-methylcyclohexene and methylenecyclohexane by their GC retention times?
if the heat of neutralization of aqueous benzoic acid is 54.6 kjmol what is the enthalpy of ionization on benzoic
What is the single-particle collisional frequency (for diatomic Nitrogen)at sea level, with 341 and 1.0 atm? The corresponding single-particle collisional frequency is reported as 10^10 s^-1.
What is the relationship between K and Kc?
which of these has the highest vapor pressure in a sealed container at a temperature cool enough to produce a liquid? a). CH2CH2OH b). NCl3 c). H2 D). N2 e). CH2OH
What is the solubility of Ca(OH)2 under these conditions. What is the Ksp for Ca(OH)2 under these conditions
beginning with 150.0 ml of 0.175 m ammonia determine the solutions ph after each of the following stepsa before any
An ethylene glycol solution contains 21.2 g of ethylene glycol in 85.4 ml of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water)
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