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The antifreeze in a car was a 50% by weight solution of ethylene glycol C2H6O2 in water.Calculate the boiling point and freezing point of this solution. (for H2O: Kb= 0.52 C/m... Kf=1.86 C/m
1.50 g of nh3 react with 2.75g of o2 which is the limiting reactant? How many grams of excess remain after the limiting reactant is completely consumed?
Assume ideal gas behavior and that the heat capacity is not temperature dependent
If, in a certain experiment, over a specific time period, 0.0035 mol PH3 is consumed in a 2.0 L container during each second of reaction, what are the rates of production of P4 and H2 in this experiment?
The pressure and colume are simultaneously increased so that at every instant P and v are related by the equation, P = Av, where A is a constant.
Why is it possible to us ehtnol to extract an organic compound from water even though most organics are more soluble in ethanol than in water?
If there is a phasechange you need to then write a net ionic equation and list the spectator ions barium chloride plus silver nitrate equals barium nitrate plus silver chloride
How many grams of Na3PO4 will be needed to produce 400ml of a solution that has a concentration of Na+ ions of 0.900 ?
Reactions of Alcohols, Show how ethanol and cyclohexanol may be used to synthesize cyclohexyl ethyl ether using tosylation followed by Williamson ether synthesis.
When 0.228 g of the hydrate ZnSO4•xH2O is heated, 0.128 grams of anhydrous ZnSO4 remains. What is the value of x in the formula for the hydrate?
The solutions mixed together are 51.7 mL of 0.110 M hydrochloric acid, 102.4 mL of 0.213 M of nitric acid, 500.8 mL of 0.0101 M calcium hydroxide, and 201.7 mL of 0.114 M rubidium hydroxide. Did the acids and bases exactly neutralize each other?
Calculate the initial volume of a sample of a gas if its final volume is 344 mL after being heated from -10 °C to 40 °C.
what is the underlying electronic reason for all periodic trends?
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