How many grams of ethyl alcohol added to water
How many grams of ethyl alcohol, C2H5OH, must be added to 1.000 kf of water so that the solution will not freeze until -20 degrees C? For water, Kf= 1.86 degrees C/m.
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Calculate the molar concentration of H+ ions in a solution made by diluting 25 mL of 0.1 M HNO3(aq) to 500 mL with pure water.
The method of initial rates involves substituting the initial reactant concentrations into rate calculations. When you do the experiment, you will be given KMNO4 and H2C2O4 solutions of know concentrations.
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How many grams of ethyl alcohol, C2H5OH, must be added to 1.000 kf of water so that the solution will not freeze until -20 degrees C?
Pure aluminum is ductile metal withlow tensile strength and hardness. Its oxide Al2O3 (alumaina) is extremenly strong, hard, and brittle. Can you explain this difference from am atomic bonding point of view?
However, if you mixed them together and took the melting point, it would not be 140.1 - 140.4 °C. Why not? What would happen to the melting point and the range?
How many electrons must be gain or lost by each element to achieve a noble gas configuration of electrons. ( answer selection : Gain or lost)
Without prejudice toyour answer to part a. explain why the company might choose to use a cost of capital of 13% to evaluate capital expenditure opportunities.
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