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In a popular classroom demonstration, solid sodium is added to liquid water and reacts to produce hydrogen gas and aqueous sodium hydroxide. Write a balanced chemical equation for this reaction.
Calculate the theoretical yield of C2H5Cl when 124 g of C2H6 reacts with 219 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H6Cl and HCl.
How many moles of O2 are needed to consume 0.52 mol of Mg in the following unbalanced reaction? Mg + O2-> MgO
Concentrated ammonia is added to an aqueous solution of copper(II) sulfate. Initially, a white precipitate forms. As more ammonia is added, the precipitate dissolves and the solution becomes a deep bluish-purple
What is the boiling point elevation and boiling point of a solution that contains 1.20 moles of non-ionic solute in 800.0 g of H2O?
For each element listed below, determine the charge of the ion that is most likely to be formed and the identity of the noble gas whose electron configuration is acheived.
A local radio station can be tuned in by dialing your radio to a frequency of 101.5 MHz. Calculate the energy of the wave.
exhales 30.0 times per minute, that the exhaled air is at a pressure of 1.00 atm, and that the air behaves as an ideal gas. Calculate the time in hours before a fire fighter using such an air tank runs out of air.
how much energy would be required to raise the temperature of 75.0 g of water from 25 c to 75 c
describe the difference between what the retina does and what the striate cortex does?
How does the law of definite proportions help to distinguish between a compound of certain elements
Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required 37.5 mL of 0.175 M NaOH to reach the equivalence point (Ka = 1.8 x 10-5).
show the acid catalyzed enamine product formation from 2-butanone and diethylamine
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