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A 10.0 mL sample of aqueous HCl requires 24.32 mL of 0.134 M NaOH to reach the endpoint. What is the molar concentration of HCl? The equation for the reaction is:
NaOH + HCl -- NaCl + H2O
What mass of carbon dioxide is produced from the complete combustion of 6.20×10?3 of methane
Oxygen at 25 degrees C and a pressure of 1000 torr. At STP 1 mol of gas occupies 22.4 L What is the volume in liters of the oxygen gas in the cylinder?
Suppose that a nuclear reactor is full with 1 million liters of contaminated (radioactive) water. Flushing of the contaminated water by flowing-in uncontaminated water at a rate of 1000 liters per day is being considered.
The conversion of methane to ethane is done by reacting the methane with oxygen and it produces water as well as ethane. write the equation and calculate K for the reaction at 25c and 500c. Explain how the reaction is an example of driving a non-s..
Construct the molecular diagram for the system of a delocalized 1,3,5,7-cyclooctatetraene. What does this predict about this system. Is there a more stable arrangement for the bonds
The average human body contains 5.00 L of blood with a Fe2+ concentration of 1.40x10^-5 M. If a person ingests 7.00mL of 11.00 mM NaCN, what percentage of iron(III) in the blood would be seperated by the cyanide ion
At 25o C, the solubility of magnesium hydroxide Mg(OH)2 in water is 0.00429 grams per Liter. Calculate the Ksp for the compound. [NOTE that there are two moles of OH- per mole Mg(OH)2.]
considering the given equation c2h4g hclg c2h5clg change in h -72.3 nbspif nbsp89 grams of c2h4 ethylene and 130 grams
If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 20.5 mL of distilled water, what should the absorbance of the new solution be
A 15.0 g piece of iron (Cp = 25.09 J/mol-C) is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-C). What was the final temperature of the two pieces of metal?
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O.
In a certain experiement, 4.6 g Al is reacted with excess oxygen and 6.8 g of product is obtained according to this reaction: 4 Al + 3 O2 --> 2 Al2O3 What is the theoretical yield for this reaction
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