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What is statistics about and why does everyone complain that it's hard?
Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUV from 0 to 67.0mph . Assume that the required energy comes from the combustion of octane with 30% efficiency.
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
Problem- Calculate Delta S of the universe and Delta G of the system for the change in state that occurs when 2mol of an ideal gas at 300K occupying a volume of 24.6L expands isothermally against an opposing pressure of 1atm to reach equilibrium.
a 19 ml sample of a solution of li2s was diluted with water to 76 ml. a 25ml sample of the dilute solution was found to
Lauryl alcohol, C12H25OH, is prepared from coconut oil; it is used to make sodium lauryl sulfate, a synthetic detergent. What is the molality of lauryl alcohol in a solution
How many milligrams are in 0.2 decigrams?
When 24 mL of a 190 mL stock solution containing 1.8 M BaF2 is diluted to 78 mL, what is the concentration of Ba2+ in the new solution?
what masses of NaCl and water are needed to prepare 1000g of a solution that is 0.90% by mass
The following alcohol has been subjected to acid-catalyzed dehydration and yields a mixture of two isomeric alkenes. Draw the two alkenes, the major and minor product as predicted by the Zaisev rule.
Cyclobutadiene (1) can be hydrogenated to give cyclobutane (2). Similarly, cyclobutene (3) can also be hydrogenated to give cyclobutane. Which statement is accurate? I was told to ignore differences in angle strain between 1 and 3 for the purposes ..
A 2.35 g sample of KClO3 is reacted. How many mL of O2 gas is produced at a pressure of 740. mmHg and a temperature of 25 °C? 2KClO3 (s) → 2KCl (s) + 3O2(g)
the acetylsalicylic acid into sodium acetylsalicylate but not give excess of sodium hydroxide in your solution? sodium hydroxide has a molecular weight of 40.00grams/mole
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