Determine the total number of moles of oxygen
given the balanced equation representing a reacction:
2C2H6+7O2=4CO2+6H2O
determine the total number of moles of oxygen that react completely with 8.0 moles of C2H6.
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Calculate the expected pH of a 25.0 ml solution of 0.200 M acetic acid that is being titrated with a 0.100 M solution of NaOH at any point in the region II of the titration. (Ka of CH3COOH = 1.8 x 10^-5)
A compound is 40.0% C, 6.70% H, and 53.3% O by mass. Assume that we have a 100.- g sample of this compound. What are the subscripts in the empirical formula of this compound?
A solution is made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 50.00mL of solution. What is the molar mass of (NH4)2SO4?
A metal container holding xenon gas (Xe) has a pressure of 458 torr at 20 degrees celcius. At what temperature will the pressure be 1.00atm?
A graduated cylinder contains 138 of water. A 12.0 piece of iron (density = 7.86 ) and a 22.0 piece of lead are added. What is the new water level in the cylinder?
An unknown sample of N2+ gave a current of 2.36µA in an electrochemical analysis. When 0.500 mL of solution containing 0.0287M N2+ was added to 25.0 mL of unknown, the current increased to 3.79 µA.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult