Find the molarity of the acid
HCL acid solution is standardized using 0.502g of sodium carbonate. Find the molarity of the acid if 30.5mL are required for the titration.
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Benzoic acid is a monoprotic weak acid with Ka= 6.30 x 10 to the 5 negative. What is the pH of a solution of benzoic acid that is .559M in benzoic acid and has a2.25 X 10 to the 2 negative added?
Calculate the mass of propylene glycol (C3H8O2) that must be added to 637 g of water to reduce the vapor pressure by 4.74 torr at 40°C. The vapor pressure of pure water at 40°C = 55.3 torr.
How much energy in kilojoules is required to change 47.6 g of ice at 0 degrees celsius to liquid water at the same temperature in kilocalories?
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
Assume that we have a 100.g sample of this compound. What are the subscripts in the empirical formula of this compound?
If the reaction Fe2N (s) + 3/2 H2 (g) -> <- 2Fe(s) + NH3(g) comes to equilibrium at a total pressure of 1 atm, analysis of the gas shows that at 700 K and 800 K pNH3/pH2 = 2.165 and 1.083, respectively, if only H2 was present initially with
The solvent benzene has a normal freezing point of 5.5 C if 1.00 g of an unknown dissolves in 20.0 g of benzene gives a solution with a freezing point of 4.2 what is the molecular weight of the unknown?
Calculate the specific heat of molybdenum metal in {rm J/(g cdot ^circ C)}. The specific heat of water is 4.184{rm J/(g cdot ^circ C)}.
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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