Calculate equilibrium concentration of h3o in oxalic acid
Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants: Ka1= .059 and Ka2= .000064. Calculate the equilibrium concentration of H3O+ in a 0.20 M solution of oxalic acid.
Expected delivery within 24 Hours
Cortisol, ( M = 362.47 g/mol ), one of the major steroid hormones, is a key factor in the synthesis of protein. Its profound effect on the reduction of inflammation explains its use in the treatment of rheumatoid arthritis. Cortisol is 69.6 % C, 8
A bottle contains 225 mL of insulin at a concentration of 50.0 mg/mL. What is the total mass of insulin in the bottle?
A student mixed 5.00 mL of a nickel(2) chloride solution with 5.00 mL of .100M sodium phosphate and a precipitate formed. How many moles of sodium phospahte were present in 5.00 mL of the solution?
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe? Use the following conversions:
Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants: Ka1= .059 and Ka2= .000064.
Acetylene gas (C2H2) is produced as a result of the reaction CaC2(s)+2H2O(l)-> C2H2(g)+Ca(HO)2(aq) if 13g of CaC2 are consumed in this reaction, how much H2O is needed? answer in units of moles.
a balloon has a volume of 3.00 liters and a temperature of 56.0 celcius.if the volume increases to 7.00 lieters,what is the new temperature in celcius?
A sample of Oxygen is collected in a 206 mL container over water at 15C, and the barometer reads 793 torr. What volume would the dry gas occupy at 704 torr and 15C? Water's partial pressure at 15C is 12.8 torr. Answer in units of mL.
The half life for the first-order decomposition of sulfuryl chloride at 320ºC is 8.75 h. SO2Cl2 (g) → SO2 (g) + Cl2 (g). What is the value of the rate constant k, in s-1?
1927047
Questions Asked
3,689
Active Tutors
1437890
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Jane is doing a study about tattoos. She is interested in studying the idea of the "tramp stamp" (a tattoo in the small of a woman's back).
Question: Which of the following is a criticism of Marxist/conflict theories? Group of answer choices
Question: In which of the following cases does female status tend to be highest? Group of answer choice
Question: Examine gender inequality on a global scale, considering how factors such as globalization, colonialism
When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Question: Cases of local communities using modern technology to preserve and revive their traditions:
Identify problems and concerns that contributed to the many race-related protests and unrest during the 2020 year.