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Describe an experiment using only hot and cold water that would enable you to verify that the heat capacity of your coffee-cup calorimeter is about 1.0x 10 1J/degrees C. Be specific?
ethanol ch 3ch 2oh is mixed to gasoline to form e85 a fuel for automobiles engines. when c2h5oh 3o2 produces 2co2
Calculate the change in pH when 5.00 mL of .100 M HCL is added to 100 mL of a buffer solution
Calculate the amount of heat required to raise the temperature of 100.0g of water from -0.10 C to +0.10 C
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
You transfer a sample of a gas at 17*C from a volume of 5.67L and 1.10atm to a container at 37*C that has a pressure of 1.10atm. what is the new volume of the gas?
Let's say that you are given a 0.215g of unknown weak acid and asked to dilute with 75 mL of DI water. You then use a standardized 0.125 M NaOH to titrate the unknown acid solution
Balance the following redox reaction if it occurs in acidic solution. What are the coefficients in front of Cd and Ag+ in the balanced reaction. Cd(s) + Ag+(aq) ? Ag(s) + Cd2+(aq)
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.)
When 54.01 g of Ba(NO3)2 is dissolved into a total volume of 3.23L of solution.
When hcl and nahco3 are mixed together, a chemical reaction takes place in which a gas is one of the products. What is the molar mass of a sample of gas
How much heat is evolved when 239 g of ammonia gas condenses to a liquid at its boiling point?
a 255- flask contains pure helium at a pressure of 754 . a second flask with a volume of 470 contains pure argon at a
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