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You have a beaker with 100. 00 ml of 0.325 M NaOH solution on your lab bench. Your lab partner pours 100 ml of 0.825M NaoH solution into the beaker. What is the concentration of the solution in your beaker? assume volume is additive).
The reaction of a ketone with R"NH2, and then with H2/Ni would yield?
How much heat is required in kJ to melt 60.7 g of manganese at its melting point? The heat of fusion of manganese is 12.9 kJ/mol
Nitric acid is often manufactured from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming of natural gas, in a two-step process.
when 0.78 g of an unknown gas in contained solely in a 560 ml container the pressure is 780 torr at 5 degrees celcius.
a mixture is 10.0 mole ethyl alcohol 75.0 mole ethyl acetate c4h8o2 and 15.0mole acetic acid. calculate the mass
What is the hydroxide ion concentration of an aqueous 0.00364M caffeine solution. The most basic nitrogen atom in caffeine has aKb of 4.1x10-4.
What volume of gas would you expect to generate from 1 gram of Potassium Chlorate at 250*F? R= .082 L Atm/mole K.
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of PbO2(s) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
An ore sample contains 11% impurity in additon to a mix of CuS and Cu2S. Heating 100g of the mix produces 75.4g of copper metal with a purity of 89.5%. What is weight 5 of CuS and Cu2S in the ore?
An elevator cab and its load have a combined mass of 1600 kg. Find the tension in the supporting cable when the cab, originally moving downward
What would be the effect on the results of mistakenly adding 2.43 x 10^-3g Mg to 4.0mL of 0.1M HCl, rather than to 4.0mL of 1.0M HCl as instructed
How to calculate the theoretical yield for diels alder-synthesis of 1,2,3,4-tetraphenylnaphthalene which is generate from benzyne (anthranillic acid+ isomanyl nitrite) and the presence of 2,3,4,5-tetraphenylcyclopentadienone? Are we going to use ..
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