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An electron has an uncertainty in its position of 499 pm, What is the uncertainty in its velocity?
according to the given reaction c2h5oh3o2 reacts with 2co23h2o a 35.6g sample of ethanol c2h5oh is burned a bomb
If 21.00 mL of 0.0950 N NaOH solution is used to titrate 28.75 mL of H2SO3 to the first equivilance point, what is the molarity
An atomic emission spectrum of hydrogen shows the following three wavelengths: 1875nm, 1282nm, and 1093nm. Assign these wavelengths to transitions in the hydrogen atom.
Explain Tertiary treatment of waste water to reduce water pollution.
n evacuated 1.00L gas bulb was filled at STP with 1.34g of an unknown hydrocarbon, which was then burned in excess oxygen, completely converting it to Carbon dioxide and 2.41 g of water. What is the molecular formula of the hydrocarbon
Find the mass of sodium required to produce 5.68 L ofo hydrogen gas at STP from the reaction described by the following equation: 2Na+2H2O-->2NaOH+H2
This question has been asked several times and there appaer to be two different answer and no clear answer on who is right. (One response says the answer is wrong) Calcutlate E red involving Pd
as a chemist for an agricultural products company you have just developed a new herbicideherbigon that you think has
compute the amount of heat needed to completely sublime 43.0 grams of solid dry ice at its sublimation temperature. the
Calculate the change in pH when 9.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Question- If 3.50g of CuSO4 are dissolved in 7.5 x 10^2 ml of 0.50 M NH3 solution, what are the concentrations of Cu 2+ , Cu(NH3)4 2+, and NH3 at equilibrium? The formation constant for , Cu(NH3)4 2+ is 5.0 x 10^13 Cu 2+ = ? Cu(NH3)4 2+ = ? NH3 = ..
Problem- Which reagent can affect the following transformation? I think a and b can do the same thing although I'm not sure why one nitro group reduces down to nh2 and not both nitro groups in the transformation.
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