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Write the cell reaction for the combination of these half-cell reactions that leads to the largest positive cell emf How do I do that only given half reactions?
What particle is emitted if Cobalt-59 decays to Iron-59. alpha particle beta particle neutron positron
Assume that 29.0 mL of a 0.10 M solution of a weak base B that accepts one proton is titrated with a 0.10 M solution of the monoprotic strong acid HX.
Which of the following combinations would be the best to buffer an aqueous solution at a pH of 5.0? H3PO4 and H2PO4- (Ka=7.5e-3) HNO2 and NO2 (Ka=(4.5e-4) CH3CO2H and CH3COO (Ka= 1.8e-5) H2PO4 and HPO4 (Ka=6.2e-8)
Determine how do you find out the new freezing point of a solution if given the formula is Delta T = m x kf x i but how do you find it how does it work?
an extended source is spherical in shape with a radius of 2.00 cm and emits 12.57 w from 399.5 to 400.5 nm. determine
Dimethyl ether and ethanol are structural isomers of C2H6O. Which one will have a higher boiling point? Explain why and do the same for their melting points.
Which of the following reasons is most important in explaining why butanol, CH3CH2CH2CH2OH , has a higher boiling point than butane, CH3CH2CH2CH3. 1.Butanol molecules are subjet to dipole-dipole forces
An organic liquid is a mixture of methyl alcohol and ethyl alcohol. A 0.220g sample of the liquid is burned in an excess of O2(g) and yields 0.342 g CO2(g). What is the mass of methyl alcohol in the sample?
given the following reactionnbspuse stoichiometry to answer the following questionsnbsp4fe s 3 o2 g rarr 2 fe2o3 s
An experiment shows that a 250 mL gas sample has a mass of 0.430 g at a pressure of 728 mmHg and a temperature of 26 C. What is the molar mass of the gas?
5 gram of solid calcium sulfate is added to 1 leter of pure water. what is the soncentration of dissolved sulfate once equilibrim is achieved
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment
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