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I have 3 forms of a chemical BH+(aq), B(aq), B(organic), and other Ions H+(aq), OH-(aq), Na+(aq),Cl-(aq) in a solution. What would the charge balance be?
Assume that each photon has sufficient energy to eject one electron. (Note currents are reported as positive values.)
An exothermic reaction liberates 7.58 kJ of heat in a coffee cup calorimeter containing 157 grams of solution. The temperature of the solution in the calorimeter increases by 11.2°C. How much heat was absorbed by the calorimeter? Assume the specif..
what will the equilibrium concentrations of all 4 substances be? FAlways start by writing expression for Keq FThink about what will happen. Which concentrations will increase? Decrease?
Given the balanced equation: C2H4 + 3O2 → 2CO2 + 2H2O How many liters of CO2 are produced when 15 liters of O2 are consumed?
A saturated solution of silver(I) hydroxide, AgOH has a pH of 10.15. What is the value of the equilibrium constant, Ksp, for this system?
Treatment with cyanogen bromide, which cleaves at M, resulted in two fragments: a pentapeptide containing two K residues and a tripeptide containing V, G, and A. (The residues are not listed in any particular order.)
State whether each of the following experimental errors would raise or lower the mass of the recovered product:
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v.
The normal boiling point of actone is 56.2 C and the molar heat of vaporization is 32.0 kJ/mol. At what temperature will acetone boil under a pressure
What mass of carbon dioxide is produced from the complete combustion of 6.20×10?3 of methane
Which of the seven cations will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
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