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Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of a 1.60 - mg mosquito moving at a speed of 1.50 m/s if the speed is known to within +/- 0.01 m/s.
The sulfide content in a pulp plant effluent is determined with a sulfide ion-slective electrode using the method of standard additions for calibration.
A piston has an external pressure of 11.0 rm atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.460 liters.
2 FeBr3(aq) + 3 Na2CO3(aq) Fe2(CO3)3(s) + 6 NaBr(aq) what is the net ionic eqation for this molecular equation.
Find the empirical formulas for compounds with the following compositions: a. 8.74% magnesium, 91.26% iodine b. 36.86% nitrogen, 63.14% oxygen
What minimum volume of sulfur dioxide at STP would be necessary to produce 82.5 kg of sulfur?
If 8.00 kJ of heat are added to 200. g of water at 20.0 C, what is the final temperature of the water?
The activation energy of a certain reaction if 65.7kJ/mol. How many times faster will the reaction occur at 50 degrees Celsius than at 0 degrees Celsius? State the assumptions you need to make in order to perform this calculation.
what volume of hydrochloric acid solution of 0.25 m must be diluted to prepare 1.00 l of 0.040 m hcl?a 3.0-l flask
A reaction has an equilibrium constant of 8.2 X 10^3 at 298 K. At 764 K , the equilibrium constant is 0.53. Find Delta H rxn for the reaction.
Using IUPAC substitutive nomenclature rules, write the name of the major organic product when 1-propanol reacts with concentrated sulfuric acid under heated conditions.
A 4.70 g nugget of pure gold absorbed 260 J of heat. The initial temperature was 28.0°C. What was the final temperature.
When you analyze the proteins by electrophoresis, you find that protein B moves further towards the positive end of the gel. Explain if this result is consistent with your hypothesis about the difference between the two proteins.
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