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If you do 1J of work pulling on a rubber band, what amount does the internal energy of the rubber band change?
A sample of drinking water collected from a suburban Boston municipal water system in 2002 contained 0.45 pCi/L of radon. Assume that this level of radioactivity was due to the decay
it takes 48.0 j to raise the temperature of an 10.7 g piece of unknown metal from 13.0 degree celsius to 25.0 degree
What is the volume in mL of 0.185 M HCl(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration of 47.0 mL of 0.196 M N2H4(aq) (Kb = 1.7 x 10^-6).
Calculate the theoretical pH of TRIS at pH 8 at 0 degrees C . Assume room temperature is 22 degrees C .
home ice cream makers use ice to cool a concentrated nacl solution below the normal freezing point of water. what
when 1.535 g of methanol ch3oh was burned in a constant-volume bomb calorimeter the water temperature rose from 20.27oc
The rate constant of a chemical reaction increased from 0.100s^-1 to 2.90s^-1 upon raising the temperature from 25.0 degree celcius to 43.0 degree celcius
calculate the weight of sodium hypochlorite, NaOCl.
Molecular Mass by Freezing point Depression (Preliminary Lab).
What is the net ionic equation of the reaction of FeCl2 with NoOH ? Express your answer as a chemical equation.
The freezing point of ethanol (C2H5OH) is -114.6 degrees Celcuus. The molal freezing point depression constant for ethanol is 2.00 Celcius/m. What is the freezing point (celcius) of a solution prepared by dissolving 50.0 g of glycerin
A solution is composed of ethanol and water. The solution density is 0.964 g/mL. The partial molar volume of ethanol and water is 52.0 mL/mol and 17.0 mL/mol respectively. What is the composition of liquid by mass
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