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A 25.0 g piece of aluminum (which has a molar heat capacity of 24.03 J/ °C..o mol) is heated 82.4 °C and dropped into a calorimeter containing water (specific heat capacity of water is 4.18 J/gC) initially at 22.3 °C. The final temperature of the water is 24.9 °C.
Calculate the mass of water in the calorimeter.
Calculate the mass of the precipitate formed when 2.27 L of 0.0820 M Ba(OH)2 is mixed with 3.06 L of 0.0664 M Na2SO4.
Problem- A solution of 500 uL 8M urea is added to 15.5 mL of aqueous protein solution. What is the final concentration of urea
What exactly does the 1,2 in "1,2 disubstituted" mean? I guess we can only use cis and trans when it's 1,2 disubstituted, but I have no idea what the 1,2 means.
Working on a lab report and need to answer the question: why would any insoluble hydroxide tend to dissolve in acidic solution?
What is the molar concentration of Cu2+ in the unknown solution?
A 890 mL sample of NO2 gas is at STP. If the volume changes to 644 mL and the temperature changes to 20ºC, what will be the new pressure in atmospheres?
Calculate the distances NH3 gas and HCL gas would travel in this experiment if a 100.00-cm tube were used, based on the accepted molar masses of the two gases.
A sample of gas has a volume of 2 liters at 40 degrees celsius. what volume will the gas occupy at 0 degree celsius.
How much additional heat (in Joules) is needed to raise 5 kg of glass by 20 degrees, than 5 kg of gold by 20 degrees?
Determine the end (final) value of n in a hydrogen atom transition, if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 x 10-18 J.
Question- Why would you expect the rate of the reaction of the acetone with iodine to increase with increasing temperature
Since the blades of ice skates are very thin, the pressure exerted by a skater can be quite large. Referring to the phase diagrams for carbon dioxide and water, explain whether a rink can be constructed using dry ice (solid carbon dioxide).
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