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A basketball floats in a bathtub of water. The ball has a mass of 0.5 kg and a diameter of 22 cm. What is the average density of the basketball?
A 10.0 L vessel at 20*C contains butane, C4H10(g), at a pressure of 2.00 atm. What is the maximum amount of work that can be obtained by the combustion of this butane if the gas is first brought to a pressure of 1 atm and the temperature is brough..
Fish produce glycerol to survive the freezing waters of the Arctic. Determine the degree to which the freezing point of blood and other biological fluids is lowered with the help of glycerol. What is the ideal concentration range of glycerol requi..
Explain the characteristics of a single, double, and triple bonds including why they form
A 479-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 12.1 g CO2. What was the concentration of the HCl solution?
at 520 degrees celius the equlibruim mixture in a three cubic decimeter container consists of 0.2 moles of h2 and 0.2 mole i2 , if the equlibrium contant is o.016, calculate the concentration of hyrdogen iodide at equlibrium HI.
Calculate the pH after the following amounts of NaOH are added. A) 0mL NaOH added( before the titration started)
An 8.00 g sample of SO3 was placed an evacuated container where it is decomposed at 600 degrees C according to the following reaction.
What was the initial temperature of the Cu metal If the final temperature of the Cu-H 2 O mixture was at twenty five degree celsius? (The specific heat of copper = 0.377 J/(g°C).)
Calculate the minimum chloride ion concentration needed to initiate precipitation of PbCl2 from a solution that contains 0.01M Pb^2+ (aq).
According to the the table, the driving force is because HCl and SO2 is gases. Check this up with calculate the reaction enthalpy and reaction entropy at 298K. If you need more data will you have to check it up in a table work
The gas was obtained by boiling liquid nitrogen stored in a 180.0 L tank. What volume of N2 is released at 0.955 atm of pressure and 25 degree celsius from a tank full of liquid N2 (d=0.808 g.mL)?
Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.
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