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A sample of Nitrogen gas occupies a volume of 3.87 liters at 52.8 degree Celsius and 2.11 atm. What will the new temperature (in degree Celsius) when the volume increases to 4.55 liters and the pressure remains constant?
when 1.50g of ba is added to 100g of water in a container open tothe atmosphere the reaction shown below occurs and the
How much heat is evolved when 1241 g of water condenses to a liquid at 100.°C?
Calculate the slope of the straight line 2. What is the density of the substance 3. Briefly explain why it is more accurate to use the slope of the plot to determine the density than it is to use data from a single determination
Predict whether the entropy change in the system is positive, negative or close to zero for each of the following processes
Assume that the partition coefficient, K, for partitoning of compound A between diethyl ether and water is 3; that is, A preferentially partitions into ether.
A gas at room temperature and at a constant pressure of 1 atm is going to be used to heat a material that is at a cooler temperature. You are offered the option of using 1 mol of argon (Ar) gas or 1 mol of nitrogen (N2) gas for this purpose. Which..
when 24 copper pennies are submerged in water the pennies displace 8.26 cm3 of water. if the combined mass of the
Briefly explain why this indicator changes from red to blue at the equivalence point when titrating a Ca2+ or Mg2+ solution with EDTA.
For a certain gas that contains merely carbon and hydrogen the mass percentage of hydrogen is known to be 14.37. It is as well known that 3.08g of the gas has a volume of 1.00L as well as a pressure of 0.970atm at 50.1 degrees Celsius. Explain w..
Compare the term symbols for the ground state configuration and the first excited state configuration of He. Which term symbol represents the lowest energy state for each configuration
a sealed balloon is filled with 1.00 l of helium at 23 degrees celsius and 1.00 atm. the baloon rises to a point in the
The dried precipitate weighs 10.3g. Calculate the amunt of MgCl2 in the original sample (in weight percent).
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