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In designing an experiment for determining the value of absolute zero, should you aim to use a large or a small initial volume of gas? Explain why
Find the mass of barium metal (in grams) that must react with to produce enough barium oxide to prepare 1.0 of a 0.15 solution of.
The work function of copper is 437 kj/mol. Calculate the KE of the ejected electron if the frequency of light is 1.50*10^(15) Hz.
80.0 of is initially at room temperature 22. a chilled steel rod at 2 is placed in the water. if the final temperature
Calculate and compare the rms speeds of CO and Cl2 at 300. K. rms speed of CO m/s rms speed of Cl2 m/s
The molar mass of HCl is 36.5 g/mol, and the average mass per HCl molecule is 36.5 amu. Use the fact that 1 amu = 1.6605 * 10-24g to calculate Avogadro's number.
One piece of copper jewelry at 108 degrees Celsius has exactly twice the mass of another piece, which is at 44 degrees Celsius. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside the ca..
if the half reaction at an electrode is the reduction of zinc fromzinc 2 ions how many grams of zinc would be produced
Can you please show me how to solve this. I do not need just a numerical answer! Thank you! A solution containing HNO2 has pH=3.40 at equilibrium. Calculate the amount of HNO2 present in 575ml of this solution Ka=4.0x10exp-4
For the titration of 87.95 mL of 0.1311 M NaOH with 1.2586 M HBr, find the pH equivalence point (ve) in mL of the solution within the receiving flask when 0 mL of HBr is added.
Potassium-40 decays to argon-40 with a half life of 1.27E^9 yr. what is the age of the sample that has a mass ratio of 40 Ar to 40K of 0.712
If pure NOCL heated to 240C in 1 liter as well as at equilibrium the total pressure is 1atm and the pressure of NOCL is .64 atm 2NOCL(g) 2NO(g) + CL2(g)
The reaction for the combustion of solid sulfur is given below: What is the change in enthalpy for this reaction in kJ/mol if the calorimeter constant was measured to be 7.86 kJ/C.
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