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Question: Consider the following table of measurements of pressure vs. volume for air in a closed volume at room temperature,
Pressure Volume (kPa) (cm3)
90.9 24.89
73.6 30.73
59.5 37.93
a. Show that these data obey Boyle's law.
b. How many molecules are there in this volume? Show how you got your answer.
c. What is the rms velocity of the oxygen molecules in this sample of air? Explain how you got your answer.
d. If the temperature is increased by 15%, by how much does the rms velocity of the oxygen molecules change? Explain.
A carnot cycle engine is operated between a high temperature of 500K and at a low of 3000K. The work done is 800J. how much heat
How many grams of dry need to be added to 1.50 of a 0.600 solution of ammonia, , to prepare a buffer solution that has a of 8.59? for ammonia is.
which concept would explain why the carbon to carbon bond lengths in benzene c6h6 are identical? ahybridization blondon
How many grams of product result from the following reactions, and how many grams of which reactant are left over
From this information and the atomic mass, calculate the edge length of the unit cell. Now assume that rubidium atoms are spheres. Each corner sphere of the unit cell touches the body centered sphere. Calculate the radius of a rubidium atom.
At 720'c the equailibrium constant Kc for the reaction below is 2.37*10^-3. If the constant of materials is [N2]=0.638M [H2]=8.80M and [NH3]=3.65M, predict if the equilibrium will have a net reaction to the right(toward products) or to the left(to..
a chemistry student needs of 40 ml chloroform for an experiment. by consulting the crc handbook of chemistry and
Neglecting any effects caused by volume changes, would you expect the ionic strength to (1) increase, (2) decrease, or (3) remain essentially unchanged by the addition of iron(III) chloride to
A water sample is measured to have alkalinity of 130 mg/L as CaCO3 at pH=9.2, what are the concentrations of the three carbonate species
Consider the reaction that occurs when a CLO2 solution and a solution containing hydroxide ions (OH-)are mixed at ) degree celcius @CLO2(aq)+ 2OH-(aq)-----CLO3-(aq) + CLO2- (aq) + H2O(l)
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.200 M NH4Cl solution.
Calculate the maximum bond extension in Angstroms past equilibrium in HCl35 in its first excited vibrational state. The fundamental absorption frequency of this molecule is 2885 cm-1.
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