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1.a) What is the average velocity of nitrogen molecules at 24o C.
b) At what temperature would oxygen molecules have the same average velocity as the N2 above?
2) If a gas at 24.2o C in 38.5 liters of volume at 565 Torr were changed to 925 Torr and 45.5o C, what would be the resultant volume?
Calculate the number of 5.70m NaOH must be added to 666 ml of a buffer that contains .0205m C2H4O2 and .0260m C2H3NaO2 to increase the ph to 5.75.
he initial rate of reaction of H2O2 -- H2O + 1/2O2 is found to be 1.7*10^-3 M S^-1. Assume that this rate holds for 2 minutes. Start with 165ml of 1.60M H2O2 at t=0. How many milliliters of O2 measured at 24C and 757mmHg
consider a gas at 1.00 atm in a 5.00 l container at 20 degrees celsius. what pressure does the gas exert when
When 2 mol of Potassium Chlorate crystals decompose to Potassium Chloride crystals and Oxygen gas at a constant temperature and pressure
If 80 {rm J} of heat are added to a pure gold coin with a mass of 13 {rm g}, what is its temperature change? Specific heat capacity of gold is 0.128 rm J/g ^circ C.
When hcl and nahco3 are mixed together, a chemical reaction takes place in which a gas is one of the products. What is the molar mass of a sample of gas
how many moles of CO2 are produced when 5.40 mol of ethane are burned in an excess of oxygen
Which of the following is correct regarding an acid-base conjugate pair. a. The conjugate base will have one less proton and one less negative charge. b. The conjugate acid will have one more proton and one less positive charge.
How to improve yield for methyl-m-nitrobenzoate from nitration of methyl benzoate experiment
Identify the conjugate base of HSO4 - in the reaction H2PO4- + HSO4- ? H3PO4 + SO42- A) H2PO4- B) H2SO4 C) H2O D) H3PO4 E) SO42-
Draw a molecular orbital energy level diagram and determine the bond order for each of the following
Which of the following enzymes is used in both glycolysis and gluconeogenesis? A. hexokinase B. pyruvate carboxylase C. malate dehydrogenase D. triose phosphate isomerase E. isocitrate dehydrogenase
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