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In one of the neutron-induced fission reactions of U-235(atomic mass = 235.043922 ), the products are Ba -140 and Kr-93 (a radioactive gas). What volume of Kr-93(at and 1.0 ) is produced when 1.80 g of U-235 undergoes this fission reaction?
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 52.0 mL of 0.125 M HF and 78.0 mL of 0.0465 M NaOH
At 1478 oC the equilibrium constant for the reaction: 2 IBr(g) ? I2(g) + Br2(g) is KP = 0.899. If the initial pressure of IBr is 0.00169 atm, what are the equilibrium partial pressures of IBr, I2, and Br2? p(IBr) = . p(I2) = . p(Br2) = .
If the flask has a volume of 0.150 L, what is the minimum mass of PH3BCl3(s) that must be added to the flask in order to achieve equilibrium?
A mixture containing 3.7 moles of NO and 0.88 mole of CO2 was allowed to react in a flask at a certain temp according to the equation
Propose the kinds of attractive forces that might bind congo red to cotton fabric.
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
Will the yeast cells or the corn seedling have a higher metabolic rate when compared on a mass specific basis (in moles ATP/gram organism x hr)?
Assuming the octet rule is obeyed, how many covalent bonds will a nitrogen atom form to give a formal charge of zero
Determine molar mass for this compound and oxidation state of lead in it. write the oxide formula of lead for the corresponding oxidation state
Calculate the molarity of an aqueous NaOH solution if 30.10ml of .500M H2SO4 is required to reach the end point when titrated against 10.00mL of NaOH solution.
A ten L Dewar containing liquid nitrogen tips over in your car while you are transporting it. If it completely vaporizes what volume of Nitrogen gas will be produced at 1 atm and 20 degrees C
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