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What volume of a 3.0 M H2So4 solution is required to just neutralize 10.0 mL of a 4% solution of borax? Calculate the number of [CH2CHOH] monomer units in the average strand of PVA (78,000 g/mol). Calculate the number of [CH2CHOH] monomer units in the average strand of PVA (78,000 g/mol).
What is the molecularity of the following elementary reaction? NH2Cl(aq) + OH¯(aq) -> NHCl¯(aq) + H2O(l)
The [OH-] = 1.3 x 10^ -6 M for a 0.025 M solution of a weak base. Calculate the value of Kb for this weak base.
How many moles of CO2 will be produced in the combustion reaction starting with the 15.02 grams of ethane.
A sample of gas is confined to a cylinder housed with a movable piston. The gas occupies a volume of 1.8 L at 1.8 atm and 25°C. Calculate the volume of the gas sample if the pressure is increased to 8.6 atm at constant temperature.
what is the molarity of a solution when 2.25g NaF is dissolved in enough water to make 250mL of solution
A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 161 J of heat from the surroundings. Calculate the change in energy of the gas.
In the haloform reaction, once the first alpha-hydrogen atom is replaced by a halogen atom, each successive hydrogen is more easily substituted
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
A gas has a volume of 10 L at 0 degrees C. What is the final temperature of the gas in C if its volume increases to 27 L? Assume that amount of the gas and its pressure remain unchanged.
Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.
Calculate k, Calculate also how long it would take for half of A to react. assume pseudo first order with k'=k[OH-], since [OH-] is in great excess.
consider a major oil spill in a lake ( a prototype situation related to Alaska Oil Spill few years ago and many subsequent spills) Amount of oil spilled is 2.9 mega gram (Mg).
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