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If 26mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? 2NaHCO3+H2SO4=Na2SO4+2H2O+2CO2
when using a rotary evaporator, the water bath is typically kept at a temperature below the normal boiling point of the solvent to be evaporated
A sample of neon has a volume of 780 mL when it is at a pressure of 751 mmHg. What will be the volume when the pressure is increased to 1389 mmHg?
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
How many moles of NH4NO2 would be required to form 25 grams of N2 in the following reaction
methyl amine (CH3NH2 Kb= 3.6x10^-4) with 25.0 mL OF 0.10 M benzoic acid (C6H5COOH Ka = 6.3x10^-5), will the resulting solution be acidic, basic, or neutral?
Calculate the energy (J) of the photon emitted when an electron in the hydrogen atom falls from n=6 to n=1. Use 2.178 x 10-18 J for the constant in the Bohr equation.
A canister is filled with 380g of ice and 100. g of liquid water, both at 0 C. The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed?
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
Calculate the amount of solution (g or mL) that contains each of the following amounts of solute. Express the answer to two sig fiugres and include the appropriate units.
Analysis of corrosion mechanisms and preventative measures
Then the gas is cooled at a constant volume of 25.0L back to its original temperature. Then it contracts back at a constant tempurature to its original volume. Find the total heat flow for the entire process.
Consider the electronic transition from n = 4 to n = 1 in a hydrogen atom, and select the correct statement below.
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