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in a sodium borohydride reduction experiment is the reaction exothermic or endothermic and why?
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
A 25.0 g sample of pure iron at 85.0°C is dropped into 75 g of water at 40.0°C. What is the final temperature of water-iron mixture?
Steam locomotives in the 1950s burned coal containing sulphur which released sulphur dioxide into the atmosphere. Scrubbers could have removed SO2 from flue gases by reaction with calcium carbonate,
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
An airplane is pressurized to 650 mmHg, Which is the atmospheric pressure at a ski resort at 1.30 * 10^4ft alt?
solution is needed to just neutralize excess acid after 20 mL of 0.500 M HCL was added to 1.00 g of the antacid, how many moles of acid can the antacid counteract per gram?
How much energy is released in (kJ) in the fusion reaction 2^H to yield 1 mol of 3^He? The atomic mass of 2^H is 2.0141 amu, and the atomic mass
when 7.00 moles of gas A and 3.00 moles of gas B are combined, the total pressure exerted by the gas mixture is 1.0 atm. What is the partial pressure exerted by gas a in this mixture
Determine the gram-formula mass of the product of this reaction. Include proper units.
Find the total pressure for a mixture that contains four gases with partial pressures of 5.38 kPa, 4.52 kPa, 3.16 kPa, and 1.23 kPa.
Draw the bondline structures of the isomers of this compound in the manner requested: Its diastereomer C, its optically active isomer D.
Write the reactions responsible for the LIQUID PHASE oxidation of S(IV) to S(VI), and show how the oxidation can lead to a decrease in pH of rain water.
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