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How many moles of NaOH are needed to react with 24.36 mL of 0.4921 M oxalic acid solution?
The radioisotope argon-41 is used to measure the rate of the flow of gases from smokestacks. It is a γ emitter with a half-life of 109.2 minutes. Calculate the fraction of an argon-41 sample that remains after one day.
Fischer projections, isomers, enantiomers and stereocenters, For 2,3-butanediol, there are 3 isomers; 2 are enantiomers, one is not.
Indicate how many electrons are transferred in the formation of one formula unit of product
C.A. Yates was given a 50.0mL sample of the weak acid. The known concentration of the weak acid is .25M. After preparing a buret he delivers 25.0mL of the weak acid into a 100mL Erlenmyer flask. He then titrated this solution using a standardized ..
What mass of iron is needed in order to supply the energy needed to warm 15.0mL of water (d= 1.00 g/cm3) from 23C to 37C
Express your answer to three significant figures and include the appropriate units. 0.037 Correct Part B What pressure is required to achieve a concentration of 7.10×10?2 at 20?
From this data, calculate the temperature at which ice is in equilibrium with liquid water.
Concentration Units Conversions, Lethal concentration (50 percent kill): 2,485 mg/m3/4 hour... this is for a rat
2.0 atm H2 and 2.0 atm of CO2 into a 1.00-L container at 25.0C and then raises the temperature to 700C at which Kc=.534 H2 + CO2--> H2O + CO, how many grams of H2 are present at equilibrium.
the dilute acid solution and titrate it with standard solution. You need 19.0mL of the standard solution to reach the end point. what is the concentration of the original acid solution?
Treatment of 2-cyclohexenone with HCN/KCN yeilds a saturated keto nitrile rather than an unsaturated cyanohydrin. Show the structure of the product, and propose a mechanism for the reaction.
What is the molarity of a solution if 4.50 g NaF is dissolved in enough water to make 250.0 mL of solution?
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