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In the experiment, sodium bisulfite solution is added at the end in order to destroy the unreacted bromine. What reaction is occurring here? Is HSO3- acting as an oxidizing or reducing agent? Write a balanced equation as part of your answer
hydrazine n2h4 is used as a rocket fuel. it reacts with oxygen to to form nitrogen and water.a. how many grams of
The molar enthalpy of vaporization of water is 44.012 kJ mol-1. Under an applied pressure of 1 atm, water boils at 373.15 K. The safety value of a kitchen pressure cooker is set to release when the pressure reaches 2 atm
A system comprised of chloroform, 1,4-dioxane, and ethanol exists as a two-phase vapor/liquid system at 50 degrees C and 55 kPa.
If 42.1 mL of 1.02 M sodium hydroxide, measured using a graduated cylinder, is placed in a beaker filled with 300 mL of DI water, what is the concentration of the diluted NaOH solution
Describe the type of bonding that your unknown has (covalent, polar covalent). Locate and show any dipoles in your compound
Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.12M HF, 0.12M NaF, and a mixture that is 0.12M HF and 0.12M NaF.
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
If 2 x 10-4 moles of S2O82- in 50 mL solution are consumed in 188 seconds, what is the rate of consumption of S2O82-
A constant current of 5.00mA is allowed to flow through an electrochemical cell for 528 seconds as Ag+ is reduced to silver metal from 100.0mL of an aqueous sample.
A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.
a copper wire is strectched with a stress of 10ksi at 20deg C. If the length is held constant, to what temperature must the wire be heated to reduce the stress to 5ksi
Calculate the ph change when 25 ml of 3.0 M HCl are added to 500 ml of a solution that is 0.10 M CH3COO
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