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Calculate the concentration of H30+ in a solution that contains 5.5 x 10 to the -5 M OH- at 25 degrees C. Identify the solution as acidic, basic, or neutral.
what will be the pressure of the gasesous water in a 4.25 L flask at 30.0 degrees celcius.
Equal volumes of 0.1 M solutions of KOH and HNO3 are mixed. What is the pH of the resulting solution
Using curved arrows to show the flow of electrons and being careful to balance mass and charge for each step, provide a mechanism for the reaction below that show how both products are formed
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
at ordinary body temperature 37 c the solubility of n2 in water in contact with air at ordinary atmospheric pressure
Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cell, label anode and cathode, and indicate the direction of electron flow
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 7.0X10^-2 M NaOH.
Hemoglobin has a positive charge of +5 and a radius of 3.55 nm in water. How far will the protein travel in one hour in an electrophoresis gel at 25C when a field of 1.0 V cm^-1 is applied if the viscosity of the gel is 0.891 cP (1cP = 0.01 g cm^-..
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
What is the enthalpy change when 1 mole of ammonia gas is decomposed into its elements?
Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation, N2(g)+3H2(g)-->2NH3(g). a) If you have 1.80 mol of H2, how many grams of NH3 can be produced
5.00 moles of CO2(g) is in a rigid container with a volume of 3.00 liters. The initial temperature is 291 K and the initial pressure is 33.3 bar. Then 4.95 kJ of energy is added to the gas as heat; this raises the temperature to 325 K and raises t..
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