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1. Determine the H3O+ concentration of a solution that has a pH of 8.75.
2. Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M.
3. Calculate the [H3O+] of a solution that has an [OH-] of 0.0000060M. Is the solution acidic, basic or neutral
When dealing with Hydrogenation of Oils, does it matter which double C bond you hydrogenate if there are two or more to make the oil partially hydrogenated?
The steam reforming of methane is widely used in industry to make hydrogen, as given in the following reaction:CH4(g) + H2O(g) ? CO(g) + 3H2(g) a) Calculate the (approximate) enthalpy change
If 75 g of liquid water (C = 4.18 J/g-oC) in a calorimeter changes temperature from 25°C to 75°C, how much heat was transferred? Use the equation C = q/mT.
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
A buffer solution with a pH reading of 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mole NaOH in 500.0mL DI water... how much more grams of NaOH
An aqueous solution of lead nitrate, Pb(NO3)2, is mixed with one of sodium cromate, Na2CrO4, resulting in the formation of a percipitate of lead chromate.
consider a reaction in which ferric oxide is converted to iron and gaseous oxygen. If this reaction is only 83% efficient and the ferric oxide is only 87.5% pure, what mass of ferric oxide is required to make 3 moles of iron
The rate constant increases by a factor of 2.00 when the temperature is increased from 80 C to 115 C. estimate the arrhenius activation energy.
If you want to feed everyone, but still have equal numbers of buns and hot dogs, what is the minimum number of packages of buns and hot dogs you need, respectively?
The redox reaction of peroxydisulfate with iodide has been used for many years as part of the iodine clock reaction which introduces students to kinetics. If Eºcell = 1.587 V and Eº of the anode half-cell is 0.536 V, what is Eº of the cathode half..
The equilibrium lies far to the right. The reaction will proceed very slowly. The reaction contains significant amounts of products and reactants at equilibrium. The equilibrium lies far to the left.
A cylinder with a moveable piston contains 184mL of nitrogen gas at a pressure of 1.02atm and a temperature of 306 K. What must the final volume be for the pressure of the gas to be 1.52m atm at a temperature of 370 K
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