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A common industrial unit for articulating the concentration of hydrogen peroxide is to state the relative volume of oxygen gas at 0 C and 1 atm, produced per volume of hydrogen peroxide solution that decomposes.
For instance, when 1 L of a 20-volume (V20) solution of hydrogen peroxide decomposes, 20 L of oxygen gas at 0 C as well as 1atm is produced.
Compute the concentration of a 27 volume (V27) in units of mass percent.
Compute the concentration of a 27 volume (V27) in units of morality.
Density at 0 C (g/mL) of a variety of hydrogen peroxide solutions:V27 = 1.02627 mass % = 1.110Pure = 1.471
Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample contains .0011% Pb by mass. What volume of water in mL contains 115 mg of Pb
The combustion of the alternative fuel, hydrogen gas, released 286 kj per mole of hydrogen gas combusted. if 10.0 l of hydrogen gas at STP was burned to produce electricity, how long would it power a 100 watt light bulb. assume no energy is lost t..
a mixing process has as its inputs two streams each containing water and fiber. the first stream has 10 fiber and a
For the following reactions, first complete the molecular equation by writing all the products and balancing the equation; then write the complete ionic equation and finally, the net ionic equation for each reaction
Calculate the equilibrium pressures of all species. What is the value of Q for this system
One mole of CO29(g) is mixed with one mole of H2 (g) and passed over a catalyst for the following reaction: CO(g)+2H2(g)=CH3OH(g) At 500 K and a total pressure of 100 bar, 0.40 mol of CH3OH is gounf at equilibrium. What are the values of Kp and Kc?
c2h6g o2g co2g h2oga consider the unbalanced equation above. how many grams of o2 are required to react with 13.0 g
An equilibrium mixture of SO2, SO3 and O2 gases is maintained in a 11.5 L flask at a temperature at which Kc = 55.2 for the reaction shown below.
The emitted wavelengths of an element can be related to the frequency and energy of emission. The emissions from the hydrogen atom were modeled using the Rydberg equation, which Niels Bohr used to develop the Bohr model of the atom.
How many grams of Cl2 can be prepared from the reaction of 16 g of MnO2 and 30 g of HCl according to MnO2 + 4 HCl = MnCl2 + Cl2 + 2H2o
if 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram.
Calculate the pH of a solution prepared by adding 20.0 mL of 0.100 M HCl to 80.0 mL of a buffer that is comprised of 0.25 M C2H5NH2 and 0.25 M C2H5NH3Cl. Kb of C2H5NH2 = 9.5 x 10-4
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