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If 5.0 grams of potassium reacts with 2.24 liters of oxygen at STP what is the limiting reagent? After the reaction, how much excess reagent is left?
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
What is the concentration of free [Cu2+] in an aqueous solution prepared as 0.25M in Cu2+ and 1.50M [NH3]. Cu2+(aq) + 4NH3? [Cu(NH3)4]2+ (aq) Kf = 5.0 x10^12
A 5.00mL sample of sulfuric acid is titrated with 0.1198M aqueous sodium hydroxide. If 33.93mL of the basis required to reach the end point of the titration
why do you think peonin peonin is a red pigment found in the petals of peony flowers is bonded to two hexoses? what
if you dissolve the weighed mass of zinc in water which had not been deionized, how would the volume of EDTA required to reach the indicator end-point
Calculating Rate and Activation Energy of Diffusion, a) How do I calculate the time that will it take for 0.001 moles of CO2 to leak from a container at steady-state, assuming that the amount of CO in the surroundings is insignificant?
calculate the empirical formula for the bismuth oxide, 89.7% Bi and 10.3 O. and percent composition
Why is comparing moles of reactants without using the balanced equation not the proper way to determine the limiting reactant. Is it because you need to have it balanced to understand the moles being used correctly
To calculate the box length, assume that the molecule is linear and use the values 135 and 154pm for C--C and C-C bonds. What is the wavelength of light required to induce a transition from the ground state to the first excited state.
Calculate the heat evolved when 85.0 g of CH3OH (g) burns (assume excess O2 (g)) and calculate the mass (#grams) of O2 (g) consumed when 500 kJ of heat is produced by this reaction.
A gaseous fuel mixture stored at 752 mmHg and 298 K contains only methane and propane . When 11.6L of this fuel mixture is burned, it produces 767kJ of heat methane : 890 kJ/mol propane : 2,220 kJ/mol
Kinetic Molecular Theory states that particle collisions are elastic,but energy and collisions of the particles are proportional to the absolute temperature, but the more collisions according to Henry's law, the more gas dissolves.
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