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when nacl is added to a solution of agno3 a white precipitate of agcl forms if concentrated ammonia nh3 is added to
a vessel contains 300 mol of ar 550 mol of cf4 and 150 mol of c2h6 gases if the partial pressure of ar is 1440 atm what
suppose that a combustion reaction takes place under adiabatic conditions that is no heat is exchanged with the
write a chemical equation for caoh2 aq showing how it is an acid or a base according to the arrhenius
an electron in a hydrogen atom is excited with electrical energy to an excited state with n 2 the atom then emits a
a volume of 186 l of h2 is trapped in a nuclear reactor at 870oc and 125 atm what is the partial pressure torr of the
explain how you would prepare 1000ml of a solution using pure solute and water that is 0050 m in sodium hydrogen
you have a solution made by dissolving 15230g of solid na2c2o4 and diluting to a volume of 25000ml how many moles of
nitrogen gas when combined with hydrogen gas forms ammonia gas according to the following equation n2g 3h2g 2nh3g
given a buret filled with 11 m acetic acid and a second buret filled with 15 sodium acetate how many milliliters of
cyclohexane c6h12 undergoes a molecular rearrangement in the presence of alcl3 to form methylcyclopentane ch3c5h9
for the reaction n2go2g gtgtgt 2no2g kc83x10-10 at 25c what is the concentration of n2 gas at equilibrium when the
what is the hydronium ion concentration of a 0150 m hypochlorous acid solution with ka35x10-8 the equation for the
given the ksp values for the following precipitates please predict which precipitate has the largest solubility in the
consider the titration of 250 ml or 0010 m sn2 by 0050 m ti3 in 1 m hcl using pt and saturated calomel electrodes to
titration of metal ion with edta using the spreadsheet equation 11-11 to compute the curves pm versys ml of edta added
220 grams of chromium reacts with excess oxygen to give 322 grams of a chromium oxide what is the name and formula of
the microorganisms in a waste treatment pond are exposed to 35 mgl of easily degradable organic compounds with a
modern instrumental techniques are capable of detecting lead in a milliliter sample at picomolar concentrationhow many
a typical automobile gets 30 miles per gallon of gas and drives 12000 miles every year assuming that octane c8h18
co2 is removed from the atomsphere by trees and converted into cellulose the basic reaction for this is6 co2 g 5 h2o l
the kingston steam plant burns 14000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year
three common hydrocarbons that contain four carbons are listed here along with their standard enthalpies of
calcium carbide cac2 reacts with water to form acetylene c2h2 and caoh2 from the following enthalpy of reaction data