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to determine the partial pressure and the total pressure using daltons law of partial pressuresa mixture of gases contains 031 mol ch4 025 mol
to find the by mass of a compound in a given sampledissolving 300 g of an impure sample of calcium carbonate in hydrochloric acid produced 0656 l of
find the formula of a compound using stoichiometry and ideal gas equationa quantity of 0225 g of a metal m molar mass 270 gmol liberated 0303 l of
to determine the molecular formula of a compounda compound of p and f was analyzed as follows heating 02324 g of the compound in a 378-cm cubed
advantages and disadvantages of using alternative fuelthere are many automobile industries exploring different types of energy supplies other than
find the concentration and ph solution1what is the concentration of cu2 in a solution that is 010 m cunh342 kf 12 x 1012nbspa85 x 10-5nbspb28 x
find the ph solution amp hydronium ion concentration1 what is the ph of a solution of 017 m acid and 081 m of its conjugate base if the pka
hydronium ion concentration using henderson-hasselbalch equation1 what is the hydronium ion concentration of a solution of 0700 m acid and 0440 m of
multiple choice questions in free energy change1 the enthalpy and entropy change of a reaction are -61 kjmole and 389 jmole k respectively at 25ordmc
calculate the binding energy of the 2s electron in ironthe five highest energy peaks in the photoelectron spectrum of atomic iron occur at binding
compare alkalide ion with the neutral alkali atomunder appropriate conditions alkali metals a can be reduced to yield monoatomic alkalide anions a-1
multiple choice questions in nuclear chemistry1as the temperature of a sample of a radioactive element decreases the half-life
multiple choice questions in radioactive decay1an alpha alpha particle is essentially a
multiple choice questions in nuclear reactions1 to make nuclear fission more efficient which device is used in a nuclear reactor to slow the
multiple choice questions in nuclear chemistry1 magnesium-28 decays via beta emission which equation represents the balanced nuclear
determine the partial pressure and total pressure of the gases1suppose two gases in a container have a total pressure of 125 atm what is the pressure
multiple choice questions in organic chemistry1nbspnbspnbspnbspnbspnbspnbsp 1nbspnbspnbspnbspnbspnbspwhich of the following statements are true about
find the contact time for inactivating gardia cystshow much contact time would be required for inactivating gardianbspcysts using the following
explain the structural feature of acetanilide molecule1 acetanilide is moderately soluble in hot water but much less soluble in cold watera identify
explain the reactions1a explain the results in which 10m naoh was added to benzoic acid soluble or not write the equation that supports your
determine the equilibrium concentrationsat a particular temperature k100 x 102nbspfo rthe reactionh2g f2g agrave2hfain an experiment 200 mol of h2
find the value of pressure1 a gas in a sealed container has a pressure of 111 kpa at a temperature of 500degc if the pressure in the container is
find the volume of a gas inside a cylinder1 air trapped in a cylinder fitted with a piston occupies 1688 ml at 108 atm pressure what is the new
find the temperature and the pressure of a gas inside the cylinder1 a gas at 71degc occupies a volume of 067 l at what celsius temperature will the
find the mass of the substance and the volume of a gas in a reaction1ammonium nitrate is a common ingredient in chemical fertilizers use the reaction