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the ammonia solution nh3aq has pkb 476 a buffer solution has ammonium chloride and ammonia has a ph 945 and a total ammonia concentration 0400 m
a gas was acquired by boiling liquid nitrogen that was stored in a 1800 l tank determine what volume of n2 is released at 0915atm of pressure and at
given that hclo4 an aqueous solution is 4810-8 m write the equation for the reaction of hclo4 compute h3o oh- poh and ph b if it is given that an
306 grams of hydrogen is allowed to react with an excess of o2 gas to form 2735g of h2o in a second experiment ielectric current broke down a sample
antimony reacts with sulfur according to this given reaction 2sbs 3ss rarr sb2s3s determine what is the mass percent yield from 179 g of sb in
compute the mass of salt required to bring the freezing point of 200 ml of h2o from 0 degrees c to -5 degrees cwhen a gas has its volume is 216 l and
2 tanks xy of gas are connected by a closed valve tank x is 5 liters and has oxygen gas at a pressure of 24 atm tank y has 3 liters and has n2 gas at
determine what is the vapor pressure of a solution made by dissolving 654grams ammonia in 259 grams of h2o at 550 ordmc the vapor pressure of water
cs2 of ten milligrams mixes with excess of cl2 gas the heat evolved is transferred without loss to 6450 grams of h2o at the temperature of 220 degree
nh3 is kept in a cylinder with a movable piston at the temperature of 25 degree celcius and the pressure of 250 atm pressure if the temperature is
air of one kilogram is allowed to expand reversible in a container behind a piston in such a way that the temperature keeps constant at 260 degree
cs2l 3cl2 g --gt ccl4 ls2cl2l is the given equation in which carbon tetrachloride is a common commerical solvent can be formed by the mixing of cl2
a argon gas sample has a volume of 795 litres at a pres-sure of 128 torr and a temperature of 104 degree celsius then calculate the final volume of
an ibuprofeninfant suspension has 100 mg 50 ml suspension the suggested dose 10 mgkg body weight determine how many ml of this suspension ought to be
ch2 ch2 reacts with hydrogen gas to give ch3ch3 you need to estimate the heat released when bond enthalpies are h h 436 kjmol c c 612 kjmol c br
you have pure beta-d-glucopyranose of 100 grams nearly it was dissolved in an ethanolwater combination with the intention to recrystallize the sugar
a reaction having time independent stoichiometry follows the equation a2b 2z suppose the initially there 028 mol of a 039 mol of b amp 013 mol of z
find out the molar mass of each of the given gases 1 216 grams of a gas that occupies 138l at 665 mmhg and 25 degree c 2 0723 grams of a gas that
an ice cube of 151 grams is placed into 304 grams of h2o compute the change in temperature in the h2o upon completing melting of the ice hint
when carbon monoxide was burned with excess air at constant pressure and the measured temperature of exit gases observed at 981 degrees celsius
explain why does atp synthesis occur in the presence of rotenone an inhibitor of one the reactions in the electron transport system if succinate is
p4 white phosphorus ignites in air to make light heat and p4o10 according to the p4s 5o2g p4o10s reaction it is observed that when p4 of 672 grams
considering the given equation hcl x3po42 h3po4 xcl2 it is given thatnbspwhen a particular metal a reacts with hydrochloric acid then the
a metal piece of mass 27 grams at the temperature of 99 degree celsius is positioned in a calorimeter having 451 g rams of h2o at the temperature of
name the highly volatile liquid may cause grave danger to the environmental health amp safety and fire safety professionals at happening scenes as