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while 0850 g of mg is burned in oxygen in a constant volume calorimeter 254 kj of energy as heat is evolved the
1 a 314ml sample of nitrogen gas was collected over water at 237 degrees celsius as well as a barometric pressure of
explain how many milliliters of a 12 vv propyl alcohol solution would you require to obtain 75ml of propyl
butane is a component of natural gas that is utilized as fuel for cigarette lighters explain the balanced equation of
compute the amount of work done against an atmospheric pressure of 100atm when 5000 g of zinc dissolves in excess acid
under particular conditions it takes one mole of chlorine gas 32 seconds to effuse through a porous membrane under
acetylene gas c2h2 burns with oxygen in an oxyacetylene torch to produce carbon dioxide water vapor as well as the
pentaborane b5h9s burns vigorously in o2 to give b2o3s and h2ol compute for the combustion of 1mol of b5h9b2o3s -12735
explain how you would prepare 2500ml of 02250 m calcium chloride using a 4000 m stock solution of calcium chloride
compute the lattice energy kjmol of the hypothetical ionic compound mx2 from the information given belowie1 ie2 m 1780
forecast outcome of the following reactions if a reaction occurs decide the products and balance the equation if no
presuming no calorie intake from water or minerals if a 100-gram steak contains 49 water 15 protein 0 carbohydrate and
sketch all steps in the synthesis of each of the subsequent compounds using only the organic starting material given
draw all steps in the synthesis of each of the subsequent compounds using only the organic starting materials given
a 02334-g quantity of primary standard nacl is dissolved in 25000 ml a 1000-ml aliquot of this solution consumes 1432ml
if two vessels are labeled a and b vessel a contains nh3 gas at 87c and vessel b contains ne gas at the same
explain what is the morality of a solution prepared by dissolving 543 g of calcium nitrate into 335ml of
at a high temp equal concentrations of 0200 moll of h2 g and i2 g are initially present in a flask the h2 and i2 react
a 100ml sample of 0200 m aqueous hydrochloric acid is added to 100ml of 0200 m aqueous ammonia in a calorimeter whose
compute the minimum uncertainty in the position of a 223g bullet traveling at 559 ms if the uncertainty in its velocity
while an automobile engine starts the metal parts immediately begin to absorb heat released during the combustion of
amphetamine c9h13n is a weak base with a pkb of 42 compute the ph of a solution containing an amphetamine concentration
potassium chromate is gradually added to a solution containing 020 m agno3 and 020 m bano32 explain what happens if the
while a piece of metal is irradiated with uv radiation electrons are ejected with a kinetic energy of 596 x 10-19 j
if a gas is compressed in a cylinder from a volume of 20 l to 20 l by a constant pressure of 10 atm compute the amount