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a student carefully diluted 500ml of 6 m hci solution in 9500 ml of distilled water calculate the molarity of the
which of the changes listed will shift the equilibrium to the right for the following reversible reactioncog h2og arrow
an unknown hydrate of calcium nitrate cano32 xh2o is heated to give 305 water what is the water of crystallization x
consider the following liquids with similar molar masses predict which has the strongest intermolecular attraction
predict the physical state of ammonia at -95 degrees c mp -77degrees c bp -33 degrees c and normal atmospheric
what is the molarity of aqueous lithium bromide if 250ml of libr reacts with 100ml of 0250m
if 100ml of blood plasma has a mass of 10279g and contains 0870g of protein what is the massmass percent concentration
you are asked to determine the strength of an acid by titration with naoh exactly 500 ml of the acid are titrated with
calculate the heat released when 250 g of water at 0 degrees c crystallizes to ice at the same temp the specific heat
if 1020g of khc8h4o4 20423gmol is completely neutralized with 0200 m koh what volume of potassium hydroxide is
nuclides below the valley of stability can become more stable through which of the following
calculate the potential of the following two half- cells that are connected by a salt bridge a galvanic cell with two
an experiment shows that a 248ml gas sample has a mass of 0433g at a pressure of 745 mmhg and a temperature of 28
a spectrophotometer has a meter that gives a reading directly proportional to the amount of light reaching the detector
calculate the potential of a zinc electrode immersed in 00100m in znnh34 2 and 025m in nh3 b4 for znnh34 2 is
how many seconds would it take to deposit 0500 g of ni metal on an electrode by passing a 300 amp current through a
how many grams of cobalt metal can be formed if a 200 amp current is passed through a solution of co2 for a period of
what is the minimum voltage needed to produce a reaction in the electrolysis of copperii sulfate using inert electrodes
consider the titration of 300 of 0035 with 0030 calculate the after the following volumes of titrant have been
berylliumii forms a complex with acetylacetone 1662gmol calculate the molar absorptivity of the complex given that a
which of the following will change the equilibrium constant a changing temperature b nothing changes the value of keq
equilibrium can not be established when isare placed in a 10l closed container a 025 mol so2g amp 025 mol o2g b 075 mol
the rate of a chemical reaction is found to double when the temperature is raised from 298k to 308k determine the
the equilibrium-constant expression for the below reaction is given by tis 2cl2g yields ticl4l a ticl4ltiscl2g b
nuclides below the valley of stability can become more stable through which of the following processesa beta emissionb