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1 one tablet of brand y aspirin was dissolved in 10 ml of 10 m naoh boiled and then diluted to a final volume of 100 ml
an empty aerosol-spray can at room temperature 20c is thrown into an incinerator where the temperature reaches 563c if
when 8 liters of hydrogen gas and 4 liter of oxygen gas react to form water at a constant temperature and pressure how
the density of a gaseous compound of phosphorous is 0943 gl at 496 k when its pressure is 709 torr what is the molar
if sufficient acid is used to react completely with 990 grams of mg mgs 2 hclaq rarr mgcl2aq h2g what volume of
consider 2 al 6 hcl rarr 2 alcl3 3 h2 the reaction of al with hcl to produce hydrogen gas what is the pressure of h2
how does entropy change with volume and number of particles if you increased the volume by multiplying the original by
calculate the volume of methane ch4 produced by the bacterial breakdown of 33 kg of sugar c6h12o6c6h12o6 rarr 3 ch4 3
ammonia can be made by reaction of water with calcium cyanamidecacn2 s h2o l rarr caco3 s nh3 gwhen the equation is
what is the concentration of h3o ions in a 0020m aqueous solution of lithium hydroxide at 25 degrees
some solute is added to water solvent why does concentration increase as the quantity of water
some solute is added into a solvent - water why doesnt concentration change as quantity of water
a room contains 48kg of air how many kilowatt hours of energy are necessary to heat the air in the room from 7c to 28c
calculate the volume of the gas when the pressure of the gas is 110 atm at a temperature of 298 k there are 150 mol of
you run an experiment to determine the buffer capacity of a 050 m acetic acidacetate buffer you use 2287 ml of 00878 m
the selectivity coefficient pot f oh k - - for a fluoride ise is 01a in general what must an ion-sensing membrane in an
consider the following half-reaction for whichedeg 0222 v agcls e- ags cl-aqwith a saturated kcl fill solution the
consider the following half-reaction for which edeg 1630 v hoclaq haq e- frac12cl2g h2ola write the acid
1 there is nothing like the smell of bbq in the summertime many people use propane gas grills to cook the perfect steak
1 write a balanced equation to represent the dissociation of each of the following ionic compoundsa cobalt ii chlorideb
a chemist titrates 2000ml of a 05495m pyridine c5h5n solution with 00872m hbr solution at 25degc calculate the ph at
a walrus can draw in about 000350 m3nbspof air in a single breathe if the air warms to 47 celsius degrees the new value
a 54 newton horizontal force pushes a 50 kg mass sitting on a horizontal surface additionally the horizontal surface
a solution has a hydroxide- ion concentration of 10 x 10 -9 mol per liter what is the ph of this