Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
butane c4h10 has a heat of vaporization of 2244 kjmol and a normal boiling point of -04 degrees celsius a 250 ml flask
solution a has a ph of 1 and solution b has a ph of 12 if you mix 5 l of solution a and 10 l of solution b and mix them
an organic pesticide mw 1837 is 843 cl a 0627 g sample containing the pesticide plus inert material containing no
you standardize your naoh solution by titrating a known quantity of sulfamic acid h2nso3h standard it requires 4377 ml
you prepare an naoh solution with a concentration of approximately 0200 m in order to standardize the solution you will
a 2000 ml solution of nitric acid hno3 required 257 ml of 01313 m naoh to reach a bromthymol blue end point what is the
potassium iodatev is a primary standard it reacts with iodide ions in the presence of acid to form iodine a standard
the molar heat fusion of water is 601 kjmol how much heat energy is required to melt one ice cube in a soft drink to
fill in the mo diagram for n2 im having trouble remembering how to use mo diagrams again and if you could explain how
substances a and b are the same mass and at the same initial temperature when they are heated the final temperature of
a piece of iron wire of mass 2225g was put into a conical flask containing dilute sulphuric acid the flask was fitted
a textile finishing process involves drying a fabric that has been treated with a volatile solvent the wet fabric
how much heat in kj is required to warm 130 c of ice initially at -150 c to steam at 1130 c the heat capacity of ice
serotonin composed of c h n and o facilitates neuronal communication the molar mass of serotonin is 17600 gmol by
highly excited atoms have electrons with large principal quantum numbers such rydberg atoms have unique properties and
consider a sealed flask with a moveable piston that contains 525l of o2 saturated water vapor at 25o c the vapor
an aqueous solution of sucrose c12h22o11 boils at 112 degrees celcius what is the
how many grams of ammonium chloride are formed when 46 grams of calcium chloride react with 64 grams of ammonium
what is an element with seven electrons in the outer orbit called metal halogen metalloid noble gas none of the
a solution of ethylene glycol and water has a boiling point of 1098 degrees celcius what is the freezing point kf
how do you rank crystal lattice structures in order of decreasing efficiency of space in the
the ideal gas law relates the pressure p volume v absolute temperature t and amount of gas n the law is p nrtv where r
given 1000ml of a buffer that is 050 m in hocl and 040 m in naocl what is the ph after 100ml of 10 m naoh has been
150ml of 050 hcl is added to a 1000ml sample of 0200 m hno2 what is the equilibrium concentration of no2 ions ka for
at 10 degrees celcius the henrys law constant for chlorine in water is 013 matm what is the concentration of chloride