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1what is the number of moles of gas contained in a 30l vessel at 300k with a pressure of 150 atm pv nrt r 0821
calculate the mass of calcium hydroxide required to make a 500-ml solution with a poh of 365nbspstep 1nbspcalculate the
predict the products of each reaction and write balanced complete ionic and net ionic equations for each if no reaction
a solution has an original concentration of 015 m cu2 and 025m io3- at equilibrium the concentration of cu2 is found to
the temperature of 5000 g of water contained in a calorimeter increased from 200nbspacircdegc to 500 acircdegc when 500
question 1given the following balanced equationnbsp2conbspnbsp2no --gt n2nbspnbspnbsp2co2round your answers to the
for a process at 451 k and constant pressure s surr is -326 j k-1 calculate the quantity of heat in kj absorbed by the
a 500 mg sample of an unknown radioactive substance was placed in storage and its mass measured periodically after 706
a current of 559 a is passed through a nino32 solution for 150 hours how much nickel is plated out of the
draw all resonance forms neutral and charge separated for cyclopropanone cyclopentanone cycloheptanone cyclopropenone
how does ease of oxidation correlate with activity do highly active metals tend to donate electrons or accept electrons
a solution contains one or more of the following ions hg22 ba2 and fe2 when potassium chloride is added to the solution
the atmosphere on the planet venus exerts a pressure of 900 atm at the surface at a temperature of 900 fahrenheit if an
a sample of nitrogen gas occupies a volume of 387 liters at 528 degree celsius and 211 atm what will the new
the breakdown of carbohydrates to carbon dioxide and water in the body is called respiration anabolism photosynthesis
a 255ml gas sample contains argon and nitrogen at a temperature of 65 degrees celsius the total pressure of argon is
list two personal choices or courses of action that you can take to reduce the use of any compounds that are harmful to
1 balance the following oxidation-reduction redox reactions using the half reactions method all three reactions are
a new element is discovered that is very unstable and highly reactive and highly reactive edit likes to lose its one
what is the salt formed in the neutralization reaction between nitric acid and potassium
when a 782-g sample of solid potassium hydroxide dissolves in 1000 g of water in a coffee-cup calorimeter the
the value of hdeg for the reaction below is 72 kj how much heat is released when 10 mol of hbr is formed in this
why do some metals form octahedral complexes rather than tetrahedral or square planar
please show all steps and include explanationsa buffer solution contains 00237 mol sodium dihydrogen phosphate and
new jersey is heavily affected by suburban sprawl what in your opinion is the biggest concern that stems from all of