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a typical home uses approximately 1400 kwh of energy per month if the energy came from a nuclear reaction what mass
one of the nuclides in spent nuclear fuel is u-235 an alpha emitter with a half-life of 703 million years how long
40ml of solution that was saturated with calcium oxalate required 176 ml of 00101 m permanganate to titrate it what is
the atmosphere slowly oxidizes hydrocarbons in a number of steps that eventually convert the hydrocarbon into carbon
5000ml of a hydrochloric acid sample requires 3387ml of a 01292 m barium hydroxide solution to reach the end point
sketch a heating curve for a substance x whose melting point is 40oc and whose boiling point is 65oca describe what you
a scuba tank contains 840 grams of oxygen and 360 grams of nitrogen at a total pressure of 500 atm calculate the
the vapor pressure of pure water at 25 c is 238 torr a solution is made by mixign 3638 g of unknown non ionic substance
unlkie amines amides are not ver strong bases in fact the nitrogens in amides are not even the most basic position -
lactic acid found in sour milk has an empirical formula of hc3h5o3 a 10 g sample of lactic acid required 170 ml of 065
calculate the enthalpy change in kj when 220 g of water at 350degc is heated to steam at
why is it necessary to use relatively exotic reagents to form precipitates with the lithium group
you want to make a 500ml of a 0350m buffer of ph 620 you choose hydroxylamine as the system for your buffer a if you
find the anode half-reaction cathode half-reaction and volts lit of the following cells ag-cd ag-cu ag-pb ag-zn cd-cu
draw the complete mechanism for the reaction that occurrs in this solvolysis experiment showing all intermediates and
find the terms that can arise from the following configurations in each case identify the ground term lowest energy
if the salt bridge consists of a gel containing approximately 1 m kno3 will the no3-ions flow into the right hand cu
a racl2 sample isolated by m curie in 1906 contained 910 mg of 226 ra 226 ra has a half-life of 1622 yearsa what was
using the value of 73 kcalmole for atp how many kcal are conserved as atp from one mole of glucose in each of the
rewrite the following unbalanced equations changing them into balanced net ionic equations assume that all reactions
calculate the molarity of the ions present in these salt solutions assume each salt to be 100 dissociated please show
a solution of 536 g of a molecular compound dissolved in 768 g benzene c6h6 and has a boiling point of 8146oc what is
what is the a molality b freezing point c boiling point of a solution containing 1000 g of ethylene glycol c6h6o2 in
a chemistry lab experiment requires 252 g of silver nitrate how many grams of a 155 by mass solution of silver nitrate
classify each of the following bonds as nonpolar covalent polar covalent of ionic if a bond is polar covalent identify