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if you borrow 175 dollars from a friend and in 6 years that friend wants 225 back from you what is the yield to
there are two samples labeled a and b sample a is a physical mixture of gap and gaas in a 11 mole ratio sample b is a
calculate the area of a circle with each measurement radius
a whispering room is one with an elliptically-arched ceiling if someone stands at one focus of the ellipse and
compute concentration of the i- ions in a solution if 40ml of 030 m ki is added to 40ml of 045 m nai and 20ml of
the ratio of copper to zinc in a statue is 11 to 4 the total weight of the statue is 3165 pounds what is the weight
some vaporization of water can take place at any temperature between 0 and 100 c for example sweat removes heat from
a room contains 144 chairs the number of chairs per row is 2 less than twice the number of rows find the number of
a definite reaction has activation energy of 2843 kjmol explain at what kelvin temperature will the reaction proceed 45
a group pf four students is performing an experiment with salteach student must add 38 teaspoon of salt to a
a computer sale is happening original price59800 25 off original price 8 tax applied after
a reaction has activation energy of 125 kjmol at 25 degrees celsius the rate is 50e5 ms if the temperature is decreased
the list price of an ipod speaker is 6750 it is on sale for 20 off and there is a 6 sales tax the store calculates
the specific rate constant for the decomposition of no2 is 0755 m-1s-1 at 330 degrees celsius as well as 402 m-1s-1 at
the specific rate constant for the decomposition of no2 is 0755 m-1s-1 at 330 degrees celsius and 402 m-1s-1 at 378
a 550ml sample of a 0102m potassium sulfate solution is mixed with 350ml of a 0114m leadii acetate solution as well as
for those pairs of atoms that must connect through ionic bonds predict the charges for each
for the reaction explained by the subsequent rate law rate kab2 indicate the order with respect to each species as well
ice has the strange property of a melting point that is lowered by increasing pressure if this is the reason we can
the ksp for aluminum hydroxide al oh3 is 191033 at 25 c explain what is the molar solubility of aluminum hydroxide in a
utilizing a 020 m phosphate buffer with a ph of 59 you add 074ml of 055 m hcl to 47ml of the buffer explain what is the
an elementary reaction has the reactant h2o2 breaking down to form h2o2 while the concentration of h2o2 is 500 m the
a determines the mass of an unknown gas to be 43 grams at 37 c as well as 720 mm hg in a 250 ml container explain what
a solution is made by dissolving 7162 g of h3po4 to water as well as diluting to a total volume of 750 mlcompute the ph
the thermodynamic enolate from 1-phenyl-2-propanone has the z configuration of its double bond explain what is the