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to prevent tank rupture during deep-space travel an engineering team is studying the effect of temperature on gases
a student is examining a bacterium under the microscope the e coli bacterial cell has a mass of m 170 fg where a
determine the end final value of n in a hydrogen atom transition if the electron starts in n 1 and the atom absorbs a
a rolaid tablet contains calcium carbonate which neutralizes stomach acid if 4455 ml of 0448 m hydrochloric acid is
the analysis of a gaseous compound revealed that it was 857 c and 143 h by mass when 177 g of the gas is stored in a
how many grams of sodium chloride should be used in compounding the following prescription round to two decimal
the dissociation constant of ethanolamine is 272 x 10-5 at 25 degrees c calculate the pkb value round to once decimal
a product label for 348 mg tablets of quinidine gluconate mw 520 states that 71 of the drug is present as quinidine
at what rate in drops per minute should a dose of 23 mcgkgmin of dopamine be administered to a 60 kg patient using a
how many grams of epinepherine barbitrate mw 333 should be used in preparing 495 ml of an opthalmic solution containing
a patient received 396 ml of an infusion at a rate of 42 mlhr what was the total infusion time in minutes round to the
what is the ph of a buffer solution prepared with 005 m sodium borate and 0004 m boric acid the pka value of boric acid
how many grams sodium chloride nacl should be used in preparing 24 l of a solution containing 150 meql atomic wt of
a 49 lb child is suuposed to receive 93 unitskg of heparin sodium by iv infusion every 4 hours how many units will the
a hepatitisb immune globulin contains 315 international units per milliliter if the dose is 004 mlkg for a specific 135
each of the following contains only one of the two chemicals indicated what reagent would you use to identify which of
500 ml of 050 m agno3 is added to 050 ml of 075 m nacl in a constant pressure calorimeter the temperature changes from
a reaction x2 xy z2 x3z yz where xyz are atoms is shown to have the following rate behaviorrate ms x2 m xy m z2
organic hydrogenation reactions in which h2 and an unsaturated organic compound combine are used in the food fuel and
a perfect steam engine operating at 400 celcius and discharging at 25 celcius and generating 5000 kj in heat
how many milliliters of 0220m na2s2o3 solution are needed for complete reaction with 2401g of i2 according to the
thermal decomposition of rail car load of limestone to lime and carbon dioxide requires 349 x 106 kj of heat convert
a solution contains 6 of nacl how many milliosmoles are represented in 478 ml of the solution nacl mw
if a molecule having an ionization energy of 922 ev produces a photoelectron having a kinetic energy of 860274e-19 j
what observed rotation is expected when a 126 m solution of r-2-butanol is mixed with an equal volume of a 0630 m