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an excess of o2reacted with495g of fe what is the percent yield if643g of fe2o3are
what is the simplest formula of a compound if a sample of the compound contains 0298mol x 1192mol y and 2682mol
what mass of oxygen gas is required for the complete combustion of 612g of propane c3h8 to produce co2nbspand
among the solubility rules previously discussed is the statement carbonates phosphates borates and arsenates-except
calcium phosphide is used to make fireworks write a conversion factor that converts between moles of calcium ions in
what is your favorite holiday food or beverage list its ingredients write the molecular formula for each of the top 5
it is official the last four synthetic elements of the periodic table have names what are they and for whom are each
uranium is distributed in a form called yellow cake which is made from uranium ore in the second step of the reactions
what is the name of the value that can be calculated that expresses with a number how precise and how accurate each
chemistryconh36cl3nbspcan be synthesised from cobaltii chloride according to the following reaction2cocl2sdot6h2os 2
combustion of hydrogen releases 142 kjgram of hydrogen reacted how many kcal of energy are released by the combustion
anbspcalculate deltasdeg for thenbspfollowing reaction2 ch3ohg 3 o2g rarr 2 co2g 4 h2ogbnbspuse the following data to
predict the valence electron molecular orbital configurations for the following and state whether they will be stable
two important industrial chemicals ethane c2h4 and propane c3h6 are produced by the steam or thermal cracking
an adult generates 72 w of power as she pulls a sled forward across a flat snowy surface with a force of 80 n the adult
a the mass of cyclist together with the bike is 90 kg calculate the increase in kinetic energy if the speed increases
a ball of weight q and radius r is attached by a string ad to a vertical wall ab as shownin fig determine the tensile
a for an electron mobility of 500 cm2nmiddots calculate the time between collisions ta ke mil moin these calculationsb
equation can be interpreted this way the minority carriers that are thermally generated within the diffusion length
the forward-bias voltage v required to maintain a pn diode current i is a function of the temperature ta derive an
a gaas mesfet has a 02 microm thick n-channel doped to nd 1017 cm-3 assume thatc can any gate voltage of the opposite
cv and id - vg characteristics of a hypothetical mosfet with channel length l i microm are given in fig 6-40a is the
consider a conventional npn bjt with uniform doping the base-emitter junction is forward biased and the base-collector
assume that the gate oxide between an n poly-si gate and the p-substrate is ii a thick and na lei8 cm3a what is the vi
an nmosfet with a threshold voltage of 05 v and oxide thickness of 6 nm has a v dsat of 075 v when biased at vg 25 v