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a geiger counter registers a count rate of 6800 counts per minute from a sample of a radioisotope fourteen minutes
the air table has approximate dimensions of 25 cm x 25 cm if the table is set up leveled and then inclined where the
if yt is a parabola of the form yt -12g sinthetat2 v0y t y0 and xt v0x t x0 show by direct substitution that the
a sphere with radius of 2 m is entirely immersed in water 1 find the buoyant force on the sphere by water 2 find the
two masses m1 800 kg and m2 100 kg are connected by a massless string which runs across a massless frictionless
a buffered solution containing dissolved aniline c6h5nh2 and aniline hydrochloride c6h5nh3cl has a ph of 567a determine
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calculate the theoretical yield in grams for the mononitration of acetanilide assuming that you begin with 05g of
please help me with these 2 chemistry questionscalculate the mole fraction of each component in a solution with 687 g
write the net ionic equation for the reaction betweennbspacetic acidnbspandnbspsodium hydroxide do not include states
thenbspoxidation numbernbspof an element is the charge the element would have if all of its bonds were completely ionic
in lab a student wasnbspgiven a hydrated version of nicl2nbspas thenbspunknown the initial mass of the hydrated salt
an aqueous solution ofnbspperchloric acidnbspis standardized by titration with anbsp0137nbspm solution ofnbspsodium
1a what is the freezing point of this solution if 30g na2so4nbspis dissolved in 800ml of water density of water is
1 a pi bond vb theory or a double bond vsepr theory does not affect the geometry of a moleculea what is hybridization
consider the following reaction2naoh h2so4---gtna2so4 2h2o786 g of h2so4 is present initially how many grams of naoh
you have a beaker with 100 00 ml of 0325 m naoh solution on your lab bench your lab partner pours 100 ml of 0825m naoh
the molecular formula of malonic acid is c3h4o4 if a solution containing 0762 g of the acid requires 1244 ml of 1174 m
the combustion of butane can be represented by the following equationc4h10nbspg o2g rarr co2g h2ogbalance the
portfolio betanbspyou own 1000 of city steel stock that has a beta of 150 you also own 5000 of rent-n-co beta 180 and
portfolio betanbspyou have a portfolio with a beta of 236 what will be the new portfolio beta if you keep 10 percent of
ll incorporateds currently outstanding 15 coupon bonds have a yield to maturity of 12 ll believes it could issue new
suppose a company will issue new 10-year debt with a par value of 1000 and a coupon rate of 75 paid annually the tax
corporation x is expected to earn 100 million per year in perpetuity if it does not undertake any new projectsnbspthe
you own 100000 worth of stock x at the end of the first year you receive a dividend of 2 per share and at the end of