A sample of ore containing radioactive strontium9038sr has
A sample of ore containing radioactive strontium9038Sr has an activity of 7.6 x 105 Bq. The atomic mass of strontium is89.908 u, and its half-life is 28.5 yr. How many grams of strontiumare in the sample?
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both agamemnon and priam have embassies to achilles that attempt to change his mind the first to bring him into the war
given that blood exert the same osmotic pressure as a o15 m nacl solution which of the following could be the contents
a a person exerts a force of 408 n on the end of a door 780cm wide what is the magnitude of the torque if the foce is
a proton moving freely in a circular path perpendicular to aconstant magnetic field takes 100mus to complete
a sample of ore containing radioactive strontium9038sr has an activity of 76 x 105 bq the atomic mass of strontium
a solution is prepared by adding 0900 g of solid rm nacl to 500 ml of 0100 m rm cacl2 what is the molarity of chloride
the first-order rate constant for the reaction of methyl chloride ch3cl with water to produce methanol ch3oh and
a copper wire is 800 m long and has a cross-sectional area of10x10-4 m2 this wire forms a one turn loopin the shape of
the decomposition of ozone in the upper atmosphere is facilitated by no the overall reaction and the rate law are o3 o
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