How many 87rb atoms are in a moon rock sample that has a
Rubidium-87 decays by beta decay with a half-life of 4.9 × 1010 yr. How many 87Rb atoms are in a moon rock sample that has a rubidium decay rate of 3500 disintegrations per hour?
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learning outcomescritically analyse project risks and develop a range of strategies to effectively manage those risks
show the calculation of the mole fraction and partial pressurenbspof each gas in a mixture which consists of 250 moles
calculate the volumenbspof co2nbspgas produced by the combustion of 128 grams of ethanol by excess o2nbspgas at 30oc
the original volume of a gas was 500 ml when the pressure was decreased to 13 pascals the volume increased to 700 ml
rubidium-87 decays by beta decay with a half-life of 49 times 1010 yr how many 87rb atoms are in a moon rock sample
how does temperature concentration activation energy and molecular orientation affect the reaction rate of a chemical
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nh4cna solid is warmed in a chamber and the following reaction occursnbspnh4cn srarrhcngnh3gnbspwhen the reaction
why do providers asked patients with acute appendicitis about any trauma to the abdomen nausea or
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