An effective treatment for some cancerous tumors involves irradiation with "fast" neutrons. The neutrons from one treatment source have an average velocity of 3.5×107 m/s. If the velocities of individual neutrons are known to within 2.0% of this value, what is the uncertainty in the position of one of them?
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Chemistry, 21.06.2019 18:00
Balance this equation: n2 + h2 > nh3, write the following molar ratios: n2 / n2 / nh3 h2 /
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Chemistry, 21.06.2019 21:00
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
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Chemistry, 22.06.2019 20:10
Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)
Answers: 1
Chemistry, 22.06.2019 23:30
The sum of the oxidation numbers in a neutral compound is always
Answers: 2
An effective treatment for some cancerous tumors involves irradiation with "fast" neutrons. The neut...
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