Chemistry, 17.10.2019 00:20 rubixkube86
56. the masses and radii of the earth and moon are m,, r and m2, r2 respectively. their centres are at distance d apart. the minimum velocity with which a particle of mass m should be projected from a point midway between their centres so that it escapes to infinity is: (a) 2d (m, + m2) (b) 2 d cmt gm (m, +m2) (r, +r2) (d) 2, g (m +m,) 62. (e) 2, m,+m2)
Answers: 1
Chemistry, 22.06.2019 06:40
Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.
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Chemistry, 22.06.2019 10:30
Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand
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Chemistry, 22.06.2019 20:30
From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.
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56. the masses and radii of the earth and moon are m,, r and m2, r2 respectively. their centres are...
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