Chemistry, 16.03.2020 22:31 caleelwittmann31
If you have 100 grams of a radioactive isotope with a half life of 10 years how much of the isotope will you have left after 20 years
Answers: 2
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) → 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) → 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) → b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) → h2o (l), δhoc = −285 kj (d) h2o (l) → h2o (g), δhod = +44 kj
Answers: 3
Chemistry, 21.06.2019 18:10
Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o
Answers: 2
Chemistry, 22.06.2019 07:10
Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он
Answers: 2
If you have 100 grams of a radioactive isotope with a half life of 10 years how much of the isotope...
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