Chemistry, 15.10.2019 19:40 garrettbridges6435
Formed when chemicals in the air get into rain and up the acidity levels
Answers: 1
Chemistry, 21.06.2019 14:20
Calculate the enthalpy of the following reaction: 4 b (s) + 3 o2 (g) â 2 b2o3 (s) given the following pertinent information: (a) b2o3 (s) + 3 h2o (g) â 3 o2 (g) + b2h6 (g), δhoa = +2035 kj (b) 2 b (s) + 3 h2 (g) â b2h6 (g), δhob = +36 kj (c) h2 (g) + latex: \frac{1}{2} 1 2 o2 (g) â h2o (l), δhoc = â285 kj (d) h2o (l) â h2o (g), δhod = +44 kj
Answers: 3
Chemistry, 21.06.2019 19:30
The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
Answers: 1
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
Chemistry, 22.06.2019 09:00
Which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology
Answers: 3
Formed when chemicals in the air get into rain and up the acidity levels...
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