Chemistry, 11.11.2020 04:30 jonathanspears1
If a neutral atom has 49 protons, how many electrons does it have?
Answers: 3
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + Ā½o2(g) ā mgo(s) + 146 kcal/mole h2(g) + Ā½o2(g) ā h2o(g), Ī“h = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 22.06.2019 12:30
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
Answers: 3
Chemistry, 22.06.2019 17:20
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
Chemistry, 22.06.2019 22:30
Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 sā1. part a part complete what is the half-life for this reaction?
Answers: 3
If a neutral atom has 49 protons, how many electrons does it have?...
Mathematics, 05.10.2019 21:00
Mathematics, 05.10.2019 21:00
Mathematics, 05.10.2019 21:00
Physics, 05.10.2019 21:00
English, 05.10.2019 21:00
Business, 05.10.2019 21:00
Arts, 05.10.2019 21:00
History, 05.10.2019 21:00
Chemistry, 05.10.2019 21:00
Biology, 05.10.2019 21:00
Computers and Technology, 05.10.2019 21:00
History, 05.10.2019 21:00