Answers: 1
Chemistry, 22.06.2019 12:40
In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false
Answers: 2
Chemistry, 23.06.2019 10:30
Silver is a white metal that is an excellent conductor. silver tarnishes when exposed to air and light. the density of silver is 10.49 g/cm3. the melting point is 962oc and the boiling point is 2000oc. a chemical property of silver is
Answers: 3
Chemistry, 23.06.2019 14:30
If 125 cal of heat is applied to a 60.0-g piece of copper at 25.0 ? c , what will the final temperature be? the specific heat of copper is 0.0920 cal/(g? ? c) .
Answers: 1
Chemistry, 23.06.2019 18:30
You form water vapor by mixing oxygen and hydrogen at 730Β°c in a 5.4-liter container. this is the equation for the reaction: o2(g) + 2h2(g) β 2h2o(g). the partial pressure of oxygen before the reaction is 122.3 kilopascals, and there is excess hydrogen. how many moles of water are formed?
Answers: 3
How many total atoms does 3Na2S2O3 have...
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