Chemistry, 06.12.2021 15:50 issachickadi
Refer the the following question:2N2 + 3H2 -> 2NH3 + 46 kJHow
much energy would be produced if only 14.0 g of nitrogen was
reacted?
Answers: 2
Chemistry, 22.06.2019 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
Chemistry, 22.06.2019 22:10
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
Chemistry, 23.06.2019 08:00
Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + β co2 + a. 0 b. 1c. 2d. 3 e. 4
Answers: 3
Chemistry, 23.06.2019 12:00
In ccl4 is there a certain length that the main atom carbon is a certain distance from the chlorineβs?
Answers: 1
Refer the the following question:2N2 + 3H2 -> 2NH3 + 46 kJHow
much energy would be produced if...
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