Chemistry, 25.06.2020 01:01 averiemiranda1
Factor 5k2+30k+45. A. 5(k+3)(k−3) B. 5(k+3)2 C. 5(k−3)2 D. Can't be factored.
Answers: 1
Chemistry, 22.06.2019 08:00
Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 1
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
Chemistry, 22.06.2019 14:30
Chemistry worksheet - i am not sure what they are asking for exactly?
Answers: 1
Factor 5k2+30k+45. A. 5(k+3)(k−3) B. 5(k+3)2 C. 5(k−3)2 D. Can't be factored....
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