Question
in
You are niven the balanced chemical equation, N2+ 3H2 => 2NH3, If you start this chemical reaction with 19,0 moles of each
reactant, how many moles of product are formed?

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

since electrons are negative the answer is neagtaive

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph