When the following chemical equation is correctly balanced, what will be the coefficient for N2H4? ___ N2H4  +  ___ N2 O4  =  ___ N2  +  ___ H2O A) 1           B) 2              C) 3           D) 4              E) 5   19.) An Arrhenius acid A) donates an electron pair. B) is a H+ C) is a H+ D) produces OH- in aqueous solutions. E) produces H+ in aqueous solutions 25.) Using the VSEPR model, the molecular geometry of the central atom in H2S is A) trigonal pyramid B) trigonal planar C) tetrahedral D) linear E) bent   Given the balanced equation below and knowing that 0.0470 grams of magnesium metal fully reacted, determine how many grams of hydrogen gas formed as a result of that reaction. Mg (s) + 2 HCl (aq) à MgCl2 (aq) + H2 (g)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter4: Reactions In Aqueous Solution
Section: Chapter Questions
Problem 26QAP: Consider the following generic equation OH(aq)+HB(aq) B(aq)+H2OFor which of the following pairs...
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7.) When the following chemical equation is correctly balanced, what will be the coefficient for N2H4?

___ N2H4  +  ___ N2 O4  =  ___ N2  +  ___ H2O

A) 1           B) 2              C) 3           D) 4              E) 5

 

19.) An Arrhenius acid

A) donates an electron pair.
B) is a H+
C) is a H+
D) produces OH- in aqueous solutions.
E) produces H+ in aqueous solutions


25.) Using the VSEPR model, the molecular geometry of the central atom in H2S is

A) trigonal pyramid
B) trigonal planar
C) tetrahedral
D) linear
E) bent

 

Given the balanced equation below and knowing that 0.0470 grams of magnesium metal fully reacted, determine how many grams of hydrogen gas formed as a result of that reaction.

Mg (s) + 2 HCl (aq) à MgCl2 (aq) + H2 (g)

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