Questions and answers by

CantSay

Questions (19)

A trapezoid with congruent base angles must besquare parallelogram rectangle isosceles trapezoid No classification is guaranteed
1. 23 answers
2. 179 views
Angle <EFGH is a trapezoidangle <H=70 degrees angle <HEG=70 degrees Calculate angle <FGE
1. 1 answer
2. 112 views
Angle <EFGH is a trapezoidangle <H=65 degrees angle <HEG=77 degrees Calculate angle <FGE
1. 1 answer
2. 109 views
Angle <EFGH is a trapezoidangle <H=68 degrees angle <HEG=79 degrees Calculate angle <FGE
1. 1 answer
2. 107 views
AC is congruent to BD what proof is thatDefinition of congruent segments Definition of an isosceles trapezoid CPCTC Definition
1. 1 answer
2. 130 views
Is the following reaction endothermic or exothermic?3 Fe + 2 O2 --> Fe3O4 H= -1120 kJ endothermic exothermic
1. 1 answer
2. 142 views
Is the following phase change endothermic or exothermic?Freezing Kool-Aid exothermic endothermic
1. 1 answer
2. 143 views
Is the following reaction endothermic or exothermic?mixing water and ammonium nitrate (feels cold) exothermic endothermic
1. 1 answer
2. 174 views
Is the following phase change endothermic or exothermic?melting ice cubes exothermic endthermic
1. 1 answer
2. 146 views
Is the following reaction endothermic or exothermic?baking a cake endothermic exothermic
1. 1 answer
2. 118 views
Is the following phase change endothermic or exothermic?formation of snow in the clouds exothermic endothermic
1. 1 answer
2. 175 views
Is the following phase change endothermic or exothermic?formation of snow in the clouds exothermic endothermic 6. Is the
1. 1 answer
2. 320 views
Is the following reaction endothermic or exothermic?bomb exploding endothermic exothermic
1. 1 answer
2. 94 views
Is the following reaction endothermic or exothermic?iron rusting in the air (gets warm) endothermic exothermic
1. 1 answer
2. 139 views
Is the following reaction endothermic or exothermic?H2O --> 2 H2 + O22 H= +571.6 kJ endothermic exothermic
1. 1 answer
2. 119 views
Is the following reaction endothermic or exothermic?conversion of frost to water vapor exothermic endothermic
1. 1 answer
2. 142 views
According to Le Chatelier’s principle, which direction will the equilibrium shift when the following stresses in the following
1. 1 answer
2. 198 views
Reaction rate depends upon which of the following?average potential energy both collision frequency and efficiency collision
1. 1 answer
2. 151 views
How do catalysts generally affect chemical reactions?They provide an alternate pathway with a higher activation energy. They
1. 1 answer
2. 123 views