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Which of these terms describes a type of chemical reactions that results in heat being released to the surroundings?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
You and your partner combined an acid and a metal. Your observations said that it was an exothermic reaction. What does this mean?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
Which of these types of reactions absorbs heat from the surroundings?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
1. Solution A has a mass of 70 g. Solution B has a mass of 40 g. When they are mixed, a chemical reaction occurs. What should the mass of the final mixture be?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
In science class, Max mixes 20 grams of water, 13 grams of acid and 7 grams of baking soda. What should be the total mass of the products? (Think law of conservation of mass)
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
What ALWAYS happens during a chemical change?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
When a chemical ice pack is activated, the chemicals stored inside react and the pack becomes very cold. Which of these terms describes this type of reaction?
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
Milk (pH = 6) is a
Exothermic
Exothermic
Endothermic
40 grams
Heat/ energy was released
110 grams
Weak acid
The elements and atoms rearrange and form a new substance
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