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Mixing hydrochloric acid and sodium hydroxide is an example of an exothermic reaction. This means:
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
Which of the following statements is true regarding the Law of Conservation of Mass?
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
Changes in thermal energy provide evidence that a chemical reaction has occurred. Which of the following BEST describes a chemical reaction in which energy is released?
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
Meals, Ready to Eat are an instant hot meal developed by the U.S. military for troops. The meal heats up when water is added to the magnesium metal tray because the chemical reaction between water and magnesium is an _________.
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
Cellular respiration is an example of a chemical reaction where energy is released. Which of the following is a reaction where energy is released?
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
Mixing baking soda and vinegar is an example of an endothermic reaction. This means:
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
The mass of the reactants in a chemical reaction is 4.00 kg. After the reaction takes place completely, there will be __________.
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
In chemical reactions, the number of atoms in the product is __________.
energy is taken in during the chemical reaction
Energy is released during the chemical reaction.
4.00 kg of products
exothermic reaction
exothermic reaction
All of these are true.
this is an example of an exothermic reaction
the same as the number of atoms in the reactants
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