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What is your CLAIM about what can happen when energy is transferred from one system to another?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
A burning candle is an example of a chemical reaction taking place. What can be inferred about this reaction?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
Which of these is EVIDENCE of a reaction that absorbs energy?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
The graph represents energy changes that occur during a chemical reaction. Your CLAIM? The energy is higher at the start. Your CLAIM?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
The diagram shows what happens before and after two unknown substances are mixed. The left beaker holds warmer water; the right is colder with gas.
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
Energy ALWAYS TRAVELS from -- to --.
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
Which of these is EVIDENCE of a chemical reaction that releases energy?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
What REASONING explains why increasing temperature generally increases the rate of a chemical reaction?
The reaction absorbs energy. (from the surrounding hot water)
burning wood
HOT TO cold
The energy changes form.
a cake baking
The reaction releases energy.
It causes the particles of the reactants to move faster and collide more often.
The reaction releases energy.
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