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What causes molecular change?
a chemical reaction
A chemical reaction causes a chemical change true or false?
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
What two types of energy change can occur in a chemical reation?
Two types of energy change that can occur in a chemical reaction are endothermic or exothermic. An exothermic reaction causes an increase in temperature and an endothermic reaction causes a decrease in temperature.
What is a change in a environment that causes a reaction called?
none
Anything in the environment that causes a reaction or change in an organism is called?
stimulus
What chemical transformation causes copper to change colors?
This is the reaction with carbon dioxide and water.
Which process caused rainwater to disappear in outside hot air?
The process that causes rainwater to disappear in hot air outside is evaporation. When rainwater is exposed to high temperatures, the heat causes the water molecules to gain energy and change from liquid to vapor, which then becomes part of the air.
What causes the water on dishes to disappear?
Evaporation
What causes puddles of water to disappear?
Evaporation.
What is a endothermic change?
An endothermic change is a chemical reaction or physical process that absorbs heat from its surroundings. This causes the surroundings to cool down as energy is taken in to drive the reaction or process. Examples include melting ice and photosynthesis.
What is an indicator for starch and the reaction is?
Iodine is an indicator for starch. The reaction between iodine and starch causes a color change from brown/orange to blue/black.
What happen to matter that seems to disappear during chemical reactions?
In most cases, if matter seems to disappear during a chemical reaction it is because there is an invisible gas produced by the reaction that you did not see or measure.
