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unit 1 section 3
Terms in this set (14)
A(n) is the making and breaking of chemical bonds, leading to changes in the composition of matter.
The starting materials in a chemical reaction are known as what?
The resulting materials after a chemical reaction are known as what?
The equation of photosynthesis is 6CO2 +6H20+ Energy---> C6H12O6 +6O2. What are the reactants in this equation?
6CO2 +6H20+ Energy
Water is a polar molecule because
the different parts of the molecule have slightly different charges.
A nonpolar molecule has
no negative or positive ends.
A molecule that has a partial positive charge on one side and a partial negative charge on the other side is called a(n)
When placed in the same container, oil and water do not mix because
water is polar and oil is nonpolar.
How many atoms of oxygen are in the following equation?: 6O2
How many molecules of oxygen are there in the following?: 6O2
Look at the chemical equation below. How are the reactants changed when formed into the product?
2H2 + O2 -------> 2H2O
Two gases are changed into a liquid
What type of chemical reaction requires a net input of energy?
The condition in which reactants and products of a chemical reaction are formed at the same rate is known as .
A chemical reaction that yields a net release of energy in the form of heat is known as a reaction.
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