Changes in Matter
A process in which a change in state of matter, size, form, or shape but matter's identity stays the same
What is a physical change?
Page 419
A description of a chemical reaction using element symbols and chemical formulas
What is a chemical equation?
Page 422
The 5 types of chemical reactions
What are synthesis, decomposition, single-replacement, double-replacement, & combustion?
Page 431
A bond breaks and energy is ________
What is absorbed?
Page 436
The speed at which a reaction happens
What is reaction rate?
Page 438
A process in which atoms of one or more substances rearrange to form one or more new substances
What is a chemical reaction?
Page 419
C, O, H, He, Ar on the periodic table
What are element symbols?
Page 422
The product of magnesium and oxygen going through a synthesis reaction
What is magnesium oxide?
Page 431
A reaction that absorbs thermal energy
What is an endothermic reaction?
Page 437
True or False
Chalk powder will dissolve faster in vinegar than a whole chalk piece will
What is true?
Page 439
Water changing into ice when froze
What is a physical change?
Page 419
The name of atoms on the left side of the equal sign of a chemical equation
What are reactants?
Page 423
The product of hydrogen peroxide going through a decomposition reaction
What are water and oxygen?
Page 431
A reaction that releases thermal energy
What is an exothermic reaction?
Page 437
The measurement of the average speed at which particles move
What is temperature?
Page 439
Cake batter changing into cake when baked
What is a chemical change?
Page 419
The name of atoms on the right side of the equal sign of a chemical equation
What are products?
Page 423
The product of a replacement reaction of 2 substances
What are 2 new substances?
Page 432
The minimum amount of energy required to start a chemical reaction
What is activation energy?
Page 438
The measurement of the amount of particles in a substance
What is concentration?
Page 439
The difference of a physical change and a chemical change is
What is no change in matter's identity VS a change in matter's identity?
Page 419
The product of a reaction of baking soda and vinegar.
What are sodium acetate(NaC2H3O2), water(H2O), & carbon dioxide(CO2)?
Page 424
The form of energy produced from a combustion reaction
What is thermal and light energy?
Page 432
When a reaction releases enough energy to keep itself going
What is when the reaction starts?
Page 438
Lower surface area, lower temperature, & lower concentration VS more surface area, higher temperature, & higher concentration
What are the differences of slower reaction rate causes and faster reaction rate causes?
Page 439