MiscVocabTypes of Reactio ns Reacti on Rates Extra

100 T/F During a chemical reaction, chemical bonds break and new bonds form.

100 True

200 Egg frying, chemical of physical?

200 Chemical

300 The process that changes matter into one or more new substances.

300 Chemical Change

400 Water vapor in the air turns to liquid water in the form of rain. Chemical or Physical?

400 Physical

500 Balance the following reaction H2O + O2 -> H2O

500 2 H2 + O2 -> 2 H2O

100 Substances listed on the left side of a chemical equation.

100 Reactants

200 A shorter, easier way to show chemical reactions using symbols instead of words.

200 Chemical Equation

300 A chemical reaction that absorbs energy in the form of heat.

300 Endothermic

400 Amount of energy needed to start a chemical reaction.

400 Activation energy

500 DAILY DOUBLE! Chemicals that act as biological catalysts by speeding up reactions in living things.

500 Enzymes

100 2 or more substances combine to form a more complex substance.

100 Synthesis

200 Type of reaction where elements in 2 compounds trade places with other.

200 Double replacement

300 Water is broken down into hydrogen and oxygen.

300 decomposition

400 2 KBr + Cl2 -> 2 KCl + Br2

400 Single Replacement

500 2 CO + O2 -> 2 CO2

500 Synthesis

100 Increasing the surface area.

100 Increase

200 Lowering the temperature

200 Decrease

300 Increasing the concentration

300 Increase

400 Adding a catalyst.

400 Increase

500 Adding an inhibitor

500 Decrease

100 Define matter.

100 Anything that has mass and volume (takes up space)

200 Calculate the density of a sample with a mass of 30g and a volume of 10m L. Will this sample sink or float in water?

200 3 g/mL Sink

300 Who was the author of the 1 st periodic table?

300 Mendeleev

400 What is the difference between subjective and objective writing. Give a time when you would use each.

400 Subjective-based on thoughts/opinions (movie review) Objective- based on facts (newspaper article)

500 List the 5 problem solving strategies

Retrace steps 2. Make a model 3. Trial and error/Process of elimination 4. Find a pattern 5. Break into simpler steps

Final Jeopardy Vocabulary

Final jeopardy What is the shorthand notation for a compound or a diatomic element using symbols and numbers called?

Final jeopardy Chemical Formula