The substance that enters into a chemical reaction is called a
What is reactant
100
A + BX yields AX + B is the general form for which type of reaction?
What is single-replacement
100
The reaction 2KClO3 yields 2kCl + 3O2 is a
What is decomposition reaction
100
Precipitate formed from a positive ion from a base and a negative ion from an acid
What is salt
100
A factor that slows down a chemical reaction
What is inhibitor
200
Cutting paper is an example of what type of change?
What is Physical change
200
AX +BY yields AY +BX is the general form for which type of reaction?
What is double -replacement
200
When a binary compound decomposes this is produced
What is two elements
200
Reaction that combines 2 or more substances into a new (single) compound
What is synthesis reaction
200
Gas law involved when a balloon pops after being sat on
What is Boyle's Law
300
In a chemical reaction what is the relationship between the total mass of the reactants and the total mass of the product?
What is They must be equal
300
C2Cl4 + Cl2 yields C2Cl6 is which type of chemical reaction
What is synthesis
300
A substance that produces hydrogen ions in water
What is an acid
300
A factor that speeds up a chemical reaction
What is catalyst
300
At a pressure of 5.0 atmospheres, a sample of gas occupies 40. liters. What volume will the same sample occupy at 1.0 atmosphere?
What is 200 liters.
400
In a chemical equation the number of molecules of a given substance is indicated by a
What is coefficient
400
A solid produced by a chemical reaction in solution that separates from the solution
What is precipitate
400
A blue or red indicator used to test for acids or bases
What is litmus paper
400
Released or absorbed in a chemical change
What is energy
400
Of the following temperatures, at which will a gas diffuse through a room most rapidly? 20 degrees C
30 degrees C, 0 degrees C, 10 degrees C.
What is 30 degrees C
500
In balancing a chemical equation, you are allowed to
What is write coefficients
500
According to the law of conservation of mass, the total mass of the reacting substances is
What is always equal to the total mass of the products
500
The measure of acidity in terms of hydroniumn ion concentration
What is pH
500
Reaction that releases energy on the product side of a chemical equation
What is exothermic
500
In which container will the pressure be the lowest for one mole of molecules held in the following containers at identical temperatures: 10 liter jar, 1 liter jar, 50 liter jar or 22.4 liter jar?