NEW
Font size
WorksheetsUnits 4-6 Cumulative Review
Total questions: 23
Worksheet time: 17mins
Which list of coefficient values will balance this equation?
____ N2 + ____H2 ---> ____ NH3
2,2,1
2,3,1
1,1,1
1,3,2
How many grams of NaNO3 (aq) were produced in this reaction?
10 g
20 g
40 g
50 g
What type of reaction is shown by the illustration?
Synthesis
Decomposition
Single Replacement
Double Replacement
What type of reaction is:
2 Mg + O2 ---> 2 MgO
Synthesis
Decomposition
Single Replacement
Double Replacement
What can you CHANGE/ADD to balance a chemical equation?
elements
subscripts
superscripts
coefficients
Tristen poured 20g vinegar onto 25g of baking soda in an open beaker. After the reaction there was 40g of product. Why was some mass lost?
Some of the mass escaped as a gas
Some of the vinegar didn't react
Baking soda is heavier than vinegar
The Law of Conservation of Mass is wrong
What type of reaction is shown below?
AB ---> A + B
Synthesis
Decomposition
Single Replacement
Double Replacement
In which type of reaction will two different compounds react to form two NEW compounds? This type of reaction may also form a precipitate.
Sythesis
Decomposition
Single Replacement
Double Replacement
What law(s) is illustrated by this experiment?
Gas Laws
Law of Conservation of Mass
Law of Conservation of Energy
Law of Gravity
Matter with a definite volume and shape where particles vibrate in place is called a ____
Solid
Liquid
Gas
Plasma
When a liquid cools into a solid, what happens to the particles?
The solid molecules are LARGER than the liquid molecules
The solid has lower mass than the liquid
The molecules move slower in the solid than in the liquid
The molecules in the liquid are closer together than in the solid
A gas bubble in water rises under constant temperature. What happens to the gas as it rises to lower pressure?
The size (volume) of the bubble increases
The size (volume) of the bubble decreases
The number of gas molecules in the bubble increases
The number of gas molecules in the bubble decreases
A gas law experiment gives this graph. Based on the graph, I know ___.
Volume is held constant
Pressure is held constant
Temperature is held constant
What happens to the volume of a gas if you increase the temperature?
Volume increases
Volume decreases
Volume stays the same
Volume is constant
At which part of the graph does the substance exist as a liquid and a gas?
Part A
Part B
Part C
Part D
Which of the following will NOT help a solute dissolve faster?
Stirring
Increasing temperature
Add more solute
Increasing surface area
Which of the following substances will turn litmus paper blue?
H2SO4
NaOH
HCl
HBr
Which of the following pH values is the MOST acidic?
7.5
6.8
4.5
3.8
Which of the following is true about reactants?
They are the new substances produced in a chemical reaction
They are on the right side of the "yields" arrow
They are on the left side of the "yields" arrow
They have a higher mass than the products
When a strong base and a strong acid are reacted together, what is produced?
A neutral solution
A basic solution
acids and bases can NEVER be reacted
An acidic solution
Which substance will be saturated when 40g are dissolved in 100mL of 50°C water?
KNO3
KCl
Na2SO4
What kind of KNO3 solution exists when you dissolve 120g in 20°C water?
Unsaturated
Saturated
Supersaturated
Diluted
Which phase of matter do particles slide past each other in a definite volume, but without a fixed shape?
Solid
Liquid
Gas
Plasma
