Loading...
SCIENCE Q4
Quiz by FJM
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
Why is gas easier to compress than a liquid or a solid?
If a balloon is squeezed, what happens to the pressure of the gas inside the balloon?
According to Charles’ Law, as the volume occupied by a given sample of gas at constant pressure is decreased, the temperature will __________.
Which of these changes would NOT cause an increase in the pressure of a gaseous system?
If the temperature remains constant, V1 and P1 represent the original volume and pressure, and V2 and P2 represent the new volume and pressure, what is the mathematical expression for Boyle’s law?
A sample of oxygen occupies 560 mL when the pressure is 800 mm Hg. At constant temperature, what volume does the gas occupy when the pressure decreases to 700 mm Hg?
How do the particles behave when the Kelvin temperature of an enclosed gas is doubled?
Which statement best explains why a hot-air balloon rises when the air in the balloon is heated?
Which phenomenon best illustrates Charles’ Law?
If the temperature of a fixed quantity of gas decreases and the pressure remains unchanged, __________.
Which biomolecules are significant features of the cell membrane?
Lactose is a disaccharide, formed when glucose and __________ are bonded together.
Atom is the basic unit of a chemical element. What are the atoms that makeup carbohydrates?
The general term for a large molecule made up of many similar subunits is __________.
Nutritional chemists have found that burning 1 gram of fat releases twice the amount of heat energy as burning 1 gram of starch. Based on this information, which type of biomolecule would cause a person to gain more weight?
Which type of biomolecule is represented by this diagram?
Which biomolecular group carries and passes on the hereditary information of the organism?
Which of the following is considered the building blocks of protein?
The excessive consumption of carbohydrates is converted into which polysaccharide stored in the liver and muscles?
The biomolecule structure below would be used for _________.
A chemical change is different than a physical change because a chemical change __________.
Which is NOT TRUE about the Law of Conservation of Mass?
In the chemical reaction CH4 + 2O2 → CO2 + 2H2O, there are reactants on the left of the equation and products on the right. If you count the atoms in the reactants, there are
Which of the following elements is considered a diatomic element?
Determine the type of chemical reaction given in the chemical equation below:
2HCl + Mg(OH)2 → Mg(Cl)2 + 2H2O
Determine the type of chemical reaction given in the chemical equation below:
2KBr (s) + Cl2 (g) → 2KCl (s) + Br2 (l)
Determine the type of chemical reaction given in the chemical equation below:
SO2 (g) + H2O (l) → H2SO3 (aq)
Determine the type of chemical reaction given in the chemical equation below:
2KClO3 (s) → 2KCl (s) + 3O2 (g)
Determine the type of chemical reaction given in the chemical equation below:
BaCl2 (aq) + H2SO4 (aq) → BaSO4 (s) + 2HCl (aq)
Which chemical equation will have equal masses from the reactant and product side?
Magnesium has an oxidation state of +2 and oxygen has -2. What would be the product, if these ions are combined?
Aluminum has an oxidation state of +3 while Chlorine has -1. What will be the compound's chemical formula if these ions are combined?
Predict the products of this equation, MgCl2 + I2 →?
Based on this unbalanced equation CaCO3 ----> ____ + CO2, what would be the other product?
What are the products of this reaction? Cu + AgNO3 -->
If a solution is acidic, it can be neutralized by adding ___________.
When carbon dioxide (CO2) gas reacts with water, ___________.
What are the possible products when two aqueous ionic solutions combine chemically?
I. Water II. Gas III. An insoluble solid
How many oxygen atoms are represented in 2 Ca(NO3)2?
The products derived from a combustion reaction are ___________.?
The product of a combination reaction is Ba(OH)2. If one reactant was H2O what was the other reactant?
Which of the following ions will NEVER form a precipitate?
Classify the chemical reaction: KOH + H2SO4 ---> K2SO4 + H2O
What does the symbol Δ in a chemical equation mean?
When potassium hydroxide and barium chloride react, potassium chloride and barium hydroxide are formed. The balanced equation for this reaction is _____.
When will chemical reactions come to a stop?
In a chemical reaction, if the reactants are heated, the reaction usually happens
Which factor affects the rate of a chemical reaction in making dough?
If more reactants are used in a chemical reaction, more products will be produced. This is because
Which statement concerning rates of reactions is TRUE?
According to collision theory, __________.
What factor accounts for the fact that powdered sugar dissolves more quickly than granulated sugar under the same conditions?
What is the general relationship between temperature and reaction rate:
A substance that increases the rate of a reaction without itself being used up is called a(n)
When the concentration of reactant molecules increases, the reaction rate increases. Which of the following best describes this?