Jane can still pump air in the party balloon even though it's already inflated. What explains this phenomenon?

What happens to the lungs of a scuba diver as it moves closer to the sea floor?

What phenomenon best illustrates Charles' Law?

Records show that the incidence of tire explosion is high during summer season. Which of the following gives the best explanation for this observation?

This theory explains the states of matter, and is based on the idea that matter is composed of tiny particles that are always in motion.

Which property does not describe a gas?

Which of these is NOT correct under Kinetic Molecular theory?

Which of the following illustrates mathematical statement for Charles’ Law?

Why does the air pressure inside the tires of a car increase when the car is driven?

What does the constant bombardment of gas molecules against the inside walls of a container produce?

Which temperature represents absolute zero?

Suppose the temperature of the air in a balloon is increased. If the pressure remains constant, what quantity must change?

A sample of argon gas at standard pressure occupies 1000 mL. At constant temperature, what volume does the gas occupy if the pressure increases to 800 mm Hg? (standard pressure = 760 mm Hg)

A 180.0 mL volume of gas is measured at 87.0°C. If the pressure remains unchanged, what is the volume of the gas at standard temperature of 273 K?

Biomolecules are also called biopolymers. Which of the following examples is not a biomolecule?

Which is true about disaccharides?

Biomolecules are complex organic molecules which form the basis of life, which of the following elements is NOT a main constituents of organic molecules?

What do you call the macromolecule that is responsible for "instant energy" of the body?

Which macromolecule is responsible for heredity traits?

It is said to be the most abundant macromolecules occurring in almost all parts of the cell?

Which of the following statement is NOT true about biomolecules?

A chemical change is different from physical change because in a chemical change __________.

In a chemical reaction...

The substance that enters into a chemical reaction is called __________.

Which is true for a balanced chemical equation?

In the chemical reaction CH₄ +  2O₂  ---->  CO₂ +  2H₂O, which of the following correctly represents the number of atoms of each element in the reactant side?

Which four coefficients are required to balance the equation?

___ Na_(s)  +  ___H₂O   ----->    ___ NaOH_(aq)   +  ___ H₂ ?        

In a balanced chemical equation, which of the following are you allowed to do?

When a certain cold medications are added to water, they bubble and fizz. These bubbles are an indication of __________.

What type of chemical reaction is illustrated by the given chemical equation?

H₂O_(l)+ MgO(s)  →  Mg(OH)_2(S) 

What type of chemical reaction is illustrated by the given chemical equation?

2NaCl(s) + F₂(g) → 2NaF(s) + Cl₂(l)  

Which chemical equation correctly represents the reaction between magnesium and chlorine to produce magnesium chloride?

The products derived from a combustion reaction are __________.

Based on this unbalanced equation CaCO₃   ----> ____ + CO₂, what would be the other product?

What kind of chemical reaction occurs where an acid reacts completely with a base to produce water and a salt?

What are the possible products when two aqueous ionic solutions combine chemically?

I. Water

II. Gas

III. An insoluble solid

Predict the products of this equation.

MgCl₂ + I₂ →_______

In the equation 2FeSO₄(s) + Heat → 2Fe₂O₃(s) + SO₂ (g)+ SO₃(g),

Some chemical reactions require a substance called catalyst. The main purpose of a catalyst to __________.

If you freeze tomatoes in the summer, you can use them in cold season. The factor that slows down the rate of reaction here is ______.

When will chemical reactions come to a stop?

Which ingredient should be added in making bread to have a better dough?

Predict the products and then balance the chemical reaction.

SiI₄ + Mg → (single replacement)

Predict the products and then balance the chemical reaction.

NH₃  → (decomposition)

Predict the products and then balance the chemical reaction.

Beryllium silicate is heated (decomposition).

What happens to the reaction rate if the concentration of reactants decreases?

Which factor affects the rate of a chemical reaction in making dough?

^{I need your opinion}Homework should be banned._{Just messing. Good luck with the exams~}