How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
States of matter, heat vs temp, changes of state.
what are the major points of a kinetic molecular theory?
Less Densse, indefinit volume, small, spread out.
How are gases diffrent thaqn liquids according to the kinetic molecular theory?
To melt the ice.
why is salt applied to icy roads?
P v. T direct
What is Gay Lussac's Graph?
volume vs. temp. direct.
what is charles law graph?
pressure vs. direct volume
what is boyles law graph?
least ordered, high enrergy, fast, random movements.
describe the characteristics of a gas?
somewhat ordered, sliding past, medium.
describe the characteristics of a liquid?
most ordered, low energy, to and from motion.
describe the characteristics of a solid?
Ionic compounds have higher melting points.
compare the boiling points of ionic and covalent compounds?
If you dip litmus paper in and acid what color will it turn to?
If you dip litmus paper in a base what color will it turn to?
clear in acids, pink in bases
How does phenolphthalien change in acids and bases?
Take the -log (ex:-log(4e-7)
How do you calculate the pH of a solution?
Taste sour, react with water and salt, reacts with metals to form hydrogen gas.
What are the characteristic of an acid?
Taste bitter, slippery.
What are the characteristic of a base?
Frezzing point is depressed when adding substances.
What is freezing point depression?
Boiling point is raised when adding substances.
What is boiling point deppression?
NO2 reacts with water.
How is nitric acid formed in the atmosher?
Sulfur dioxide and Nitrogen oxides
What makes up acid rain?
forms with water to form sulfuric acid
How do sulfur oxides contribute to acid rain?
can acid rain burn your skin?
What is lemon juices pH
Acid rain is formed by pollutants in the air mixing with wet or dry particles
How does acid rain form?
Snow, fog, gasses and dust.
What are some types of acid deposition besides rain?
An acid is a substance that has a pH of 0-6.
What is an acid?
The pH scale is something used by scientists to show how strong an acid or base is.
What is the pH scale?
pH stands for "potential of hydrogen".
What does pH stand for?
H3O+ + OH- ----> 2H2O
What is a neutralization reaction?
that part of the energy in a substance that can be released by a chemical reaction.
What is chemical energy?
on the right.
Where is energy placed in an exothermic equation?
on the left.
Where is energy placed in an endothermic equation?
is the measurement of heat created by burning any material.
What is british thermal unit?
H20 + BaCl2
Ba(OH)2 + HCl =>
H2O + Na2SO4
NaOH +H2SO4 =>
67.6 KJ + N2(g) + 2 O2(g) => 2 NO 2(g) Endothermic or Exothermic
Is the Pressure low or high in a big container?
Is the Pressure low or high in a small container?
Water and a salt
What are the products of a acid/Base reaction?
Who is the most beautiful teacher in the whole wide world?
The air gets hot causing the volume to increase and the pressure to decrease.
What happens to a cars tires on a dot day?
If you perform a reaction in a lab and the temp. of the reaction mixture decrease, is it endothermic or exothermic?
If you perform a reaction in a lab and the temp. of the reaction mixture increase, is it endothermic or exothermic?
Is lemon juice an acid or a base?
Is toothpaste an acid or a base?
Is cake an acid or a base?
Is soap an acid or a base?
The answer you will get will be the pOH, no pH.
What will happen if OH is in an equation?
An Ionic compound that doesnt have H+ or OH-
What is a salt?
sulfur dioxide, nitrogen oxides
what gases are made by burning fossil fuels
What is rain water with sulfur dioxide and nitrogen oxides dissolved in it?