Show:
Bonding
Balancing Equations & Gases
Thermochemistry
Acids & Bases
Carbon Chemistry, Shapes & Biomolecules
100
What type of bond forms between a metal and a nonmetal (or a polyatomic ion)?
ionic
100
What do you use to balance equations?
Coefficients
100
a reaction that releases energy is called an _____ reaction
exothermic
100
A substance that releases H+ in water?
acid
100
What is the name of C3H8?
propane
200
A covalent bond occurs between
2 or more nonmetals
200
Balance the following equation: ___ H2 + _____ O2 --> _____ H2O
2 H2 + O2 --> 2 H2O
200
define endothermic reaction
reaction that absorbs energy from surroundings
200
Is LiOH an acid, base, or neutral?
base
200
What do you call something that has the same molecular formula, but a different structural formula?
isomer
300
Name the following compound: NaF
sodium fluoride
300
If volume decreases, what happens to pressure?
increases
300
which state of matter conducts electricity the best?
solid
300
acid, base, or neutral? pH = 3.2
acid
300
Draw a linear molecule
O=C=O
400
Name the following molecule: CCl3
carbon trichloride
400
If temperature increases, what happens to volume?
increases
400
Why are gases poor conductors of heat?
particles are too far apart, not likely to bump into each other
400
What 2 products always form when you mix an acid with a base?
salt & water
400
Are the following monomers or polymers? sugar, nucleotide, amino acid
monomer
500
name the following compound: FeO
iron (II) oxide
500
write and balance the following equation: sodium phosphate reacts with lithium fluoride to produce sodium fluoride and lithium phosphate.
Na3PO4 + 3LiF --> 3NaF + Li3PO4
500
Why are there flat spots on a heating curve?
temp doesn't change while a substance is changing states
500
Predict the products of this acid-base neutralization reaction: H2SO4 + NaOH -->
Na2SO4 + HOH
500
List 2 polymers.
proteins, nucleic acids (RNA or DNA), and carbohydrates