Unit 1
Round the following answer to four significant figures: 509.9499 m
509.9
The bond between nitrogen and fluorine is described as ________ covalent.
polar
This consists of a solute and solvent.
Solution
(T/F) 1-butene has a cis and trans isomer.
False
Ethyl ethanoate contains this functional group.
Ester
2-5 is the electron arrangement for this element.
N - nitrogen
This reaction results in one compound being converted to two or more compounds.
Decomposition
Sugar is dissolved in water. It does not conduct electricity. What kind of electrolyte is it?
Nonelectrolyte
This reaction converts an alkene to an alkane.
Hydrogenation or Halogenation
This reaction produces proteins. It also involves a carboxylic acid and an amine along with the loss of water.
Amidation
This subatomic particle has a neutral charge.
neutron
Lowering the temperature, does what to the reaction rate?
lowers it
Of these molecules listed: NH3, HF, HCl, HBr
Which participates in hydrogen bonding?
NH3 and HF
This alcohol gets oxidized to a ketone.
Secondary
These are proteins that facilitate chemical reactions and cause a decrease in activation energy.
Enzymes
(T/F) When a piece of ice (density = 0.916 g/mL) is placed in a container of ethanol (density = 0.789 g/mL), the piece of ice will float on top of the ethanol.
False
The formula for iron (III) nitrate.
Fe(NO3)3
For a gas dissolved in a liquid, as temperature increases, gas solubility _____________.
decreases
These alkyl groups contain three carbons and have the same number of carbons and hydrogens.
propyl and isopropyl
These bonds hold complementary base pairs together in DNA.
Hydrogen bonds
Cottonwood trees can grow to a height of 33.3 yards. What is the tree’s height reported in centimeters?
3 ft = 1 yard
2.54 cm = 1 in
12 in = 1 ft
3040 cm
Is CF4 polar or nonpolar?
I need 30.0 mL of a 2.0 M salt solution. A 5.0 M solution is available. How much of the original solution do I need?
12 mL
Glucose (drawn on the board) is classified as aldose or ketose? And how many carbons?
aldose, hexose
This reaction (shown on the board) produces what products? What is the name of this reaction?
glycerol, 3 fatty acid salts, saponification