Answer Options:
Answer: 52 mi/gal
Question: Which molecule has the HIGHEST vapor pressure?
Answer Options:
HCN
CSO
NH3
CO2
Answer: NH3
Question: Which element would definitely form an ionic bond with sulfur?
Answer Options:
boron
oxygen
iodine
indium
Answer: indium
Question: Give the correct number of neutrons in each of the following.
Answer Options:
in a nitrogen atom with mass number 15.
in an oxygen atom whose mass number is 15.
in a carbon atom with the same number of protons and neutrons.
in a neon atom with one more proton than the number of neutrons.
in a fluorine atom with mass number 19.
Answer: 8
7
6
9
10
Question: Which compound is a molecule?
Answer Options:
CS2
V(CO3)2
Ga2O3
NH4NO3
Answer: CS2
Question: The name of HClO is ______.
Answer Options:
hydrochloric acid
perchloric acid
chloric acid
hypochlorous acid
Answer: hypochlorous acid
Question: Calculate the % (m/m) for 92 g of NaOH dissolved in 400 g of NaOH solution.
Answer Options:
Answer: 23
Question: How many pounds are in 3.521 kg? 1 kg = 2 lb
Answer Options:
Answer: 7.042
Question: Which of these is a strong acid?
Answer Options:
H2SO4
HF
H3BO3
HNO3
HIO3
Answer: HNO3
Question: Which atoms have the same number of protons?
Answer Options:
Answer: This information is not visible in the provided image.
Question: An allegedly gold nugget is tested to determine its density. It is found to displace 19.3 mL of water and has a mass of 371 g. Is it reasonable to call this gold? (It’s not cheating to use the internet on this one.)
Answer Options:
Answer: Yes
Question: What type of reaction is in Q8?
Answer Options:
combustion
synthesis/combination
double displacement
decomposition
Answer: combustion
Question: Using your metric conversions, extrapolate the missing values.
Answer Options:
1 g = _____ kg
1 m = _____ mm
1 cm = _____ mm
1 dL = _____ mL
1 mL = _____ cc
Answer: 0.001
1000
10
100
1
Question: What is the mass of a 2.00 L solution with a density of 1.15 g/cc?
Answer Options:
Answer: 2.30 kg
Question: Complete the following statements about the molecule AsBr3. (The structure is listed above)
a. There are ___ electron groups (i.e., atoms and lone pairs) around the central As atom.
b. The number of atoms attached to the central As atom is ___.
c. The polarity of the molecule is ___.
Answer Options:
Answer: a. Four
b. Three
c. Polar
Question: If 4.0 grams of sodium metal and 4.0 grams of chlorine gas react, which reactant is the limiting reagent?
Answer Options:
Answer: chlorine
Question: If the pressure of a gas at 25°C is 2.56 kPa, what is the pressure of the gas in atmospheres?
Answer Options:
Answer: 0.02532 atm