Conceptuals
The symbol Mn corresponds to what element?
Manganese
What is the name of NO2?
nitrogen dioxide
Convert 5600 mg to kg
5.6x10-3
What is the volume of a cube with a side length of 33.98 cm?
39240 cm3
What is the atomic mass of Cl-44
44 g
Is boiling point a physical or chemical property?
chemical
What is the name of KNO3?
potassium nitrate
Convert 10.3 mi/hr to in/min. (1 mi = 5280 ft)
1.09x104 in/min
What is the molar mass of H2ClO2?
69.466 g
How many electrons are in Ca3+?
17
Is HCl a strong or weak electrolyte when dissolved in water?
strong
Give the formula for hydrosulfuric acid
H2S
The density of air at room temp and at sea level is 4.99 g/L. What is it's density in g/mL?
4.99x10-3 g/mL
If the density of a certain alcohol is .432 g/mL, what mass of the alcohol would have a volume of 235.5 mL?
102 g
The number of protons and neutrons in argon-38 is:
18 protons and 20 neutrons
Give the formula for lead (II) sulfate
PbSO4
Convert 8.75 moles of CaCl2 to atoms.
5.269x1024 atoms
Give the molar mass for C13H16ClNO (Ketamine)
237.708 g/mol
List the number of protons, neutrons, and electrons in 35Cl-
p= 17
n= 18
e=18
Which Scientist explained that a chemical reaction is a arrangement of atoms into one or more differerent chemical substances?
Dalton
What is the name of HClO2
chlorous acid
A chemical reaction produces 7.9g of barium sulfate, BaSO4. What amount of atoms of barium sulfate is produced?
2.03x1022 atoms
Naturally occuring copper consists of copper-63 (62.9296 amu) and copper-65 (64.9278 amu). Using the relative atomic mass from the periodic table, what is the percent abundance for each isotope?
copper-63 = 69.2%
copper-65= 30.8%
Give the isotope notation for an ion that has 12 protons, 12 neutrons, and 10 electrons
2412Mg2+