Show:
polyatomic ions
formulas
stoichometry
molecular/empirical formulas
acids and bases
100
Hydroxide
What is OH-
100
Sn3N4
What is the correct formula for tin (IV) nitride?
100
Balance the equation; CH4 + O2
CH4 + 2O2 -----> CO2 + 2H2O
100
what is the percent by mass of hydrogen in C5H11OH?
13.6%
100
bases react with acids to form...
salt and water
200
Nitrate
What is NO3-
200
Will the reaction between copper(II) and Iron (II) chloride proceed?
NO
200
If one mole of CH4 completely reacts with oxygen, how many moles of water are formed? CO2?
1 mole of CH4= 2 moles of water 1 mole of CH4= 1 mole of CO2
200
what is the molecular formula of a compound that has an empirical formula of CH2O and a molar mass of 180.0g?
What is C6H12O6
200
acids react with ammonia to form...
ammonium salt
300
Hydrogen Carbonate (bicarbonate)
What is HCO3-
300
Calcium hydroxide
What is Ca(OH)2
300
If 100.0g of CH4 reacted with 200.0L of oxygen gas (at STP) which is the limiting reagent?
O2 is the limiting reagent.
300
what is the difference between empirical formulas and molecular formulas?
molecular formula shows the total number of each atom in the molecule. empirical formula shows the ratio of the elements in the molecule.
300
acids react with carbonates to form...
salt, water, and CO2
400
SO4(2-)
What is Sulfate?
400
Lead (IV) carbonate
What is Pb(CO3)2
400
How much of the excess reagent would be left over from the previous question?
1.78 moles excess
400
what is the percent composition of carbon in pentanol, C5H11OH?
68.2% carbon
400
what is a lewis acid and base?
an acid is any species that accepts lone pair electrons. a base is any species that donates lone pair electrons.
500
PO4(3-)
What is phosphate?
500
Nitrogen Monoxide
What is NO
500
what theoretical volume of CO2 gas would be produced (in liters) from the amounts given in the previous question?
99.7 liters
500
what is the molecular formula for 43.7g of P and 56.3g of O?
P4O10
500
an anion ends in-ate
the suffix ends in-ic H2SO4-hydrogen sulfate= sulfuric acid