What formula indicate the relative number of atoms of each kind in a chemical compound?
chemical formula.
100
What is used to find the general formula for ionic compounds, the absolute value of the positevely charged ion and make it the subscript for negatively charged, vice versa?
Criss cross method
100
What is molar mass?
The mass of one mole of a pure substance, written in g/m which equals the atomic mass of an element.
100
What states that the total mass of reactions must equal the total mass of products for any given chemical reaction?
Law of Conservation
100
What is mole ratio?
It is the amount of moles of any two substances in a chemical reaction.
200
what is the number of electrons that must be added or removed from an atom to convert the atom to an element?
Oxidation number
200
What is the product for the formula G^4+ and Z^5?
G5Z4
200
Hydrogen gas and oxygen gas have what type of product?
synthesis
200
Balance the following equation and state the reaction: H2+N2 -> NH3
3H2+N2 ->2NH3 synthesis
200
Use the following chemical equation to find the amount of moles of NaBr with 0.69 mol Br: Br2 + 2NaI --> 2NaBr + I2
1.4 ol NaBr
300
CO2 has 78.1% of C and 21.9% of O (made up %s) making 7.22 mol C and 21.7 mol H... what was done here?
Empirical formula
300
What is the symbol, oxidation number for Calcium?
Ca, 2+
300
There are 2.74g of Cr, 0.41g of K and 0.79g O, find the percentage composition of the compound.
69.4% Cr, 10.4% K, and 20.2% O
300
Predict the product of AlCl3(aq) + AgNO3(aq).. then balance the formula.
AlCl3(aq) + 3AgNO3(aq) -> 3AgCl(s) + Al(NO3)3
300
How many grams of NaCl are in the following formula with 0.29g of NaI: 2Cl +2NaI -> 2NaCl + I2
0.11g NaCl
400
Berryllium --> Be2+ is an example of
A monoatomic ion
400
What is the compound name for Fe(HCO3)3?
Iron bicarbonate
400
There are 0.847g of CO and it is 50.51% C and 49.49% O what is the molar mass of each element?
0.428g F and 0.419g Fe
400
Write the word equation for the following chemical equation: Zn(s) + 2HCl(g) -> ZnCl2(aq) + H2(g)
Zinc metal + hydrogen chloride -> zinc chloride + hydrogen gas
400
There are 1.82 liters of Carbon. How many grams of glucose are there when glucose produces ethanol and carbon dioxide?
7.32 g C6H12O6
500
NH4 is an example of a...
Polyatomic ion
500
What is the chemical formula and the compound name for Al^3 and N^3?
AlN aluminum (III) nitride
500
Determine the empirical formula of a compound containing 2.16g Na, 3.85g S and 7.68g O.
Al2(SO4)3
500
Calculate the percentage composition of CaO.
Ca = 72%
O = 28%
500
What is the mass of SO2 when their reaction has 31.5g S8 and 8.65g O2?