Write the chemical reaction for the combustion of Hexane. Please include phases.
What is 2 C6H14(g) + 19 O2(g) --> 12 CO2(g) + 14 H2O(g)
100
If my theoretical yield of NO3 is 20 grams and my actual yield is 15 grams of NO3. What is my percent yield in mols?
74.92%
100
Name all of the diatomic elements
H2, N2, F2, O2, I2, Cl2, Br2
100
A bond between a metal and a nonmetal that occurs through a transfer of electrons.
What is ionic bond
200
FeO
What is Iron(II)Oxide
200
Write the chemical reaction for Potassium iodide(aq) and lead(II) nitrate(aq). Include phases.
What is 2KI(aq) + Pb(NO3)2(aq) --> 2KNO3(aq) + PbI2(s)
200
What is the percent composition of Copper in CuBr2?
28.4%
200
What is the difference between strong and weak Acids/Bases?
Strong Acids/Bases completely dissociate and can be written/broken up into ions in ionic and net ionic equations while weak acids/bases do not completely dissociate and cannot be written/broken up into its ions. Weak acids/bases must remain as a compound in ionic and net ionic equations.
200
A bond between two nonmetals that occurs through sharing electrons.
What is Covalent Bond
300
HC2H3O2
What is Acetic Acid
300
Write the complete chemical reaction for Sulfuric Acid and Sodium Hydroxide and be sure to include phases.
What is H2SO4 + 2NaOH --> 2H20 + Na2SO4
300
How many liters of a 0.125 M NaOH solution contain .255mol of NaOH?
2.04L
300
Write the oxidation states for the ions in Na2CO3
Na= +1
C= +4
O= -2
300
What is the difference between reduction and oxidation
reduction is the gain of electrons or decrease in oxidation state and oxidation is the loss of electrons or increase in oxidation state.
400
HCl
What is Hydrochloric Acid
400
Write the net ionic equation for Hydrochloric acid reacting with Sodium Hydroxide
What is What is H+(aq) +OH-(aq) --> H2O(l)
400
A 2.00 g sample of ammonia is mixed with 4.00 g of oxygen. Which is the limiting reactant and how much excess reactant remains after the reaction has stopped?
4 NH3(g) + 5 O2(g)4 NO(g) + 6 H2O(g)
Oxygen is the limiting reactant and .30g of ammonia are in excess
400
In the following reaction who is being reduced and who is being oxidized: 2Na + O2 --> Na2O2
Sodium is being oxidized and oxygen is being reduced
400
When this is achieved the acid and base are in a 1:1 stoichiometric ratio
What is Equivalence point
500
CuSO4 * 6H2O
What is Copper (II) Sulfate hexahydrate
500
Write the chemical reaction for K2S(aq) reacting with H2SO4(aq) with correct phases
What is K2S(aq) + H2SO4(aq) --> K2SO4(aq) + H2S(g)
500
You have 1L of 10M NaCl stock solution. Prepare 2L of 1M NaCl solution.
Take 200ml(.2L) of stock solution then add 1.8 liters of water to make 2L of 1M NaCl dilute solution.
500
NutraSweet is 57.14% C, 6.16% H, 9.52% N, and 27.18% O. Calculate the empirical formula of NutraSweet and find the molecular formula. (The molar mass of NutraSweet is 294.30 g/mol)
What is C14H18N2O5
500
What is the difference between a precipitation and neutralization reaction.
Precipitation produces a precipitate and neutralization has an acid and a base in the reactants.