Covalent bonds
Covalent bonds are generally made up of these elements.
What are non-metals?
The study of relationships between the amounts of reactants used and the amount of products formed in a chemical reaction.
What is stoichiometry?
Balance the following equation:
Zn + HCl --> ZnCl2 + H2
Zn + 2HCl --> ZnCl2 + H2
2Al + 3CuSO4 --> 3Cu + Al2(SO4)3
If 25.3 grams of Al reacts with 25.3 grams of CuSO4, what is the limiting reactant?
What is CuSO4?
Three types of evidence that can show a chemical reaction has occurred.
What is color/temp change, formation of precipitate, formation of gas/bubbles?
The octet rule exception displayed here:
ICl4-
What is expanded octet?
Matter is neither created nor destroyed in a chemical reaction.
What is the law of conservation of mass?
Assume the following reaction will occur. Complete the reaction. ( you do not need to balance for points)
Ca + Al(NO3)3 -->
What is :
Ca(NO3)2 + Al
2Al + 6HCl --> 2AlCl3 + 3H2
If 52.6g of HCl are used and 18.3g of Al are used, what is the excess reactant?
What is Al?
Name the following binary covalent compound:
P2O5
What is diphosphorous pentoxide?
Name the molecular shape for PF5.
What is trigonal bipyramidal?
What are the excess reactants?
Zn + 2HCl --> ZnCl2 + H2
How many moles of HCl are required to produce 7.50 moles of ZnCl2?
What is 15.0 mol HCl?
3Si + 2N2 → Si3N4
When 21.44 moles of Si reacts with 17.62 moles of N2, how many moles of Si3N4 are formed? (determine the limiting reactant first!) round the the nearest 10th
What is 7.1 mol Si3N4?
Draw molecular structure for the following molecule:
SF6
Bonus: 100 pts for properly naming the shape
What is octahedral?
What is polar covalent?
What is a molar ratio?
4Al + 3O2 --> 2Al2O3
How many grams of oxygen are required to produce 0.75 moles of Al2O3?
What is 36g O2?
2CuCl2 + 4KI → 2CuI + 4KCl + I2
When 0.74 moles of CuCl2 reacts with 0.87 moles of KI, the limiting reactant is KI. How many grams of CuI will be produced?
(round to the tenth)
What is 82.8 grams CuI?
Assume the reaction will take place. Complete the reaction:
Ca(OH)2 + HNO3 -->
What is Ca(NO3)2 + H2O?
Name the following acid:
HClO4
What is perchloric acid?
What is the limiting reactant?
C2H4 + 3O2 --> 2CO2 + 2H2O
If you start with 45 grams of C2H4, how many grams of CO2 will be produced? (round to the nearest 10th)
What is 141.2g CO2?
2NaCl + Pb(NO3)2 --> 2NaNO3 + PbCl2
How many grams of lead(II)chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2? (find the limiting reactant first!) round to the tenth
What is 36.2 grams of PbCl2?
A sample of 0.53 g of carbon dioxide was obtained by heating 1.31 g of calcium carbonate. What is the percent yield? (round to the tenth)
CaCO3 --> CaO + CO2
What is 91.9% yield CO2?