Chemical Compounds
Acid, Base, Salt, or Covalent molecule? Ca(OH)2 ?
Base
Name something that will speed up a reaction
various
What is the molar mass of K?
39.1 g/mol
How many oxygen atoms are in Ca(OH)2?
2 O atoms
What is the shape of a H2O molecule
bent
Acid, Base, Salt, or Covalent molecule? SrCl2 ?
salt
Name something that will speed up a reaction
various
What is the molar mass of KCl?
74.5 g/mol
Balance the following reaction:
___Al + ___CuCl2 --> ____Cu + ____AlCl3
2Al + 3CuCl2 --> 3Cu + 2AlCl3
What is the shape of a CH4 molecule?
tetrahedral
Acid, Base, Salt, or Covalent molecule? H2SO3 ?
Acid
What type of reaction is this
2NO2 --> N2 + 2O2
decomposition
What is the molar mass of NaNO3?
85 g/mol
What are the reactants?
Al + CuCl2 --> Cu + AlCl3
Al and CuCl2
Which of the following is polar? CO2, CI4, CI3Cl
CI3Cl
Acid, Base, Salt, or Covalent molecule? NaNO3?
salt
CH3OH has an alcohol smell, and CH3SH has a "rotton egg" smell and is an indicator of natural gas leaks. Why do these chemicals have different smells?
They have different formulas, so they are different chemical compounds with their own unique properties.
What is the molar mass of Ca(NO3)2?
164 g/mol
2H2O --> 2 H2 + O2
If I started with 6 moles of H2O, how many moles O2 would be produced?
3 moles O2
What type of bond is found between Cu-Cu
metallic
Acid, Base, Salt, or Covalent molecule? CO2?
molecule
What type of reaction is this?
MgCl2 + Li2CO3 --> MgCO3 + 2 LiCl
double replacement
What is the molar mass of Na3PO4?
163.9 g/mol
2H2O --> 2 H2 + O2
If I started with 9g of H2O, how many grams of H2 would form?
1 gram H2
What is the formula when Ca2+ and Cl- bond?
CaCl2