Mwalimu Potpourri
Mwalimu lived in this country from 2012-2024.
What is Ethiopia?
What the numbers '2' and '3' are called in the following equation:
Zn + Cu(NO3)2 -> Zn(NO3)2 + Cu
What are subscripts?
Three of the five ways to speed up a chemical reaction.
What is increase the temperature, decrease the volume, increase the concentration, increase the surface area, and add a catalyst?
This process is defined as the gaining of electrons in a redox reaction.
What is reduction?
This kind of bond dissolves in water and has a very high melting point.
What is an ionic bond?
Mwalimu has this many children.
What is four?
The coefficients needed to balance this reaction:
HCl + Ca(OH)2 --> CaCl2 + H2O
What are 2, 1, 1, 2?
The type of reaction shown below:
CuCO3 --> CuO + CO2
The element being oxidized when aluminum metal is added to copper (II) nitrate.
What is aluminum?
A liquid at room temperature that does not dissolve in water and does not conduct electricity has this kind of bond.
What is non-polar covalent?
Mwalimu Polk's middle name.
What is Alan?
The number of oxygen atoms represented in Al(NO3)3
What is nine?
The products produced when methane (CH4) is burned in air.
What are carbon dioxide and water?
The oxidation number of sulfur in sulfuric acid (H2SO4).
What is +6?
The molecular shape of carbon tetraflouride (CCl4).
What is a tetrahedron?
Mwalimu was awarded Outstanding Student of the Year in science classes this many times in high school and college.
What is four? Outstanding Biology Student of the Year (1996); Outstanding Science Student of the Year (1996); Outstanding Chemistry Student of the Year (1997); Outstanding Science Student of the Year (2000)
The number of hydrogen atoms in one molecule of phosphoric acid?
What is three?
The expected products when sodium acetate (NaC2H3O2) is mixed with calcium chloride (CaCl2).
What is are sodium chloride (NaCl) and calcium acetate (CaC2H3O2)?
The oxidizing agent in the reaction:
As2O3 + HNO3 --> H3AsO4 + NO
What is HNO3?
Metallic bonds conduct electricity well because of this feature of their electrons.
What are pooled electrons free to move around?
The name of Mwalimu's wife.
Who is Liz?
The element that has 5 valence electrons, forms ions with a charge of -3, and occurs in diatomic molecules when in elemental form.
What is nitrogen?
The difference between the potential energy of the reactants and the potential energy of the products in a chemical reaction.
What is enthalpy?
The sound someone would make if they were wearing lithium jewelry.
What is "AAAAAHHHHH!!! My arm is on fire!!!" (credit to Morgan Wilson for this question)
The number of lone electron pairs on each nitrogen of a diatomic nitrogen molecule.
What is 1?