This is the separation, combination or rearrangement of atoms, where the atoms can not be created or destroyed.
What is a chemical reaction?
Which trait applies to Fe2O3
Is it: an element, a covalent compound, an ionic compound, homogeneous mixture, heterogeneous mixture.
Ionic Compound
The ratio of the pressure to temperature of an unknown gas in an unchanging container is found to be 0.75 atm/K, if the final temperature is measured to be 50 Celsius, what is the new pressure.
242.25 atm/240 atm(2 Sig Fig)
A Norse explorer thought to set foot on America before Christopher Columbus.
Who is Leif Erikson?
Queensborough community college was founded when?
1959
An atom that has had a change in the number of electrons.
What is an Ion?
What is the reducing agent?
MnO2 + 4H+ + 2Cl- -> Mn2+ + 2H2O + Cl2
Cl-
63.2 mL of 0.200 M MgCl2 how many moles of MgCl2
0.01264 Moles / 0.0126 Moles
This 1997 movie focuses on a janitor at MIT.
What is Good Will Hunting?
New Amsterdam
An element that has had its number of neutrons changed is called this.
What is an Isotope?
What is the chemical formula for Iron (III) nitrate nonahydrate?
Fe(NO3)3 * 9H2O
KHC8H4O4(aq)+ NaOH(aq) ->KNaC8H4O4(aq) + H2O(l)
18.68mL of a NaOH Solution neutralizes 0.4218 g of KHC8H4O4 what is the concentration of the NaOH solution.
0.1106 M NaOH
From a flowering plant, the Aztecs used it as a chocolate enhancer and the Spanish called it this, meaning “little pod.”
What is vanilla?
What is the first country to grant women's suffrage?
New Zealand (1893)
Activity
Each group has 1 minute to write down the name for as many physical changes they can remember(there are 6).
(ie. what is the change liquid to solid called?)
A compound is composed of 28.03% Mg, 21.60% Si, 1.16% H, 49.21% O by mass. What is the empirical formula of the substance if :
MM H = 1.01g/mol, MM O =16.00 g/mol, MM Mg = 24.31 g/mol, MM Si = 28.09 g/mol
Mg3Si2H3O8
_AgNO3(aq) + _Na2SO4(aq) -> _________
Will form a precipitate, what is the ionic formula?
2Ag+ + 2NO3- + 2Na+ + SO42- -> Ag2SO4 + 2Na+ + 2NO3-
In 1921, he was appointed as an advisor on Arab affairs to then British Colonial Minister Winston Churchill
Who was Thomas Edward Lawrence, aka Lawrence of Arabia.
What 1940's invention was found to be in the blood stream of almost every American.
PFAS/PTFE. Aka Teflon.
In this bond electrons are shared unequally between two atoms.
Polar Covalent
The density of C2H6(g) at 28 C was determined to be 1.52 g/L. What is the pressure of C2H6?
1.25 atm
What is the oxidation half of Fe+Mg(NO3)2 -> Fe(NO3)2 + Mg
Fe0 -> Fe2+ + 2e-
Real Final Jeopardy.
In 1994, Wired magazine described this 4- letter word as an idea leaping "from mind to mind... as viruses leap from body to body"?
What is a meme?
Activity
Team who picked this tile, picks another team to do one round of rock paper scissors with.