This type of renewable resource harnesses energy from heat inside the Earth.
What is Geothermal energy?
100
It has an atomic number of 63.
What is Europium?
100
The number of carbons in propane.
What is 3 carbons?
100
In a saltwater solution, ______ is the solvent and _____ is the solute.
What is water is the solvent and salt is the solute?
100
The pH of a 0.03 M solution of NaOH. (to one decimal place)
What is a pH of 12.5?
200
Most of the water on Earth is found here.
What is in Glaciers and ice caps?
200
The mass of 3 mol NaCl.
What is 175.3 g NaCl?
200
What is Carbon-12 after an alpha decay followed by a beta decay?
What is Boron-8?
200
The sum of all the coefficients in this chemical equation when it's balanced: __Na2SO4 + __KCl > __NaCl + __K2SO4
What is 1+2+2+1 = 6?
200
Boyle's relationship between the volume and _____ of a gas. When volume goes up, ______ goes _________.
What is Volume and Pressure of a gas. When volume goes up, pressure goes down.
300
Water has this special type of attraction that gives it a high boiling point and surface tension.
What is hydrogen bonding?
300
Number of neutrons in Titanium-47.
What is 25 neutrons?
300
This type of reaction happens in the sun to form this element.
What is a fusion reaction to form Helium?
300
This system (give name) can be used to explain why diamond can only be scratched by another diamond.
What is the Mohs Hardness scale?
300
A mountain climber's oxygen gas tank is 1L at 0 deg C and 1 atm. (Give answer to 2 significant figures.) This is how many moles of oxygen gas he has left.
What is 0.045 moles of Oxygen gas?
400
In the recent news, lead was found in the water of this area of the US. (Give city and state)
What is Flint, Michigan?
400
I am the largest of the halogens.
What is Astatine?
400
This alkane has a molar mass of 58 g/mol. (give its name)
What is butane?
400
The total number of lone pair electrons in the Lewis Dot Structure for CO2. (Give the number of pairs, not electrons.)
What are 4 lone pairs of electrons?
400
You mix HBr and LiOH in a flask and get these products.
What are H2O and LiBr?
500
Water that contains carbonates is known as this.
What is hard water?
500
It's the chemical formula for Copper (II) Phosphate.
What is Cu3(PO4)2?
500
We made ester fragrances by mixing an _______ and an _______.
What is an alcohol and an acid?
500
This mineral is a combination of Fayalite and Forsterite.
What is Peridot?
500
When acids react with carbonates, this gas is released.