Atomic Impact
Acid + Metal make?
Salt + Hydrogen
What's a technique to separate iron filings out from sand?
Magnetic Separation
How many carbons are on an octane molecule?
8
The first battery is named after it's Italian inventor, and is called the?
Voltaic Pile
Acid + Base = ?
Salt + Water
A technique to separate out particles of different sizes
Sieving/filtering
What's one of the 4 key biomolecule types in humans?
Lipids, proteins, carbohydrates, nucleic acids
What's enthalpy?
The energy of a system?
Acid + Carbonate = ?
Salt + Carbon Dioxide + Water
A technique to separate out a solid dissolved in a liquid?
Evaporation
What's the difference between an alkane, alkene, and an alkyne?
single bonds, vs double bonds, vs triple bonds
What's entropy
The state of disordedness/chaos of a system
Fat/oil/hydrocarbon + Base = ?
Soap (Saponification)
A technique to separate out a homogenous mixture of 2 liquids?
Distillation
What is the word equation for respiration?
Oxygen + Glucose -> CO2 + Water (+ energy)
Is an exothermic reaction expected to have dH < 0?
Yes - there is less energy (thus change in Enthalpy is negative) as it's lost energy to the surroundings, which we feel as heat!
The process by which energy is made from combining two atoms together is called?
Fusion!
What's the difference between complete, and incomplete combustion?
Complete = more oxygen. Fuel + O2 -> Water + CO2
Incomplete = less oxygen. Fuel + O2 -> Water + CO + C
What's a gravimetric analysis?
Determining the composition of a mixture by percentage mass of each component (or smth close enough)
Fermentation via yeast (as conducted in class) produces _____ under _______conditions?
Alcohol and anaerobic (no oxygen)
What are the 3 key components of a galvanic cell?
Electrodes, salt bridge, electrode solution, voltmeter