Chemistry
The lab tool best suited to measure 50.0 mL of water.
What is a graduated cylinder?
This type of substance conducts electricity well as a solid
What is a metal?
This state of matter is an ionized gas.
What is a plasma?
The boiling of water is this type of process.
What is an endothermic process?
The volume of a gas inside a hot air balloon will do this when heated.
What is increase?
Ionic bonds form when this happens to electrons
What is they are transferred?
The mole ratio of Al to O2 in 4Al + 3O2 -> 2Al2O3
What is 4:3?
A sea of electrons is found is this type of bond
What is a metallic bond?
This is the group number of the alkaline earth metals family.
What is 2?
The products of the reaction between Na and HF
What are NaF and H2?
The formula for calcium phosphate
What is Ca3(PO4)2?
The phase change from a gas to a liquid
What is condensation?
C6H12O6 + 6O2 -> 6CO2 + 6H2O is an example of this main type of reaction
What is combustion?
The electron configuration for oxygen
What is 1s22s22p4?
3.40 km in m
What is 3400 m?
The volume of a gas at 2.00 atm if it occupied 4.0 L at 3.00 atm (the temperature stayed constant).
What is 6.0 L?
This/these are the IMF force(s) present in NH3.
What is London dispersion forces, dipole-dipole forces, and hydrogen bonding?
A substance forms hydronium ions when mixed with water, turns litmus paper red, and has a sour taste. Its pH will be above or below 7?
What is below 7 (an acid)?
The balanced reaction for C2H6 + O2 -> CO2 + H2O
What is 2C2H6 + 7O2 -> 4CO2 + 6H2O?
Solution A is made of 0.48 mol of NaCl in a 0.20 L solution. Solution B is made of 4.8 mol of NaCl in a 20. L solution. This solution has the higher concentration.
What is Solution A? (2.4 M vs. 0.24 M)
You are adding baking soda and vinegar together, and observe bubbles as the reaction occurs. The bubbling stops, so you add more vinegar, but you do not observe any more bubbles. This is the excess reactant.
What is vinegar?
The reason that gases are compressible while solids and liquids are not
What is their is a lot of space between their particles?
2Al2O3 -> 4Al + 3O2 is an example of this main type of reaction
What is a decomposition reaction?
You are running a soda can calorimetry experiment on a chip. The 50.0 g of water in your soda can goes from 22.0 degrees Celsius to 45.0 degrees Celsius. According to you experiment, how many calories are in the chip? (The specific heat of water is 1.00 cal/g*deg C) (q=mCp triangle T)
What is 1150 calories (or 1.15 Calories)?
Rutherford drew this conclusion from the fact that during his experiment most alpha particles passed straight through the gold foil with a few deflected sharply
What is the atom is mostly empty space with a small, dense, positively charged mass in the middle?