Passing Ideal Gas
This law states that pressure and volume are inversely related when temperature is constant.
What is Boyle's Law?
What number is known as Avogadro’s number?
What is 6.022 x 1023 particles, molecules, formula units.
H2 + Cl2 -> HCl
Balanced Equation:
H2 + Cl2 -> 2HCl
In a chemical reaction, what do the coefficients in a balanced equation represent?
What are mole ratios between reactants and products?
What does Ms. Jones think about hot chips?
1. She doesn't think they are good for you
2. She wants to try them
Which temperature unit must always be used in gas law calculations?
What is Kelvin?
To convert particles to moles, do you multiply or divide by Avogadro’s number?
(Hint: When the 1 is on the top)
What is divide?
Na + O2 -> NaO
Balanced Equation:
2Na + O2 -> 2NaO
What is the mole ratio between N₂ and NH₃ in the balanced equation below?
1N₂ + 3H₂ → 2NH₃
What is 1 : 2?
What does Ms. Jones think of NBA Young Boy?
She doesn't like him and thinks his music is bad.
A gas occupies 2.0 L at 1 atm. If pressure doubles, what is the new volume?
(P1V1=P2V2)
What is 1.0 L?
Convert 3 moles of Helium into particles.
What is 1.81×1024 particles?
C4H10 + O2 -> CO2 + H2O
Balanced Equation:
2C4H10 + 13O2 -> 8CO2 + 10H2O
Given:
2KClO₃ → 2KCl + 3O₂
If 5 moles of KClO₃ decompose, how many moles of O₂ are produced?
2KClO3 → 2KCl + 3O2
What is 7.5 moles of O₂?
What does Ms. Jones think of riding Lime bikes/scooters?
She thinks that kids need proper training and need to map out their route before they start riding.
What does R represent in the PV = nRT equation?
What is a constant at 0.08206?
Convert 3.01×1023 particles into moles.
What is 0.50 moles?
Fe2O3 + CO -> Fe + CO2
Balanced Equation:
Fe2O3 + 3CO -> 2Fe + 3CO2
Given:
CaCO₃ → CaO + CO₂
If you start with 100 g of CaCO₃, how many moles of CO₂ are produced?
(Molar mass CaCO₃ = 100 g/mol)
What is 1.0 mole of CO₂?
What does Ms. Jones think about computers in the classroom?
What is trips/tweaks?
A sample of gas has:
How many moles of gas are present? Use R = 0.0821 L·atm/mol·K.
What is 0.325 moles?
A sample of calcium chloride (CaCl₂) has a mass of 222 grams. How many moles of CaCl₂ are present?
(Use molar mass: CaCl₂ = 110.98 g/mol)
What is approximately 2.00 moles of CaCl₂?
Al2(SO4)3 + Ca(OH)2 -> Al(OH)3 + CaSO4
Balanced Equation:
Al2(SO4)3 + 3Ca(OH)2 -> 2Al(OH)3 + 3CaSO4
Given:
2Al + 3Cl₂ → 2AlCl₃
If you react 27 g of Al, how many grams of AlCl₃ are produced?
(Molar masses: Al = 27 g/mol, AlCl₃ = 133.5 g/mol)
What is 133.5 g of AlCl₃?
What does Ms. Jones think the keys to success are at McKinley?
The Six Pillars of Success.