A balancin' act
H2O2 -> H2O + O2
2H2O2 -> 2H2O + O2
The mass of 1 mol of Si.
What is 28 g/mol.
Which has a larger mass: 5 g of calcium (Ca) or 5 moles of calcium?
What is 5 moles
Describe a proportional relationship?
A sample of argon gas (Ar) contains 3.01 × 10²³ atoms. How many moles of argon are present?
What is 0.500 moles?
Fe+Cl2→FeCl3
2Fe+ 3Cl2→ 2FeCl3
The coefficient in a balanced chemical equation represents:
Which has more atoms: 3 moles of oxygen gas (O₂) or 3 moles of hydrogen gas (H₂)?
What is they are the same.
In the ideal gas law, an example of an inversely proportional relationship.
What is P and V or n and T.
A 7.5 mol sample of NO in a 8L tube has what mass?
What is 232.5g.
NaOH+H2SO4→Na2SO4+H2O
2NaOH + H2SO4 → Na2SO4 + 2H2O
Describe the law of conservation of mass.
What is things can't just appear or disappear.
Which has a greater number of molecules: 10 g of water (H₂O) or 15 g of carbon dioxide (CO₂)?
What is CO2.
Draw a graph that represents the relationship between n and PV.
What is a straight line going up and right.
A clown is making balloon animals at a party. He fills a balloon with 0.5 moles of helium gas at a pressure of 1.2 atm and a temperature of 298 K.
What is the volume of the balloon?
(Use R=0.0821R=0.0821 L·atm/(mol·K))
What is 10.19L?
C3H8 + O2 -> CO2 + H2O
C3H8 + 5O2 -> 3CO2 + 4H2O
One mole of a substance has _ number of _.
What is 6.02 x 1023 particles.
Which contains more grams of oxygen: 50 g of sulfur dioxide (SO₂) or 50 g of hydrogen peroxide (H₂O₂)?
What is H2O2?
99 degrees celsius is = _ K
What is 372K?
A balloon with 0.25 moles of air is inflated at 1.0 atm pressure. If the balloon has a volume of 5.0 L, what is the temperature of the gas inside the balloon?
What is 243.5K?
2Al + Fe2O3 -> Al2O3 + 2Fe
What is 358g.
Which sample contains more oxygen atoms: 2 moles of aluminum sulfate (Al₂(SO₄)₃) or 3 moles of glucose (C₆H₁₂O₆)?
What is 2 moles of Al₂(SO₄)₃?
The things that cause pressure.
What is collision theory?
My pet squirrel Randy ate a 12 gram carbon dioxide paintball cartridge. Given that the normal body temperature of a squirrel is 37 degrees Celsius and his internal pressure is typically 1.1 atm, what will the final volume of the squirrel be if the paintball cartridge opens up in his belly?
What is 6.32L?