Molar Mass
Where can you find the molar mass for any element on the periodic table?
The top right corner
In the reaction: 2H₂ + O₂ → 2H₂O, how many moles of oxygen are needed to react with 4 moles of hydrogen?
2 moles of O2
A substance with a pH less than 7 is considered a(n) _____________.
acid
In the reaction: 4Fe + 3O₂ → 2Fe₂O₃, how many moles of iron (Fe) are needed to react with 6 moles of oxygen?
8 moles
What is the capitol of Japan?
Tokyo
What is the molar mass of SO4?
96 g/mol
In the equation: C₃H₈ + O₂ → CO₂ + H₂O, how many carbon atoms are on the reactants' side?
3 carbon atoms
What is the most common example of a neutral substance? What is its pH?
Water - 7
In the reaction 4Al + 3O₂ → 2Al₂O₃, how many moles of Al₂O₃ can be produced from 12 moles of oxygen?
8 moles
What year did the Berlin Wall fall?
1989
How many particles are in one mole of any substance?
6.022 x 1023 particles
In the reaction: H₂ + O₂ → H₂O, how do you balance it?
2H₂ + O₂ → 2H₂O
Is H2SO4 an acid or a base?
An acid
In a reversible reaction, what symbol is used to represent the reversible nature of the reaction?
↔
What is the name of the fictional kingdom in "Blank Panther"?
Wakanda
The molar mass of carbon is 12.01 g/mol. How many grams are in 2 moles of carbon?
24.02 g/mol
How many TOTAL moles of H2 are present in this chemical equation: 2H₂ + O₂ → 2H₂O?
4 moles of H2
Less H+ ions
Which reversible reaction did we investigate in class? Write out the chemical equation. (Hint: it involved CO2, H2O, and H2CO3)
CO₂ + H₂O ↔ H₂CO₃
What band has been at number one on the Billboard charts for the most amount of weeks?
The Beatles
If you have 1 mole of ammonium sulfate (NH₄)₂SO₄, how many grams of ammonium sulfate do you have?
132.14 g/mol
How do you balance the following equation: Na + Cl₂ → NaCl?
2Na + Cl₂ → 2NaCl
Provide one example of how pH can affect our everyday lives.
...
In the reaction: 2Na + Cl₂ → 2NaCl,
how many grams of sodium chloride (NaCl) are produced when 10 grams of sodium (Na) react with excess chlorine (Cl₂)?
(Molar mass of Na = 22.99 g/mol, NaCl = 58.44 g/mol)
25.46 grams of NaCl
Who was the highest paid athlete in 2024? What was this athlete's salary?
Cristiano Ronaldo earned an estimated $260 million in 2024.