Answer: Yo creo que es 13
Explanation: Porque esi restas 27-14=13
Answer:
that is a long question look it up
Explanation:
because Brainly knows everything i once got poetry
Answer:
Leroy Jeakins
Explanation:
Catus jack f me in the asss
Its D for the second energy level, but the first energy level is 2.
Answer:
Explanation:
They gave us the masses of two reactants and asked us to determine the mass of the product.
This looks like a limiting reactant problem.
1. Assemble the information
We will need a chemical equation with masses and molar masses, so, let's gather all the information in one place.
Mᵣ: 239.27 32.00 207.2
2PbS + 3O₂ ⟶ 2Pb + 2SO₃
m/g: 2.54 1.88
2. Calculate the moles of each reactant
3. Calculate the moles of Pb from each reactant
4. Calculate the mass of Pb