Question 4: The first one
Question 5: The fourth one
Question 6: The first one
Question 7: The third one
When you take 7.83 g of H2, you convert to moles by dividing by the molar mass (2.02) and multiply by the number of H2s over H2Os. Then do the same for the O2. the limiting reagent in this case is the Oxygen by what I calculated.
Answer:
Protons, neutrons, and electrons
Explanation:
Both protons and neutrons have a mass of 1 amu and are found in the nucleus. However, protons have a charge of +1, and neutrons are uncharged. Electrons have a mass of approximately 0 amu, orbit the nucleus, and have a charge of -1.
There’s no picture if you meant to add a picture
1996,1997,1999,1998,2000 that will be 4