Answer:
2H2 + O2 -----> 2H2O
Not sure about the second question though.
1) List the reactants: sodium bicarbonate (NaHCO₃) and citric acid (H₃C₆H₅O₇).
Reactants undergo change during a chemical reaction.
2) List the products: water (H₂O), carbon dioxide (CO₂) and sodium citrate (Na₃C₆H₅O₇).
Products are the substances formed from chemical reactions.
3) The balanced chemical equation:
3NaHCO₃ + H₃C₆H₅O₇ → 3H₂O + 3CO₂ + Na₃C₆H₅O₇.
Answer:
She should have first notified the teacher.
Answer: THe anwser for the first one is Carbon monoxide, Cupric selenide, iron or sulfide, lead dioxide
Explanation: i took these in science ur welcome
