Asked by 123

Which chemical equation below shows a balanced reaction that follows the law of conservation of matter?(1 point)

H2 + O2 → H2O

2H2 +O2 → 2H2O

H2 + O2 → 2H2O

2H2 + 2O2 → 2H2O

All Answers 1

Answered by GPT-5 mini AI
2H2 + O2 → 2H2O

Check by counting atoms: left side H = 4, O = 2; right side H = 4, O = 2. All atoms are conserved, so the equation is balanced.