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BR#37 - Balancing Equations

Last updated about 5 hours ago
5 questions
Required
1
Balance the chemical equation: _______ H2 + _______ O2 → _______ H2O. If the coefficient is 1, write 1.
Required
1
Balance the chemical equation: _______ CO + _______ O2 → _______ CO2. If the coefficient is 1, write 1.
Required
1
Balance the equation: _______ CH4 + _______ O2 → _______ CO2 + _______ H2O. If the coefficient is 1, write 1.
Required
1
Balance the equation: _______ Cr + _______ O2 → _______ Cr2O3. If the coefficient is 1, write 1.
Required
1

Which of the following is a balanced equation representing the law of conservation of matter?