Balancing Equations Quiz Retake

What coefficient should be used to make the following equation balanced?

N₂+O₂--> __?__NO

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The substances that go into a reaction are called the _______.

• products

• reactants

Which number should go in the blank?
Mn + _ HNO₃ → Mn(NO₃)₂ + H₂

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What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation