What can the arrow in a chemical reaction be translated to mean? Choose two correct answers.
Rust results from iron’s reaction to oxygen. An iron nail gains mass when it rusts. How does this reaction support the law of conservation of mass?
Cecil writes the equation for the reaction of hydrogen and oxygen. cap h sub 2 plus cap o sub 2 rightarrow cap h sub 2 cap o Why does his teacher ask him to balance the equation by including the correct coefficients?
Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He measured the mass of his reactant materials to be 35 g. The reaction resulted in the production of salt and water. He reported that his products weighed 32 g. Which best describes the results of Franklin’s experiment?
Which equation best represents the law of conservation of mass?
Liquid 1 reacts with Liquid 2 , producing a solid and a gas. Using this scenario, which supports the law of conservation of mass?
The expression CaCO sub 3 rightarrow CaO plus CO sub 2 is an example of a
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