Which of the following happens during a chemical change? Check all of the boxes that apply.
0...
Which of the following happens during a chemical change? Check all of the boxes that apply.
0 One atom or more changes into atoms of another element.
New substances with different properties are formed.
Solids, liquids, or gases may form.
Reaction mixtures always give off some heat.
Reaction mixtures always need to be heated.
Answers: 3
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How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
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Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
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When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning
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