Which statement is a correct expression of the law of conservation of mass? a. the total mass is unpredictable in a chemical reaction. b. the total mass remains the same during a chemical reaction. c. the total mass decreases during a chemical reaction. d. the total mass increases in a chemical reaction.
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Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds
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Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
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Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
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Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
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Which statement is a correct expression of the law of conservation of mass? a. the total mass is u...
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