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WCU CHEM 280 Final review questions latest updated and complete verified answers.

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Course CHEMISTRY 280
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WCU CHEM 280 Final review questions latest updated and complete verified answers.WCU CHEM 280 Final review questions latest updated and complete verified answers.

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WCU CHEM 280 FINAL REVIEW QUESTIONS
LATEST UPDATED 2025-2026 AND COMPLETE
VERIFIED ANSWERS




Law - answer ✔✔-What is a summary of observed behavior?



2 - answer ✔✔-In the product 1.04 x 0.31, the number of significant figures is



76 - answer ✔✔-Calculate the following using the rules of sig figs 6.167 + 70.



When the decimal moves to the right - answer ✔✔-When is scientific notation exponent negative?



When the decimal moves to the left - answer ✔✔-When is scientific notation exponent positive?



meter (m), kilograms (kg), second (s), ampere (A), Kelvin (K), mole (mol), candela (cd) - answer ✔✔-
What are the SI base units?



substance displays without changing its composition - answer ✔✔-What is a physical property?



Substance that displays only through changing its composition - answer ✔✔-What is a chemical
property?



1 cal=4.184 J

1 Cal=1000 cal - answer ✔✔-What are the energy conversion factors?



Heat = mass x specific heat capacity x temperature change - answer ✔✔-What is the specific heat
capacity equation?

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