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PCN Chem Final Exam questions with correct answers
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What is a prediction or statement that can be tested? correct answer Hypothesis An explanation or theory for a broad range of observations, facts, and tested hypothesis is? correct answer Theory Compare 1mL and 1L correct answer 1,000mL=1L Which has 3 significant figures? correct answer Example: 4.00 In the calculation of (ex: 2.0x10^2g/50.00L) what is the density? correct answer Example: 2.0x10^2/50.00= 4.0g/L When these volumes are added, what is the total volume: (ex: 24.5mL, 25mL, 2.545mL)? correct answer Example: 24.5+25+2.454= 52mL Know the following phase changes: a. Melting b. Freezing
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PCN Chem
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PCN Chem
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- May 2, 2023
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pcn chem final exam questions with correct answers
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