Chem 101 Midterm Ivy Tech Questions With Complete Solutions
Which of the following is considered a hypothesis (as opposed to an observation)? correct answer: Birds can fly because they have hollow bones Which of the following would be considered a theory? correct answer: Helium balloons float because helium is less dense than air. Which of the statements below is NOT part of the scientific method? correct answer: All of the above steps are part of the scientific method. Which statement about a hypothesis is TRUE? correct answer: All of the above statements are true. Who discovered the law of conservation of mass? correct answer: Antoine Lavoisier The distance between two hydrogen atoms in a molecule of water 0.0172 m. Express this distance in scientific notation. correct answer: 1.72 x 10^-10 m Which of the following would NOT be considered a correct conversion factor? correct answer: 1 pair of shoes = 1 shoe In the number 48.93, which digit is estimated? correct answer: 3 The correct number of significant figures in the number 0. is: correct answer: 5 The base SI unit for temperature is: correct answer: Kelvin
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chem 101 midterm ivy tech questions with complete