Chem 120 Test 1 (JMU) Questions With Complete Solutions
Chemistry correct answer: The study of matter and the changes it undergoes Matter correct answer: Anything that has mass and occupies space Element correct answer: Basic material that can NOT be broken down into simpler substance What is matter made up of? correct answer: Atoms and Molecules Density of water correct answer: 1.00g/mL 1 kg = ? lbs correct answer: 2.205 lb 1 meter = ? in correct answer: 39.37 in 1 in = ? cm correct answer: 2.54 cm Precision correct answer: Being consistent, but not right Accuracy correct answer: How close a measurement is to the true value Volume correct answer: The amount of space a substance occupies Mass correct answer: Measure of the quantity of material it contains Weight correct answer: Measure of the gravitational pull on an object In Celsius, what temperature does water freeze and boil at? correct answer: 0°C, 100°C In Fahrenheit, what temperature does water freeze and boil at? correct answer: 32°F, 212°F
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