Introduction to General Organic and Biological Chemistry Exam 1 (2023 Updated)

What is the correct scientific notation for 200,000? - ANS-2 x 10*5 What is the correct scientific notation for 10000? - ANS-1 x 10*4 What is the meaning of 4.32 x 10-2? - ANS-0.043*2 What is the meaning of 4.32 x 103? - ANS-4320 Arrange the following values from smallest (top) to largest (bottom) - ANS-10*-5, 10*-3, 10*-2, 1, 10*1, 10*4, 10*6 Select the appropriate value for each part of the equation. - ANS-3.4 feet * 12 inches/ 1 foot= 40.8 inches Is the measurement quantitative or qualitative? - ANS-Quantitative- The patient weighs 150 lbs., The patient's fever is 38.1 C Qualitative- That object is beautiful, That shirt is orange, The patient's pain level is 5 Determine if the measurement is metric or English. - ANS-Metric- Add 25 g of salt, The patient is 130 centimeters tall, Walk 500 meters English- The patient weighs 150 pounds, Add one cup of sugar to the solution, Walk 500 miles Match the unit to the measurements. - ANS-Length- Meters, Feet Volume- Liters, Cups Weight/Mass- Grams, Pounds Calculate the density of solution A if its mass is 10 grams and its volume is 15 mL. - ANS-0.67 g/mL Which would have the most mass, and consequently the higher value: an ounce of gold, a pound of gold, or a kilogram of gold? - ANS-a kilogram of gold How many inches are in 1.3 yards? - ANS-46.8 inches Calculate the volume of a solution that has a density of 1.5 g/mL and a mass of 3.0 grams. - ANS-2.0 mL How many cups is 150 mL? - ANS-0.625 c 10*3 represents _________________ and is __________________ 10*-3? - ANS-one thousand, larger than Rank the following values of length from smallest to largest. - ANS-1 mm, 1cm, 1 inch, 1 foot Select any quantitative measurements? - ANS-The lemon weighed 4.5 oz. The temperature is 98.6 ⁰F The pitcher was 15.0 cm tall Which of the following is NOT part of the scientific method? Benchmarking Results Hypothesis Experiment - ANS-Benchmarking What is the purpose of a negative control? To provide a point of comparison To disprove the experiment To disprove the hypothesis To act as an unknown - ANS-To provide a point of comparison Before we continue on with the next steps of the scientific method by continuing to look at this real world situation, try your hand at formulating a hypothesis based on the following situation: The premium gas at the pump is more expensive and you wonder if this gas will improve your gas mileage. Possible hypothesis: The premium gas will improve the performance of your car. The premium gas will improve the gas mileage of your vehicle as compared to standard unleaded gas. The premium gas is more costly I wonder if the gas will make my car go further. - ANS-The premium gas will improve the gas mileage of your vehicle as compared to standard unleaded gas. Does the data in the table support our hypothesis? Planting marigolds within two feet of lettuce will reduce the amount of lettuce being chewed on by rabbits. - ANS-Yes What would be an appropriate interpretation of this data?...