Chemistry, 27.11.2021 20:20, miami158999
indicate the pH value as pH < 7, pH = 7 or PH > 7 for each of the following substances. a. Lemon juice b. Water c. Aqueous solution of MgO d. Aqueous solution of Na2O
Answers: 3
Chemistry, 22.06.2019 15:30, abdullaketbi71
What best discribes the relationship between wavelength and frequency in a electromagnetic wave
Answers: 1
Chemistry, 22.06.2019 16:00, krojas015
1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph
Answers: 1
Chemistry, 23.06.2019 04:00, zakarycrane8101
If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?
Answers: 3
indicate the pH value as pH < 7, pH = 7 or PH > 7 for each of the following substances. a. Lem...
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