Yvonne Yi Measurement Lab Report Form

Please help with 7&8

What I have Learned Activity 4: Match Me! A. Match column A with the description in column B. Write the letter of the correct answer before the number. Column A Column B 1. Motion 2. Velocity A. The object's motion has a constant speed. B. The length of the entire path of the object's motion. C. It is a change in position from the reference point. D. Refers to the rate of change in distance per 3. Distance 4. Displacement unit time E. The shortest distance between the object's two positions. F. A quantity which includes magnitude only. 5. Uniform Motion 6. Reference Point G. The frame of reference H. The speed of the object throughout its travel. I. A quantity which includes the magnitude 7. Scalar quantity 8. Vector quantity 9. Average Speed and direction. 10. Speed J. It is the rate of change in displacement.

Estimated volume of crucible 25.0 mL  measured volume of crucible 23.0 mL  percent error of estimate (% error=accepted value-experimental value/accepted value ) volume in (use measured volume of crucibleto answer for the ):  kL cL

Jack measured the mass of an empty evaporating dish and watch glass, and weighed approximately 0.5 g of an unknown solid into the evaporating dish.  He then followed the procedure for Lab Exercise 5, and collected the rest of the data in the table below.  Please note that row letters correspond to those found on the data sheet that you will use in lab.  You will need to refer to this data to answer Questions 13 through 20: A Mass of empty evaporating dish + watch glass 65.362 g B Mass of dish + watch glass + initial solid 65.864 g C Mass of dish + watch glass + carbonate 65.705 g D Mass of dish + watch glass + chloride 65.716 g  What was the mass (in grams) of the unknown solid that Jack used in his experiment.  Type the numerical answer only in the box below (no units!).  Report your answer to the correct number of significant figures.

80. Comment on the accuracy and precision of the data collected about these basketball free-throw shooters. a. 99 of 100 shots are made. b. 99 of 100 shots hit the front of the rim and bounce off. c. 33 of 100 shots are made; the rest miss.

Use water displacement method: measure to the 10ths place!

A small rock was placed in a 100 ml graduated cylinder that has an initial water level at 12.0 ml. The rock was added and the water level rose to 14.8 ml. Calculate the volume of the rock? Group of answer choices A. 14.7 ml B. 4.8 ml C. 7.2 ml D. 2.8 ml

Please help with #5

Please help with #3

ackboard XCO 用 Remaining Time: 1 hour, 09 minutes, 34 seconds. Question Completion Status: QUESTION 14 Match the symbol with the correct definition. A. a measure of the amount of substance v g B. a measure of distance v mol C. a measure of mass D. a measure of time E. a measure of temperature v K F. a measure of volume QUESTION 15

Please help with question 7

Is this calculation correct? See image below. ...

B. Directions: Complete the paragraph using the word pool provided. Write the letter on the blank. A. MIRROR D. OBJECTIVES G. PENCIL J.MAGNIFICATION B. EYEPIECE E. INVERTED H. GLASS SLIDE K. COVERSLIP C. 10x F. FIELD OF VIEW I. 40X L. UPWARD A microscope is an essential tool in Biology. It provides us with has various important data on specimens being examined. The (1) magnification (5x, 10x, 12.5x, 15x) which attaches to the body tube. On the other hand, the revolving nosepiece is attached by (2) 40x, and 100x magnifications. In preparing a wet mount, place the specimen in a (3) drop of water and cover it with a (4) eraser-end of a (5) Look at the eyepiece and adjust the (6) of the microscope which is the bright circle of light. The (8) the specimen is computed by multiplying the magnification of the Eyepiece with the magnification of the Objectives. If the eyepiece has a magnification of 10x and the Objective has (9) magnification is 400x. In addition, turning the stage knob upward…

3. A fireproof safe is made of two thin metal boxes, one inside the other, with equal spacing between each pair of adjacent surfaces. Calculate the volume BETWEEN the two boxes given the following dimensions. Include units. Place this answer in the lab report #1 under Smaller box = 0.100 m x 0.120 m x 0.240 m Larger box = 0.134 m x 0.154 m x 0.274 m

Microsoft Teams Q Search ... 25 Assignment on matching phrases on classification_ units.docx Close Activity File Home Insert Layout References Review View Help O Tell me what you want to do 'Editing v O Comments A Catch up Chat Calibri (Body) v 11 A В I U Av A A Styles v O Find v Reuse Files O Dictate v E Editor : Designer ... ... MATCHING OF WORDS OR PHRASES Teams 1. Assignments 1. Alloys a) example of a derived unit 2. 2H b) allotropes of oxygen Calendar 3. Mixtures c) two or more different elements bonded 4. Smallest unit of a compound d) centi ... 5. Compound e) a qualitative statement 6. 02 and 03 f) kilo 7. Smallest unit of a compound g) a unit of measurement 8. One thousandth of a unit h) a quantitative statement 9. Teaspoon i) components separable by physical means 10. H2 j) homogeneous mixtures of metals 11. Density k) milli 12. A person is tall I) a molecule of hydrogen 13. one thousand of something m) atom 14. one hundredth n) two atoms of hydrogen 15. Somebody weighs 150…

Pl. 1 please answer the question correctly and make it clear what the answer is please, show all work, thank you.

Please help with question 8

Please help with question 8

What is the laboratory equipment that is best suited to accurately measure large volume of liquids? Select one: a. Graduated cylinder b. Erlenmeyer Flask c. Test tube d. Beaker When measuring liquids using a dropper, the greater the surface tension and the greater the surface to which the drop adhere the smaller the drop. Select one: a. False b. True In compounding laboratory, an alternative apparatus for 1 mL pipette is Select one: a. Measuring cylinder b. Test tube c. Burette d. Dropper e. Conical flask

The agreement of a particular value with the true value is called Select one: a. error b. precision c. significance d. certainty e. accuracy