2. Perform the following unit conversions: a. 252 nm to miles (nm to m to km to miles) b. Convert 65.0 miles/hour to cm/sec (miles to km to m to cm) c. A chemistry teacher spends 5 minutes grading 1 student's lab. She has 150 students who turn in lab papers for each lab. If we do 25 labs in class, how many minutes will I spend grading lab раpers? d. Each dimensional analysis problem has taken you 1.5 minutes to complete. How many dimensional analysis problems could you complete in 6 weeks of chemistry class (242 minutes a week)?

Q: I. Significant Figures and Conversion A. Scientific Notation 1. 58 cm → km 2. 67 W → MW 3. 196 mL →L

A: Note : as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: DATA SHEET QUESTIONS FOR PART 2 1. If you had a 50-mL graduated cylinder containing 25.0 mL of…

A: volume of cylinder after adding block= 32.81 mL

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

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Q: Convert 234.0 x10^-4 to the proper exponential notation following thr rules of significant figures.…

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Q: 50. The angle iron shown to the right is made of steel with a density of 7.78 g/cm³. What is the…

A:

Q: 6. Calculate the density in g/mL of 0.56 L of solution weighing 190 grams.

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: 2. Convert 71.0 Pa to dyne/cm?.

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Use dimensional analysis to make the following conversions. Use conversion factors and show unit…

A: Since you have asked multipart type questions, we will solve only first  three questions for you. If…

Q: se the Density interactive to place the densities of the objects from highest to lowest. lead 0 1 2…

A: Given Initial volume of graduated cylinder = 200 mL Mass of wood = 79.170 g Final volume of…

Q: Student A measures an object and records a value of 1.5 cm. Student B measures the same object and…

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Q: A runner wants to run 3.9 miles. She knows her running pace is 4.4 km per hour. how many minutes…

A: Given information is as follows: Distance = 3.9 miles Speed = 4.4 km per hour = 4.4 km/hr Conversion…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.