Vorksheet 3: Dimensional Analysis Common brass is a copper (Cu) and zinc (Zn) alloy containing 63.0% copper by mass. A. Write the percent Cu by mass as a conversion factor in the boxes to the right. Include the proper units. B. If you have a brass pipe that weighs 160 kilograms, how would you determine the mass of zinc in this pipe in pounds? Write out your steps in words or a series of calculation steps and then give your final answer on the space below. Discuss your work with your g better? Come with a plan as a group for solving problems. dn (1 lb = 453.6 g, 1000 g = 1 kg, 2.20 lb = 1 kg) %3D

Vorksheet 3: Dimensional Analysis Common brass is a copper (Cu) and zinc (Zn) alloy containing 63.0% copper by mass. A. Write the percent Cu by mass as a conversion factor in the boxes to the right. Include the proper units. B. If you have a brass pipe that weighs 160 kilograms, how would you determine the mass of zinc in this pipe in pounds? Write out your steps in words or a series of calculation steps and then give your final answer on the space below. Discuss your work with your g better? Come with a plan as a group for solving problems. dn (1 lb = 453.6 g, 1000 g = 1 kg, 2.20 lb = 1 kg) %3D

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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2. While there were no calculations requi mbar conversions using dimensional analysis and still need to know how to do unit the proper number of significant figures. With that in mind, answer the questions below 1. How many significant figures are in each of the fol lowing quantities? a. 0.008 750 L 4 b. 3.40 x 10 m 2 c. 5 630 g 3 Si Convert 0.000 065 80 to scientific notation (without rounding). If a 6.00% (w/v) citric acid solution contains 6.00 grams of citric acid in every 100.0 mL of the solution, how many grams of citric acid are present in 385 mL of the 5.00% (w/v) solution? Show your work using dimensional analysis and report your answer with the correct number of significant figures. 3. 100AL %3D lo0g What volume of the 6.00% (w/v) citric acid solution described above would be needed to provide 425 mg of citric acid for a reaction? For full credit, show your work using a single dimensional analysis grid (or one chain of conversion factors) and report your answer with the…
Doctors recommend your sodium intake be less than 2000 mg per day. Which conversion factors would you need to use to figure out the maximum number of sodium atoms you should consumer? A. 1 mole of sodium = 6.02 x 1023 atoms B. 1 mole of sodium = 22.990 grams C. 1 gram of sodium = 1000 mg
7. The density of copper is 8.96 g/cm³. Write this density as a conversion factor to convert: a. Mass to Volume 19/12="1000 b. Volume to Mass 21 cin² chime len³= Inic 1cm³ 40 0.11166714 g/ml 0.1 qime
4. In Figure 4 below, a graph shows the relationship between mass and volume for two substances, A and B. Use the graph to answer questions about these two substances. FIGURE 4: Mass and VOume Reationships a) Which substance is more dense, substance A or substance B? Explain your reasoning. ४० Substande A Z 60 b) Find the slope of the line for both A and B using correct units. State the physical meaning of the slope ("For every...") for each substance. slope A 50- 40 For cvery... %3D 20 Substance B Slope B Y2-Y. X2-X volumel(mL) For every... c) Water has a density of 1.00 g/mL. Draw the line representing water on the graph in Figure 4. d) Determine whether substance A and B will sink or float when placed in a bucket of water. Substance A: sink float Substance B: sink float (circle correct response) Mass (g)
B. Significant figure. Identify the total significant figure of each item. 1. 786.39 cm 2. 0.009 mL 3. 3.00 L 4. 3,333 g 5. 0.01909 g
Express your answers in scientific notation with the correct number of significant figures. Pay attention to the units and remember how to do conversions. One peanut M&M weighs approximately 2.33 g. A. How many peanut M&Ms are there in 53.768 kg of M&M’s? B. What is the weight of 43 peanut M&Ms in milligrams?
A. Density Computation. Solve what is asked. Round off your answers into 2 decimal places and make sure to place the appropriate unit. Encircle your final answer. If 94.5 grams of gold has a volume of 4.9 cm3, what is the density of gold? A rectangular block of copper metal weighs 1936 g. The dimensions of the block are 7.4 cmlengthby6.5cm width by 4.6 cm height. From this data, what is the density of copper? 27.3 g of iron shot is added to a graduated cylinder containing 46.70 mL of water. The water level rises to the 50.10 mL mark, from this information, calculate the density of iron. If the density of a diamond is 3.5 g/cm3, what would be the mass of a diamond whose volumeis.5cm3?
1.Density of lead is 11.3 g/mL. How many mL do 29.1 g of lead occupy?2. How many significant figures are in 103.2?3. How many significant figures are in 0.0000013?4. How many significant figures are in 100.0?5. How many significant figures are in 78.56?6. How many mL are in 1.76 L?7. How many L are in 0.55 dL?8. How many g are in 64,000 ??μg??μg?
Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H,O) and carbon dioxide (CO2) chemically react to form the simple sugar glucose (C,H1206) and oxygen gas (02). What mass of carbon dioxide is consumed by the reaction of 6.0 g of water? Be sure your answer has the correct number of significant digits. g x10
A raindrop has a mass of 50.mg and the Pacific Ocean has a mass of 7.08e20kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. What is the mass of 1 mole of raindrops? Round your answer to 2 significant digits. ____g How many moles of raindrops are in the Pacific Ocean? Round your answer to 2 significant digits.
Using the given data, calculate: 1)Amount of CaCo3 2)Mass of CaCO3 in tablet 3)% mass of CaCo3 in table [The answer for 2 and 3 in the table are wrong] This question is already graded and completed please do not reject it!!
3.-Express each answer in scientific notation and with the proper number of significant figures 1,027 611363.06 a. b. 217 903 118.7:2-35.5 = C. d. 28 x 47.3= e. (5.2 x 10) x (3.33 x 10 2)