Using Conversion Factors to Solve Problems For each of the following dimensional analysis problems, underline the requested information and circle the "starting" information. Create a strategy or "unit plan" that allows you to convert from the starting units to the requested units using the equalities from the above set (refer back to step #5 of the strategy discussed in the "Concept Connections" section). Solve the problem by starting with the circled "starting" information and using your conversion factors to implement your unit plan to convert to the underlined requested units. Show all work in the spaces below and circle the final answer. A1. Convert the mass of your almond measured in grams above to units of ounces. Unit Plan: Set Up: A2. How many almonds would you need to eat to get 5.0 grams of fat? Unit Plan: Set Up:

Using Conversion Factors to Solve Problems For each of the following dimensional analysis problems, underline the requested information and circle the "starting" information. Create a strategy or "unit plan" that allows you to convert from the starting units to the requested units using the equalities from the above set (refer back to step #5 of the strategy discussed in the "Concept Connections" section). Solve the problem by starting with the circled "starting" information and using your conversion factors to implement your unit plan to convert to the underlined requested units. Show all work in the spaces below and circle the final answer. A1. Convert the mass of your almond measured in grams above to units of ounces. Unit Plan: Set Up: A2. How many almonds would you need to eat to get 5.0 grams of fat? Unit Plan: Set Up:

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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||| = O MEASUREMENT Setting up a unit conversion A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. 0.040 Explanation kg mi km).- Check g cm 0 x10 0.0 x 3. μ Olo 5 evemeGraw Hill L
Errors of different varieties may arise throughout the course of an experiment. Below, match the different types of errors with their corresponding definitions. Group of answer choices Errors that have an equal chance to be positive or negative. These errors will arise because it is impossible to make any measurement completely exact. Errors that will have a consistent directional bias every time the experiment is carried out. These errors tend to always be positive or negative, meaning over or underestimating, respectively, the true value of the measurement due to experimental limitations. An error that is within the direct control and/or caused by a mistake from the chemist. Options Random error Systematic error Human mistake
Why should the selected rule(s) be followed? Weighing wet items will cause the displayed mass to be greater than the actual mass of the object. A residue left on the balance will contaminate the balance pan surface and anything that comes into contact with it afterwards. Objects at any temperature other than room temperature can create air currents which can affect the balance pan, causing the measured mass to be higher or lower than the true mass. There may be discrepancies in accuracy between individual balances.
For lab 4, we combined baking soda with vinegar, according to the chemical equation NaHCO 3 + CH 3COOH ==== NaCH 3COO + CO 2 + H 2O Consider 3 experiments: (i) 2g baking soda + 5mL vinegar, (ii) 2g baking soda + 10mL vinegar and (iii) 2g baking soda + 20mL vinegar. The amount of CO 2 produced was highest for (iii) and lowest for (i). For these experiments, which of the following is true? Vinegar ran out first Baking soda ran out first They both ran out at the same time Neither ran out
Perform the following conversions. You must use dimensional analysis and put your answer in scientific notation with correct units and significant figures. a) 65.2 mL to uL (Hint: you must go through the base/metric unit) 4 points b) 65.1 miles/hour to m/s 7 points Please only utilize the conversions provided. If calculations use conversions not provided, your answers will not be graded). c) 35.6 cm2 to km² (You must go through the base/metric unit) 5 points (Please write your answer on a piece of paper. No need to type anything here). Edit View Insert Format Tools Table 12pt v Paragraph v BIU O words I| Proctorio is sharing your screen. Stop sharing Hide
Your neighbors are purchasing hamburgers for a backyard barbecue. They are expecting 36 guests and want to provide an average of 3 hamburgers per guest. The hamburgers are sold in packages of twelve. Set up the problem below and calculate the number of twelve-packs of hamburgers they will need. Place your conversion factors in order such that "guests" cancels first. 36 guests x packages Drag and drop your selection from the following list to complete the answer: 12 hamburgers 3 guests 12 guests 1 hamburger 36hamburgers 12 packages 36 packages 1 guest 36 guests 3hamburgers 1 package
Using the following form for your answers, solve the following conversion: 57 ft is how many m? 57 ft x 1.______ / 2.______ x 3._______ / 4._______ = 5.________ Copy conversion factors and units EXACTLY as they appear on the conversion chart. Do not use scientific notation in your answers. Include the units at the end, too. Make certain that you use the correct significant figures.
Having trouble with conversion factors. The question says write conversion factors ( as ratios) for a)kilometers in 1 mile b) Liters in 1 cubic foot c) grams in one ounce I need to understand exactly where i get the conversions from. One of the questions I looked up in the book said to do yards in a meter and the answer is 1.0936/1m. The conversion i see in the book says 1m=1.094 yd=39.36 in These problems come out of Chemistry Atoms First 2nd edition Chapter 1
How many miles in 1.2 x 104 yards? Along with the conversions from your equation sheet, you will need to know that 3 ft = 1 yard (this conversion is exact). Enter your unit as mi. Make sure you include the appropriate units and significant figures. Write your work using dimensional analysis
Perform the following multiple operation problem using the current scientifically established rounding rules. 1.03 x (0.96 - 0.226) O 0.752 0.756 O 0.76 O 0.75
12) Perform the following conversions using dimensional analysis and proper set up. Provide each answer with correct units and significant figures in the space provided. Note that you can square a length relationship to obtain an area relationship and you can cube a length relationship to obtain a volume relationship. It may be easier to treat prefixes separately. f) Convert 155 cm? to ft? Metric Prex or heters breviaion valie 10 g) Convert 7.27 m³ to ft lea s lo nu micro milli centi deci miles pounds mi 109 10 h) Convert 126 m³ to L 10: quarts deka hecto da 10 gallons 10
Please answer this question as fast as you can please and tahnk you. I will afterwards write an wonderful review on solving the question. Thank you. For each piece of glassware measure the density of water in triplicate (three times). Why repeat the procedure multiple times for each piece of glassware? Running the measurement in triplicate increases the precision of our results and reduces the impact of a single outlier result. The experiment would be too short if you only ran each trial once The first two trials act as practice, and the final trial will give you the true result. Running the measurement in triplicate increases the accuracy of our results and reduces the impact of a single outlier result.