GENERAL, ORGANIC, AND BIOLOGICAL CHEMIS
4th Edition
ISBN: 9780135720813
Author: FROST AND DEAL
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 1.21PP
Express the following numbers as a percent. Report two significant figures in your answer.
- a. 1/4
- b. 3/8
- c. 66/100
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A student obtains the following data: a- Mass of evaporating dish 21.345 g b- Mass of evaporating dish and saturated NaCl solution 42.817 g c- Mass of dish and NaCl after evaporation 38.915 g Report the Mass % of NaCl in this solution. Write the number as a percentage with the correct number of significant figures as shown. (i.e. 25%) There should be no space between the numbers and the % sign.
1. A metal strip is 1.11 cm long and 0.33 cm wide. The area in square centimeters to the correct number of significant figures is______?
Chapter 1 Solutions
GENERAL, ORGANIC, AND BIOLOGICAL CHEMIS
Ch. 1 - Classify each of the following mixtures as...Ch. 1 - Classify each of the following mixtures as...Ch. 1 - Classify each of the following substances as a...Ch. 1 - Classify each of file following substances as a...Ch. 1 - Classify each of die following as an element or...Ch. 1 - Classify each of the following as an element or a...Ch. 1 - Use the periodic table to supply the missing...Ch. 1 - Use the periodic table to supply the missing...Ch. 1 - Identify and give the number of each element in...Ch. 1 - Identify and give the number of each element in...
Ch. 1 - Give the number of significant figures in each of...Ch. 1 - Give die number of significant figures in each of...Ch. 1 - Complete each of the following calculations and...Ch. 1 - Complete each of the following calculations and...Ch. 1 - A typical aspirin tablet contains 325 mg of the...Ch. 1 - On average, an adults lung volume is 5 L. Convert...Ch. 1 - Prob. 1.17PPCh. 1 - Write scientific notation for the following...Ch. 1 - Express the following numbers in a decimal form:...Ch. 1 - Express the following numbers in a decimal form:...Ch. 1 - Express the following numbers as a percent. Report...Ch. 1 - Express the following numbers as a percent. Report...Ch. 1 - Express the following numbers m decimal form: a....Ch. 1 - Express the following numbers as a fraction: a....Ch. 1 - Prob. 1.25PPCh. 1 - Determine the percent from two numbers given here...Ch. 1 - Based on your experience, is each of the following...Ch. 1 - Based on your experience, is each of the following...Ch. 1 - Calculate the grams of sugar present in a 355 mL...Ch. 1 - Calculate the density in g/mL of 2.0 L of gasoline...Ch. 1 - Prob. 1.31PPCh. 1 - A liquid has a mass of 54.5 g and a volume of 50.0...Ch. 1 - A family visiting Europe goes to the hospital...Ch. 1 - Fetal cord blood is stored at 112 F. Calculate...Ch. 1 - Prob. 1.35PPCh. 1 - Prob. 1.36PPCh. 1 - A defibrillator delivers about 360 joules per...Ch. 1 - Prob. 1.38PPCh. 1 - Two warehouses have space available for storage....Ch. 1 - Prob. 1.40PPCh. 1 - Indicate if each of the following describes a...Ch. 1 - Indicate if each of the following describes a...Ch. 1 - Prob. 1.43PPCh. 1 - Consider the following measurements determined for...Ch. 1 - A low dose of aspirin is often recommended for...Ch. 1 - A mother is to give her child 10 ccs of medicine...Ch. 1 - Give Drug X 5 mg/kg per day in two divided doses....Ch. 1 - A 38-lb child is prescribed acyclovir for chicken...Ch. 1 - A patient gets 2.0 L of fluid over 18 hours...Ch. 1 - How long would it take in hours to administer...Ch. 1 - A tablet of Benadryl (R), an antihistamine, has a...Ch. 1 - A medium-sized carrot weighs 61 g and contains 6 g...Ch. 1 - Determine whether each of the following is a...Ch. 1 - Prob. 1.54PPCh. 1 - Prob. 1.55PPCh. 1 - Prob. 1.56PPCh. 1 - Add coefficients to balance the chemical equations...Ch. 1 - Add coefficients to balance the chemical equations...Ch. 1 - Classify each of the following as a mixture or a...Ch. 1 - For each of the substances that you classified as...Ch. 1 - Prob. 1.61APCh. 1 - Prob. 1.62APCh. 1 - For each of the substances that you classified as...Ch. 1 - Prob. 1.64APCh. 1 - Use the periodic table to supply the missing...Ch. 1 - Use the periodic table to supply the missing...Ch. 1 - Prob. 1.67APCh. 1 - Prob. 1.68APCh. 1 - Prob. 1.69APCh. 1 - Prob. 1.70APCh. 1 - Supply the missing information in each of the...Ch. 1 - Supply the mating information in each of the...Ch. 1 - Prob. 1.73APCh. 1 - Prob. 1.74APCh. 1 - Prob. 1.75APCh. 1 - If a drop of blood is 0.05 mL, how many drops of...Ch. 1 - If a prescription calls for 1.0 g of...Ch. 1 - Prob. 1.78APCh. 1 - Prob. 1.79APCh. 1 - Round the following numbers to two significant...Ch. 1 - Consider the following data set for three bags of...Ch. 1 - It is flu season. Professor F has a class with 50...Ch. 1 - Prob. 1.83APCh. 1 - An adult human femur weighs about 225 g and has a...Ch. 1 - The specific gravity of olive oil is 0.703. How...Ch. 1 - Prob. 1.86APCh. 1 - To keep a room comfortable, the air is heated or...Ch. 1 - On the Kelvin scale, the lower limit of the...Ch. 1 - Prob. 1.89APCh. 1 - Prob. 1.90APCh. 1 - A cup of yogurt contains 130 Calories. Calculate...Ch. 1 - Prob. 1.92APCh. 1 - Prob. 1.93APCh. 1 - Prob. 1.94APCh. 1 - Prob. 1.95APCh. 1 - Prob. 1.96APCh. 1 - Prob. 1.97APCh. 1 - Prob. 1.98APCh. 1 - A student is weighing a standard 5.00 g weight...Ch. 1 - Prob. 1.100APCh. 1 - A mother calls you to ask about a proper dosage of...Ch. 1 - A prescription for amoxicillin comes in an oral...Ch. 1 - A patient needs exactly 1000 mL of a fluid over a...Ch. 1 - Prob. 1.104APCh. 1 - How does the arrangement of particles in a liquid...Ch. 1 - Prob. 1.106APCh. 1 - Identify each of the following as a physical...Ch. 1 - Prob. 1.108APCh. 1 - Add coefficients to balance the chemical equations...Ch. 1 - Prob. 1.110APCh. 1 - If red spheres represent oxygen atoms and blue...Ch. 1 - Prob. 1.112APCh. 1 - To donate blood, your blood must have a density...Ch. 1 - Prob. 1.114CPCh. 1 - A physician orders a Heparin drip at 8.0 units per...Ch. 1 - The following equation shows the reaction of...Ch. 1 - Table sugar (C12H22O12) is completely dissolved in...Ch. 1 - We know high density lipoprotein (HDL) and low...Ch. 1 - Prob. 1IA.1QCh. 1 - Can an element be a pure substance? Can a compound...Ch. 1 - Using the information given, how might you define...Ch. 1 - Prob. 1IA.4QCh. 1 - Prob. 1IA.5QCh. 1 - Describe the difference between a homogeneous and...Ch. 1 - Would you classify the following matter as...Ch. 1 - What do you think the labels (s), (l), (g), and...Ch. 1 - Prob. 2IA.1QCh. 1 - Prob. 2IA.2QCh. 1 - Provide names for the following elements and...Ch. 1 - Prob. 2IA.4QCh. 1 - Prob. 2IA.5QCh. 1 - Are most of the elements on the periodic table...Ch. 1 - Prob. 1ICCh. 1 - Prob. 2ICCh. 1 - Find out how to read and interpret the results of...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
When the quantity 12.9 g is added to 2 1002 g, how many significant figures should be reported in the answer? a one b two c three d four e five
arrow_forward
What is the difference between reporting the quantity nine inches as 9 inches and 9.00 inches?
arrow_forward
1.41 How many significant figures are present in these measured quantities? (a) 1374 kg, (b) 0.00348 s, (c) 5.619 nm, (d) 2.475103cm , (e) 33.1 mL
arrow_forward
Without actually performing the calculations indicated, tell to how many significant digits the answer to the calculation should be expressed. (9.7871)(2)(0.00182)(43.21) (67.41+0.32+1.98)/(18.225) (2.001103)(4.7106)(68.224102) (72.15)(63.9)[1.98+4.8981]
arrow_forward
A perfect cube of unknown elemental composition has a length of 1.40 m on each side. The mass of the cube is 21.57 Mg (megagrams). Using this information and Table 2.8, determine the metal used to prepare the cube.
arrow_forward
What exponent or power of ten would you use to express how many meters are in a kilometer? a. 105 b. 103 c. 104 d. 102
arrow_forward
a 21.7 m to cm, b 517 m to km, c 0.666 km to cm
arrow_forward
1.47 A student weighs 10 quarters and finds that their total mass is 56.63 grams. What should she report as the average mass of quarter based on her data?
arrow_forward
1.48 A rock is placed on a balance and its mass is determined as 12.1 g. When the rock is then placed in a graduated cylinder that originally contains 11.3 mL of water, the new volume is roughly 17 rnL. How should the density of the rock be reported?
arrow_forward
The mass of a 50.00-milliliter sample of methanol is 39.59 grams. Determine the density of methanol.
arrow_forward
The density of quartz mineral was determined by adding a weighed piece to a graduated cylinder containing 52.2 mL water. After the quartz was submerged, the water level was 67.1 mL. The quartz piece weighed 39.8 g. What was the density of the quartz?
arrow_forward
What do you weigh in a milligrams; b grams; c kilograms? Which of these units do you think is best for expressing a persons weight? Why?
arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Chemistry for Today: General, Organic, and Bioche...
Chemistry
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Measurement and Significant Figures; Author: Professor Dave Explains;https://www.youtube.com/watch?v=Gn97hpEkTiM;License: Standard YouTube License, CC-BY
Trigonometry: Radians & Degrees (Section 3.2); Author: Math TV with Professor V;https://www.youtube.com/watch?v=U5a9e1J_V1Y;License: Standard YouTube License, CC-BY