Concept explainers
(a)
Interpretation:
The given product is to be expressed as a power of
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
(b)
Interpretation:
The given product is to be expressed as a power of
Concept introduction:
The ordinary numbers are written as the power of
In scientific notation, the non-zero significant numbers are written along with the power of
Want to see the full answer?
Check out a sample textbook solutionChapter PSS Solutions
Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Introductory Chemistry: Concepts And Critical Thinking
- Given the mass of 1.500 Mg(Mega gram) and a volume of 2.205 x 10^6 cc (cubic centimeter), what is the unit weight?arrow_forwardIf you have a mixture of 10 lb. sunflower seeds which cost 32¢ per pound and 16 lb. of cracked corn which cost 18¢ per pound, how much would this mixture cost per pound? If 28% of the objects in a box weighed 45 gm each and other 72% weighed 55 gm each, what is the average weight of the objects?arrow_forwardIs the separation of the mixture shown here a physical orchemical process?arrow_forward
- The distance between two cities is 1500 kmkm. How long will it take, in hours, to drive from one city to the other if your average speed is 55 mi/hmi/h? Express your answer to two significant figures and include the appropriate units.arrow_forward8 ounce (237 ml) bottle of an energy drink provides 360 calories for a health weight management. if you were to drink 6 bottles of the energy drink, how many liters of the nutritional drink would you be consuming? express your answer in standard notation.arrow_forward2.49×106 kJ to kcal Express the value in kilocalories to three significant figures.arrow_forward
- A person's heartbeat is 66 beats per minute. If his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does the person live? Disregard leap years.arrow_forwardWhat is the value of 98 °F in units of °C?arrow_forwardThe following data refer to the element phosphorus. Classify each as a physical or a chemical property. (a) It exists in several forms, for example, white, black, and red phosphorus. (b) It is a solid at 25C and 1 atm. (c) It is insoluble in water. (d) It burns in chlorine to form phosphorus trichloride.arrow_forward
- 1-67 If 168 g of an unknown liquid requires 2750 cal of heat to raise its temperature from 26oC to 74oC, what is the specific heat of the liquid?arrow_forward1-68 The specific heat of steam is 0.48 cal/g oC. How many kilocalories are needed to raise the temperature of 10.5 kg of steam from 120oC to 150oC?arrow_forwardA moving-van crew picks up the following items: a couch that weighs 147 pounds, a chair that weighs 67.7 pounds, a piano at 3.6 x 10 2 pounds, and several boxes having a total weight of 135.43 pounds. Calculate and express in the correct number of significant figures the total weight of the load.arrow_forward
- Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage LearningIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage LearningGeneral, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage Learning
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningIntroductory Chemistry: An Active Learning Approa...ChemistryISBN:9781305079250Author:Mark S. Cracolice, Ed PetersPublisher:Cengage Learning