Concept explainers
(a)
Interpretation: To write
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
And standard form is normal way of writing the numbers.
(b)
Interpretation: To write
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
And standard form is normal way of writing the numbers.
(c)
Interpretation: To write
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
And standard form is normal way of writing the numbers.
(d)
Interpretation: To write
Concept Introduction :
Scientific notation: It may be defined as the special way to write very small and very large number in easier way so that it will be easy to write and understand.
And standard form is normal way of writing the numbers.
Want to see the full answer?
Check out a sample textbook solutionChapter 1 Solutions
Basic Chemistry
- What should be left in the locker before entering the laboratory? O a. all of the above O b.cellphone O . personal belongings O d. jewelryarrow_forwardEating of pechay and asparagus make your alimentary tract prone to gas formation. This is due to what element abundant in these plants upon metabolism? a. fiber b. oxygen c. sulfur d. carbon dioxide Choose one answer only. Clue: Letter A is not the answer.arrow_forwardWhich of the following statements about lab safety is FALSE? a.Use of contact lenses is not allowed even when safety goggles are used during experiment. b.All chemicals in the laboratory should be considered dangerous. c.Each reagent should have its own designated pipette. d.Any excess reagents used should be returned to the reagent bottle.arrow_forward
- I. Approved PPES should be worn whenever inside II. Approved PPES include plastic gloves. goggles the laboratory. and gowns A. First statement is true and second statement is false B. First statement is false and second statement is true C. Both statements are incorrect D. Both statements are correctarrow_forwardUnused chemicals from an experiment should be a. Disposed of in the proper container as indicated by the instructor b. Saved for next class c. Returned to their original containers d. Dumped in the sinkarrow_forwardCryogenic liquids can: a. displace air in a lab b. freeze skin c. embrittle materials d. explode e. all of the abovearrow_forward
- LABORATORY SAFETY 1A. You are finished with the lab activity when: a. you have collected your data b. you have followed proper clean-up procedures c. the group next to you is done d. the bell rings 1B. If the fire alarm sounds during a lab activity, a. leave only if the fire is in the room where you are located b. leave the room as quickly and quietly as possible without doing anything to your lab station c. turn off all heat sources and follow the evacuation procedures d. carefully put away all your materials and exit 1C. If a piece of electrical equipment has a damaged wire, a. it is okay to use it is you don't touch the damaged part b. it should be fixed before use c. it should be given to your instructor right away d. it is okay to use it if sparks are not shooting from the wire Please answer within 30 minutes to 1 hour. Please try to answer all, if possible. Thank in advanced!!!arrow_forwardIf the scale-pan of weighing balance is not well cleaned during preparations, it could lead to the following effect to ingredients. Select one: a. Cross contamination b. Geometrical mixing c. Drug caking d. Drug segregation The curved surface of a column of liquid which is produced in response to the surface of the container. Select one: a. Convex meniscus b. Meniscus c. Concave meniscus d. None of these The plummet or sinker methods applies the principle of Archimedes to obtain the weight of liquid displaced. It uses the pycnometer in determining the specific gravity of solids and liquids. Select one: a. The second statement is correct b. Both statements are correct c. Both statements are incorrect d. The first statement is correctarrow_forwardWhat is the purpose of using the following in Analytical Chemistry? (Define) a. Digestion b. Replicate samples c. Ignitionarrow_forward
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoWorld of ChemistryChemistryISBN:9780618562763Author:Steven S. ZumdahlPublisher:Houghton Mifflin College DivChemistry In FocusChemistryISBN:9781305084476Author:Tro, Nivaldo J., Neu, Don.Publisher:Cengage Learning
- Chemistry for Engineering StudentsChemistryISBN:9781285199023Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning