statements is correct? o a. Its allowed to smell some chemicals in lab. O b. Clean pipets and droppers can be inserted into any reagent bottle. O c. It not allowed to throw solid chemicals in the sink. o d. There is no fire extinguisher in your lab. O e. It is not important to notify the Lab instructor if there is a mercury spill due to broken mercury thermometer.

statements is correct? o a. Its allowed to smell some chemicals in lab. O b. Clean pipets and droppers can be inserted into any reagent bottle. O c. It not allowed to throw solid chemicals in the sink. o d. There is no fire extinguisher in your lab. O e. It is not important to notify the Lab instructor if there is a mercury spill due to broken mercury thermometer.

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter1: Chemistry: An Introduction

Section: Chapter Questions

Problem 7A

See similar textbooks

Similar questions

1. Samples that should not be stored should be prepared/analyzed as soon as possible, especially for measurement…a. hardnessb. Nitritec. Conductivityd. Phenol 2. The following are general sample treatments in pesticide analysis, except…a. Extractionb. Cleaningc. Concentrationd. Filtering
Suppose that you heated the hydrated copper (II) sulphate in a test tube, instead of a beaker. How might this affect your results? 4 MAY 19 ... MacBook Pro & * %23 $ 2 3 4 5 6 7 E Y U G H J K C V M MOSISO command option command レー

.l Q... PIAT ] Question 20: Which of the following is NOT the advantage of grease? Question 21: The common friction modifiers used in grease is A Trcrosy phosohte (TCP) 8. Diben to (Z00P) Question 22: Synthetic oils are used in aerospace applications because & They can withetand very high range o emperature o 1207 10 5000 F. fiheor Nuinctian 22: ldantifir tha INNCNADDENT ctatamani o} o m > > @ u
2. Choose an object around you (anything you like). Make two qualitative observations about the object you chose. 3. Give examples of types of quantitative observations. The meltine Pnt of crustalline Sulfur is l15-1I Celsisand 35.9jrams of telde Saltithe chenical neime of which issoedium chloride disralves in of lovgrams of water at 20celcius. 4. Make one quantitative observation about the object you chose earlier. 5. Give an example of a hypothesis you made in real life recently. Remember the definition of hypothesis from our earlier section of work -a hypothesis is a tentative explanation that can be tested, and is usually based on previous observations. For example: My hypothesis is that my kids sleep better when I take them on a walk of at least 15 minutes long each day. reishe takes in more suugar 6. Design an experiment to test YOUR hypothesis. Here's my experiment: This week, I'm going to take my kids on a walk every day for 7 days, and track their sleep. Then, I'm NOT going to…
Which tool is best used to find the chemical's properties, hazards, safety precautions, disposal? O a. Chemical Labels b. MSDS c. GHS pictogram d. PPE W Type here to search hp 16 96 5n %24
To transfer a known volume of analyte to the flask for analysis, you should use a a. volumetric flask O b. volumetric pipette and bulb Oc. burette O d. graduated cylinder
Posttest Direction. Read the questions carefully. Write the letter of the correct answer. 1. Water exists in three states of matter and continuously moving through a cycle on Earth. At which stage in the water cycle does water transform from a gas to a liquid? a.evaporation c. precipitation b. condensation d. Sublimation 2. Carbon dioxide (CO2) forms when coal burns in the presence of oxygen. Which of the following is the BEST evidence that a chemical reaction occurs when the coal burns? a. Production of mechanical energy c. A new substance is produced b. Production of electricity d. Formation of precipitate 3.Which of these does NOT happen during a chemical change? a. New substances are formed with different chemical properties. b. Attractive force between atoms of molecule formed or break. c. The chemical properties of the substances before and after the reaction are the same d. Energy is always released or absorbed. 4. A granular substance is added to a liquid. Which of the…
What is the tolerance na 100-ml volumetric flask? O a. ±0.16 ml O b. +0.40 mL OC. 10.05 mL d. ±0.60 ml O e. +0.24 mL
O Course Home b Chemistry Question | bartleby G indivuials with austium good to -> A openvellum.ecollege.com/course.html?courseld=16561285&OpenVellumHMAC=446c877376a9bc7ac878d8ad119f4717#10001 Q * E Apps O Maps E Connect - To Do As... O OCCC Moodle P chem work b help Gmail YouTube Balance Chemical E. II Review | Constants | Periodic Table A carbon atom is chiral if it is bonded to four different groups. For example, CHCIBII is chiral, but CCl,BrI is achiral because some of the bonded groups are the same. If a chiral carbon atom is present, then that molecule has a non-superimposable mirror image called an enantiomer. (Figure 1) Part A Identify all the chiral atoms in the below structure by right-clicking* a chiral atom to bring up a menu that includes "Atom Properties." Click on Atom Properties then click the checked box next to the Map field to clear the checkmark. Then enter "1" in the Map *Mac users: Use an equivalent for right- field box to label that chiral carbon atom. clicking.…
correct statement is? a. Safety glasses should be worn in a laboratory at all times to decrease the likelihood of eye injury. b. Safety shower would immediately be used if your clothing caught fire or if a large chemical spill had occurred on your clothing. O c. It is not allowed to smoke in the lab. o d. If you have accidentally broken a test tube and spilled a chemical on the table, Caution your lab partners to avoid the area while you inform the teacher of the small accident. e. Use the eye-wash fountain ,then notify the instructor if a chemical gets in the eye.
1. Bromothymol blue indicator is color yellow in an acid solution and ______ in a basic solution. A. Clear B. Blue C. Red D. Violet How much time was taken for the disappearance of blue-black color to test tube 2 with 20 degrees Celsius temperatue? A. 6mins B. 4mins C. 2 mins D. The color did not disappear
Trye or false? information about the hazards of a particular chemical can be obtained from a document referred to as a SDS. The first aid for chemicas gotten in eyes or on skin is to wash the eyes or skin immediately with water for at least 15 minutes. safety goggles are to be worn in the laboratory by all whenever chemicals arw used in the laboratory.