Mathematics Foundations Of College Mathematics

Which of the following statements IS NOT True?.

Select one:

a. excess noise and carelessness will result in poor results and accidents Incorrect

b. the baggy look is not in, especially in the science lab

c. long hair, shades and awesome scarves are not the rule in science

d. it's not cool to wear protective shoes in the science lab

The correct answer is: it's not cool to wear protective shoes in the science lab4

Which of the following statements is IS True?.

Select one:

a. contact lenses should not be worn, especially when working with chemicals

b. earphones are acceptable, provided you are careful when doing a lab

c. put your contact lenses in your eyes, as soon as you enter the lab

d. dazzling, dangling jewelry is OK in the lab, as long as care is taken

The correct answer is: contact lenses should not be worn, especially when working with chemicals

Laboratory clothing from a safety point of view should follow these guidelines ...EXCEPT for ...

Select one:

a. Finger rings or other tight jewelry which is not easily removed should be avoided.

b. Where infectious materials are present, lab coats and gloves are essential.

c. Sandals, open-toed shoes, and shoes with woven uppers, can be worn.

d. Find out the recommended clothingto wear for a particular chemical.

The correct answer is: Sandals, open-toed shoes, and shoes with woven uppers, can be worn.

Doing experiments at home IS allowed, provided you do this ...

Select one:

a. Make sure you have safety equipment readily available

b. Make sure you have read all of the instructuions carefully

c. Know all of the emergency contact numbers

d. Make sure a responsible adult is present

Feedback

Your answer is incorrect.

The correct answer is: Know all of the emergency contact numbers

Identify the WHMIS symbols by choosing the letter of the symbol which corresponds with the description of the classification.

Biohazardous Waste

Answer 1

9. Flammable [Options (A B C D E F)]

Answer 2

7. Toxic [Options (A B C D E F)]

Answer 3

10. Oxidizing [Options (A B C D E F)]

Answer 4

5. Compressed Gas [Options (A B C D E F)]

Answer 5

8. Poisonous [Options (A B C D E F)]

The correct answer is: 6. Biohazardous Waste – C, 9. Flammable – F, 7. Toxic – A, 10. Oxidizing – E, 5. Compressed Gas – B, 8. Poisonous – D

Hi class,

In this chat session,  you are going to explain how to identify types of compounds (Ionic / Covalent).

Every student needs to participate on this discussion.

Question: Identify the type of each compound and briefly explain how do you classify each compound:

a. KBr

b. CO2

Overall Expectations:

c1.  analyse chemical reactions used in a variety of applications, and assess their impact on society and the environment;

c2.  investigate different types of chemical reactions;

c3.  demonstrate an understanding of the different types of chemical reactions.

https://phet.colorado.edu/sims/html/balancing-chemical-equations/latest/balancing-chemical-equations_en.html

Overall Expectations:

d1.  analyse processes in the home, the workplace, and the environmental sector that use chemical quantities and calculations, and assess the importance of quantitative accuracy in industrial chemical processes;

d2.  investigate quantitative relationships in chemical reactions, and solve related problems;

d3.  demonstrate an understanding of the mole concept and its significance to the quantitative analysis of chemical reactions.

https://phet.colorado.edu/en/simulation/reactants-products-and-leftovers

https://phet.colorado.edu/sims/html/acid-base-solutions/latest/acid-base-solutions_en.html

https://phet.colorado.edu/sims/html/concentration/latest/concentration_en.html

Overall Expectations:

e1.  analyse the origins and effects of water pollution, and a variety of economic, social, and environmental issues related to drinking water;

e2.  investigate qualitative and quantitative properties of solutions, and solve related problems;

e3.  demonstrate an understanding of qualitative and quantitative properties of solutions.