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Living by Chemistry

Angelica M. Stacy

Chapter 13

Toxic Changes - all with Video Answers

Educators

Section 1

Chemical Equations

03:40

Problem 1

What is the difference between a reactant and a product?

Vishal Sharma
Vishal Sharma
Numerade Educator
07:30

Problem 2

Are chemicals and chemical reactions important for life? Why or why not?

Vishal Sharma
Vishal Sharma
Numerade Educator
03:41

Problem 3

Describe in your own words what a toxic substance is.

Vishal Sharma
Vishal Sharma
Numerade Educator
04:26

Problem 4

Both bleach and ammonia are used for cleaning. However, it is very dangerous to mix bleach with ammonia because they react to produce sodium hydroxide and the toxic gas chloramine.
$$\mathrm{NaOCl}(a q)+\mathrm{NH}_{3}(a q) \longrightarrow \mathrm{NaOH}(a q)+\mathrm{NH}_{2} \mathrm{Cl}(g)$$
a. Write an interpretation of the chemical equation.
b. What do you expect to observe?

Vishal Sharma
Vishal Sharma
Numerade Educator
04:25

Problem 5

Poisoning with mercury chloride can be reversed by chelation therapy. The chelating agent called EDTA, $\mathrm{C}_{10} \mathrm{H}_{16} \mathrm{N}_{2} \mathrm{O}_{8},$ is injected into the bloodstream. EDTA forms a water-soluble compound with mercury ions, allowing removal from the body through the kidneys.
$$\mathrm{HgCl}_{2}(s)+\mathrm{C}_{10} \mathrm{H}_{16} \mathrm{N}_{2} \mathrm{O}_{8}(a q) \longrightarrow \operatorname{HgC}_{10} \mathrm{H}_{12} \mathrm{N}_{2} \mathrm{O}_{8}(a q)+4 \mathrm{HCl}(a q)$$
a. Write an interpretation of the chemical equation.
b. What do you expect to observe?

Vishal Sharma
Vishal Sharma
Numerade Educator
07:05

Problem 6

Describe at least three types of effects that a toxic substance can have on the body.

Vishal Sharma
Vishal Sharma
Numerade Educator