Essay3 topic: Explain in your own words what is the ideal gas law, and why was the mathematical are understanding of the behavior of gases was so important for the start of the industrial Revolution in the 1800s and for the development of modern science and technology? what was the industrial revolution that started in the early 1800s and why is that important?

Instructions: This Exam consists of 2 parts:

 Part (A) is on Blackboard and consists of 10 multiple-choice questions.

 Each question is worth 5 points for a total of 50 points

 You have to answer each question before you can proceed to the next question

 Once you begin, you have 60 minutes to complete Part (A).

 Blackboard Part (A) will close at 8:30 pm (You will not be able to start on this part after this time).

 The “Due Date” refers to the time after which you will be able to check your grade on Part (A).

 Good luck!

Part (B) is five essays.

 Each essay is worth a maximum of 10 points, for a total of 50 points.

 You will submit your essays as ONE single document, either as an attached document, or as text in an email.

 Your submission email must be sent to my PGCC email, boylewa@pgcc.edu

 The email SUBJECT must be “YOUR NAME (type your name) Summer 2020 Exam 1 Answers to Essay Questions.”

 Each essay must have a minimum of 200 words, and be written in correct, complete sentences and paragraphs.

 Use your own words and be as clear as possible.

Each essay will be graded based on the following rubrics:

Rubrics for essay.

(A) Relevancy: Does the essay answer the question?  4 pts.

(B) Authenticity: Does the essay reflect knowledge obtained from this course and your writing style? 3 pts.

(C) Correct grammatical style, sentences, paragraphs? 3 pts.

(D) Submitted on time? Penalty

(E)  Essay must have a minimum of 200 words, and be written in correct, complete sentences and paragraphs.

Summer 2020 Exam# 1

Essay 1 topic: Explain in your own words what is molecule polarity, and why is the importance of this polarity.

Essay 2 topic: Explain in your own words what is the octet rule, and what this rule and its exceptions have to do with the shapes of molecules. 

Essay 3 topic: Explain in your own words what are quantum numbers and what these numbers have to do with the electron structures of the atoms of each element, and with the chemical properties of each element.

 Essay 4 topic: Explain in your own words what is the greenhouse effect, what are the causes of the greenhouse effect, and what is the importance of this effect for you personally.

 Essay 5 topic: Explain in your own words what is the second law of thermodynamics, and what every person should know about the importance of this law.

For full credit, your email to me with your answers must be sent and dated before 10:30 pm tonight.

 If your email is sent after 10:30 pm but before 11:00 pm, there will be a 10% penalty.

 If your email is sent after 11:00 pm but before 11:30 pm, there will be a 20% penalty.

 If your email is sent after 11:30 pm, there will be a 100% penalty.

 Good luck! Once the exam has started, I will also send these instructions to you as an email, for your own reference.

Spring Exam #1

Essay1 topic: Of the topics we have discussed up to now in this chemistry course which one do you feel is the most valuable and/or the most important to you personally. and why (can be more than one)

Essay2 topic: What do you believe at the main differences between “? old” science (before 200 years ago) and “modern” science How is “modern” science important to you as you are living now, and in your future profession?

Essay3 topic: Explain in your own words which do you think are the most important rules for safety in the chemistry laboratory and why they are important.

Essay4 topic: Explain in your own words what is the greenhouse effect, what are the causes of the greenhouse effect, and what is the important of this effect for you personally.

Spring Exam #2

Essay1 topic: Explain in your own words why the fact that each element emits a unique line spectrum is important, what is the information is provided by the four quantum numbers about the distribution of electrons in the atom, and what is the relation between the kinds of orbitals in the atoms of each element and the shape of the periodic table?

Essay2 topic: explain in your own words why it is important for you as a science professional and /or as an informed citizen to be able to determine the shape of small molecules starting from the formula of the molecule? what does the shape of small molecules have to do with the shape of large molecules?

Essay3 topic: Explain in your own words what is the ideal gas law, and why was the mathematical are understanding of the behavior of gases was so important for the start of the industrial Revolution in the 1800s and for the development of modern science and technology? what was the industrial revolution that started in the early 1800s and why is that important?

Essay4 topic: Explain in your own words what is the orbital hybridization what’s are Sigma and P bonds, and why are these important?

In an essay form, explain the following:

1. what is molecule polarity, and why is the importance of this polarity.
2. what is the octet rule, and what this rule and its exceptions have to do with the shapes of molecules? 
3. what are quantum numbers and what these numbers have to do with the electron structures of the atoms of each element, and with the chemical properties of each element.
4. what is the greenhouse effect, what are the causes of the greenhouse effect, and what is the importance of this effect for you personally?
5. what is the second law of thermodynamics, and what every person should know about the importance of this law.