About Dr. Williams
Syllabus
Forms of energy
Converting Energy Units
Practice Problems
100

What is Dr. Williams first name?

Ryan

100

How many exams are there?

4 not including the final

100

What are the two main forms of energy used in this class?

1) Potential energy

2) Kinetic energy

100

Convert 4,184 J to kcal

1 kcal

100

a reactions reactants have 4 J of energy and the products have 2 J of energy. What is delta Erxn?

-2 J

200

Where is Dr. Williams from?

Georgia

200

How many free unexcused absences are there?

4

200

types of potential energy

Gravitational

Nuclear

Electrostatic

Chemical

200

convert 15kJ to cal

3585.09 cal

200

in a reaction the products have 15 J of energy and the reactants have 10 J of energy. What is delta Erxn

5 J

300

Where did Dr. Williams get is undergrad from?

Florida Gulf Coast University

300

what is the hw portal called

Aktiv

300

types of kinetic energy

mechanical

electrical

electromagnetic

thermal

300

convert 3.5 Cal to J

14644 J

300

A balloon is compressed from 8.0L to 3.5L by an external pressure of 2.7 atm. Find w in kJ

1.2 kJ

400

Where did Dr. Williams get his Graduate degree from?

University of Arizona

400

when are the teachers office hours

Wednesdays 10am to 12pm

400

What kind of potential energy is most important to chemists?

Chemical

400

Convert 3.5 cal to J

14.644 J

400

A 203 g iron skillet warms from 10°C to 421°C; c = 0.634 J/g·°C. How much heat is required?

5.29 x 104 J or 52.9 kJ

500

how many dogs does he own

2

500

what percent of your grade is the final

19.5%

500

what type of kinetic energy is most important to chemists?

thermal energy

500

convert 6087 cal to kJ

25.47 kJ

500

How much heat is required to warm 134 g of water from 15.0 °C to 90.0 °C? (c of water = 4.184 J/g·°C)

4.20 x 104 J or 42.0 kJ

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