Who's Killing Who

Name: Gabriella Garcia

Date: 1/13/2017

Guided Reading Questionnaire:

Chapter 1: Sections 1.1 - 1.8

Please fill this out as or after you have read Chapter 1 and submit to the D2L Dropbox by 9:00 am on the day of the reading quiz. I will read these and use your responses as a basis for what we cover in class. This is also a good place to tell me if a section in the book is unclear to you.

1. What topic or topics in Chapter 1 is least clear at this point in your study?

The topic that is least clear to me, is unit conversions.

1. How might you use chemistry in your chosen career? Explain.

As a PA, I would be prescribing medications to patients, which chemistry was used to create. Many biological processes and dysfunctions are often lead by chemical reactions that I would need to understand to correctly diagnose a patient.

1. Give an example of a homogeneous mixture and a heterogeneous mixture. What is the special name for a homogeneous mixture?

Homogenous mixture- tea

Heterogenous mixture- sand

Special name- solution

1. What are the largest and smallest SI prefixes and their magnitudes? [MEMORIZE all units]

The largest SI prefix is exa, with a magnitude of 10^18. The smallest SI prefix is atto, with a magnitude of 10^-18.

1. List the five SI base units commonly used in chemistry. [MEMORIZE]

Kilogram, second, kelvin, ampere, mole, candela, meter.

1. Explain the difference between precision and accuracy.

Precision is how consistent results are when you repeat measurements. Accuracy is how close the measurement is to the actual value.

1. What are the common units of density? What is the density of water at 25°C?

The common units of density are grams, kilograms, liters, and milliliters. The density of water at 25°C is 0.997 grams per milliliter.