Exploring Creation with Physical Science Chapter 1 "on your own" Questions

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

1.5 On a professional basketball court, the distance from the three point line to the basket is 640.08 cm. What is this distance in meters?

6.4008 m

1.6 A piece of yarn is 3 inches long. How many centimeters long is it?

7.62 cm

1.7 How many slugs are there in 12 kg?

0.82248115147 sul

1.8 If an object occupies 3.2 gallons of space, how many liters of space does it occupy?

12.096 L

1.3 A student measures the mass of a book as 12,321 g. What is the book's mass in kg?

12.321 kg

1.4 If a glass contains 0.121 L of milk, what is the volume of milk in mL?

121 mL

1.10 Sodium is a necessary part of a healthy diet. If a person doesn't ingest enough sodium every day, that person will die. Nevertheless, most people try to limit their sodium intake by eating a low-salt diet. Why should you limit your sodium intake, even though it is a necessary part of body chemistry?

If you eat too much salt than you'll have a higher concentration of it in your body, which is not good for you.

1.2 When salt is dissolved in water, it actually breaks down into two different substances. Is salt composed of atoms or molecules?

Molecules.

1.9 Muratic acid is sold in hardware stores for use in cleaning. Pool owners, for example, use it to clean hard water stains and algae stains from their pools. Its active ingredient in hydrochloric acid The Works is a toilet bowl cleaner whose active ingredient is also hydrochloric acid. There are approximately 350 grams of hydrochloric acid in a liter of muratic acid, and there are approximately 40 grams of hydrochloric acid in a liter of The Works. Why is muratic acid a more powerful cleaner then The Works?

Muratic acid has a higher concentration of hydrochloric acid.

1.1 A molecule is broken down into its constituent atoms. Do these atoms have the same properties as the molecule?

No.


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