Questions from General Chemistry

Q: If iron filings are placed with excess powdered sulfur in a beaker

If iron filings are placed with excess powdered sulfur in a beaker, the iron filings are still attracted by a magnet and could be separated from the sulfur with the magnet. Would this combination of i...

Q: If the combination of iron filings and sulfur in Question 25 is

If the combination of iron filings and sulfur in Question 25 is heated strongly, the iron reacts with the sulfur to form a solid that is no longer attracted by the magnet. Would this still represent a...

Q: (For Exercises 13–14) Magnesium metal is very malleable

(For Exercises 13–14) Magnesium metal is very malleable and is able to be pounded and stretched into long, thin, narrow “ribbons” that are often used in the introductory chemistry lab as a source of t...

Q: What does it mean to say that a solution is a homogeneous

What does it mean to say that a solution is a homogeneous mixture?

Q: Given that 1 L = 1000 cm3, determine what conversion factor

Given that 1 L = 1000 cm3, determine what conversion factor is appropriate to convert 350 cm3 to liters; to convert 0.200 L to cubic centimeters.

Q: A rectangular solid measures 1.0 m by 2.4

A rectangular solid measures 1.0 m by 2.4 mm by 3.9 dm. What is the volume in liters?

Q: Which of the following substances is(are) homogeneous mixture(

Which of the following substances is(are) homogeneous mixture(s)? a. chocolate chip cookie b. iodine crystals (I2) c. air (in this room) d. gasoline (for a car) e. sucrose, C12H22O11 (commonly fo...

Q: Perform each of the following conversions, being sure to set up

Perform each of the following conversions, being sure to set up clearly the appropriate conversion factor(s) in each case. a. 908 oz to kilograms b. 12.8 L to gallons c. 125 mL to quarts d. 2.89 g...

Q: The mean distance from the earth to the sun is 9.

The mean distance from the earth to the sun is 9.3 3 107 mi. What is this distance in kilometers? in centimeters?

Q: Given that one metric ton = 1000 kg, how many metric

Given that one metric ton = 1000 kg, how many metric tons are in 5.3 3 103 lb?