Chemistry Homework Help

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Physical & Chemical Properties

Q. Iron pyrite (fool's gold, figure below) has a shiny, golden metallic appearance. Crystals are often in the form of perfect cubes. A cube 0.31 cm on each side has a mass of 0.040 g. c) Which of the observations are extensive? (select all that apply.) a) color b) luster c) length d) crystalline form e) mass

Solved • Jan 29, 2020

Physical & Chemical Properties

Q. Iron pyrite (fool's gold, figure below) has a shiny, golden metallic appearance. Crystals are often in the form of perfect cubes. A cube 0.31 cm on each side has a mass of 0.040 g. b) Which of these observations are quantitative? (Select all that apply)

Solved • Jan 29, 2020

Physical & Chemical Properties

Q. Iron pyrite (fool's gold, figure below) has a shiny, golden metallic appearance. Crystals are often in the form of perfect cubes. A cube 0.31 cm on each side has a mass of 0.040 g. a) Which of these observations are qualitative? (Select all that apply.)

Solved • Jan 29, 2020

Physical & Chemical Properties

Q. Classify each of the following properties as chemical or physical:

Solved • Jan 23, 2020

Physical & Chemical Properties

Q. Classify the underlined property as chemical or physical: The purple crystalline solid potassium permanganate forms a purple solution when dissolved in water.

Solved • Jan 23, 2020

Physical & Chemical Properties

Q. Classify the underlined property as chemical or physical: Silver is a shiny metal that has a density of 10.5 g/mL.

Solved • Jan 23, 2020

Physical & Chemical Properties

Q. Consider the following elements in their stable forms: 1. Carbon 2. Iodine 3. Argon 4. Sodium Then for each of the following questions, enter the number listed (1-4) before the element, for elements that satisfy the criterion. Enter in order with no separators. If none, type "none" or leave blank. (b) Which of these elements exist as diatomic molecules?

Solved • Jan 21, 2020