01_A: CH4 Sections 1-8 Questions

100 terms by Ktalbott Plus

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

freezing

Liquid to Solid

Boiling / Evaporating (the difference between the two is how fast or rapid)

Liquid to Gas

condensation

Gas to Liquid

sublimation

Solid to Gas

deposition or vapor deposition

Gas to Solid

2(a) WATER VAPOR: Element, Compound, Homogeneous Mixture, or Heterogeneous Mixture?

Compound

2(b) OXYGEN GAS: Element, Compound, Homogeneous Mixture, or Heterogeneous Mixture?

Element

2(c) ALCOHOL DISSOLVED IN WATER: Element, Compound, Homogeneous Mixture, or Heterogeneous Mixture?

Homogeneous Mixture

2(d) OIL FLOATING ON WATER: Element, Compound, Homogeneous Mixture, or Heterogeneous Mixture?

Heterogeneous Mixture

Which of the following is a gaseous nonmetal under normal conditions: cobalt, phosphorus, arsenic, chlorine, iodine?

Chlorine

Which of the following compounds has physical and chemical properties similar to those of metallic silver: AgCl, AgI, Ag2COc?

None, the properties of compounds are not similar to their constituent elements.

An aspirin tablet dissolves in water without producing bubbles. Is this an example of a physical change or a chemical change?

physical change

An Alka-Seltzer tablet dissolves in water and produces bubbles. Is this an example of a physical change or a chemical change?

chemical change

Igniting a 1.000-g magnesium flare produces 1.658 g of magnesium oxide smoke. What is the mass of oxygen in the air that reacted with the magnesium metal?

Applying the conservation of mass law, the mass of oxygen is found to be .658 g

What happens to the kinetic energy and velocity of gaseous molecules when the temperature increases?

As temperature of a gas increases, the kinetic energy of the molecules increases. As the kinetic energy of a gas increases, the velocity of the molecules increases.

The substance has a fixed shape. (name the state)

Solid Physical State

The substance has a variable volume. (name the state)

Gaseous Physical State

The substance compresses negligibly. (name the state)

Solid Physical State

The substance has a variable state. (name the state)

Liquid Physical State

The substance has a fixed volume. (name the state)

Solid Physical State

The substance compresses significantly. (name the state)

Gaseous Physical State

The substance has a variable shape.(name the state)

Gaseous Physical State

What describes the movement of individual particles in the gaseous physical state?

unrestricted movement of individual particles

Indicate whether heat energy is absorbed or released for the physical state of solid to liquid.

heat energy is absorbed

Indicate whether heat energy is absorbed or released for the physical state of liquid to gas.

heat energy is absorbed

Indicate whether heat energy is absorbed or released for the physical state of gas to solid.

heat energy is released

Indicate whether heat energy is absorbed or released for the physical state of gas to liquid.

heat energy is released

Indicate whether heat energy is absorbed or released for the physical state of liquid to solid.

heat energy is released

Indicate whether heat energy is absorbed or released for the physical state of solid to gas.

heat energy is absorbed

Distinguish between a pure substance and a mixture.

A pure substance has properties that are fixed. A heterogeneous mixture has properties that vary within a given sample; a homogeneous mixture has properties that vary from sample to sample.

Earth's crust is a _____________ mixture.

Heterogeneous mixture

Earth's atmosphere is a _____________ mixture.

Homogeneous mixture

Earth's oceans is a _____________ mixture.

Homogeneous mixture

Earth's rivers is a _____________ mixture.

Homogeneous mixture

Chlorine gas: pure substance or mixture?

pure substance

Oxyacetylene Gas: pure substance or mixture?

mixture

Salt water: pure substance or mixture?

mixture

Table salt: pure substance or mixture?

pure substance

Classify IRON METAL as an element, compound, homogeneous mixture, or heterogeneous mixture.

element

Classify IRON ORE as an element, compound, homogeneous mixture, or heterogeneous mixture.

Heterogeneous mixture

Classify IRON OXIDE as an element, compound, homogeneous mixture, or heterogeneous mixture.

compound

Classify STEEL ALLOY as an element, compound, homogeneous mixture, or heterogeneous mixture.

homogeneous mixture

Alloys are _____________ mixtures.

homogeneous mixture

Classify OXYGEN GAS as an element, compound, homogeneous mixture, or heterogeneous mixture.

element

Classify BRASS ALLOY as an element, compound, homogeneous mixture, or heterogeneous mixture.

homogeneous mixture

Classify ALUMINUM OXIDE as an element, compound, homogeneous mixture, or heterogeneous mixture.

compound

Name the three most abundant elements in Earth's crust.

oxygen, silicon, and aluminum

Name the three most abundant elements in the human body

Oxygen, carbon, and hydrogen

What is the atomic number for hydrogen?

1

What is the atomic number for potassium?

19

What is the atomic number for lead?

82

List the eight semi metals.

Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, Astatine

State whether each of the following properties is more typical of a metal or non-metal. (A) shiny luster, (B) gaseous state, (C) malleable, (D) reacts with metals and nonmetals

(A) shiny luster METAL, (B) gaseous state NONMETAL, (C) malleable METAL, (D) reacts with metals and nonmetals NON METAL

State whether each of the following properties is more typical of a metal or of a nonmetal. (A) shiny liquid at 500c, (B) low melting point, (C) ductile, (D) reacts with metals

(A) shiny liquid at 500c METAL, (B) low melting point NON METAL, (C) ductile METAL, (D) reacts with metals NON METAL

State whether each of the following properties is more typical of a metal or of a nonmetal: (A) shiny solid, (B) brittle solid, (C) low density, (D) forms alloys

(A) shiny solid METAL, (B) brittle solid NON METAL, (C) low density NON METAL, (D) forms alloys METAL

The mass ratio of C:H:O in natural vitamin C is 9:1:12. Predict the mass ratio of synthetic ascorbic acid (vitamin C) produced in a laboratory.

The mass ratio of the elements in vitamin C is 9:1:12.

Joseph Proust prepared copper carbonate in the laboratory and determined the Cu:C:O mass ratio to be 5:1:4. Predict the mass ratio of copper carbonate in the naturally occurring mineral.

5:1:4.

State the atomic composition for a molecule of the compound of aspirin, C9 H8 O4

9 Carbon atoms, 8 Hydrogen atoms, 4 Oxygen atoms

Write the chemical formula for the vitamin retinol: 20 carbon, 30 hydrogen, and 1 oxygen atom

Retinol C20 H30 H1

What is the total number of atoms in a molecule of the following compound citric acid (in citrus fruit) C3 H4 OH(COOH)3

21 atoms

What is the total number of atoms in a molecule of the following compound lactic acid (in sour milk), C2 H4 (OH)COOH

12 atoms

The reddish-brown color of copper is a_______ property. (physical/chemical)

physical

The high melting point of copper is a_______ property. (physical/chemical)

physical

The conducts heat and electricity of copper is a_______ property. (physical/chemical)

physical

Copper oxidizes in air is a_______ property. (physical/chemical)

chemical

The shiny metallic luster of cobalt is a_______ property. (physical/chemical)

physical

The high density of cobalt is a_______ property. (physical/chemical)

physical

The malleable and ductile properties of cobalt is a_______ property. (physical/chemical)

physical

Cobalt reacts with acid is a_______ property. (physical/chemical)

chemical

Titanium pulls into a fine wire. (physical/chemical)

physical property

Zinc generates an odorless gas in acid. (physical/chemical)

chemical property

Yellow phosphorus ignites in air. (physical/chemical)

chemical property

Chromium conducts heat. (physical/chemical)

physical property

Ether is flammable. (physical/chemical)

chemical property

Bromine is a reddish-orange liquid. (physical/chemical)

physical property

Ethanol vaporizes at 78c. (physical/chemical)

physical property

Steam condenses to water at 100c.

physical property

Dissolving (chemical or physical change)

physical change

Burning (chemical or physical change)

chemical change

Rusting (chemical or physical change)

chemical change

freezing (chemical or physical change)

physical change

oxidation(chemical or physical change)

chemical change

vaporization(chemical or physical change)

physical change

sublimation(chemical or physical change)

physical change

combustion(chemical or physical change)

chemical change

cutting aluminum foil(chemical or physical change)

physical change

Caramelizing sugar(chemical or physical change)

chemical change

adding air to a tire(chemical or physical change)

physical change

igniting a sparkler(chemical or physical change)

chemical change

hydrogen and oxygen explode(chemical or physical change)

chemical change

bromine vaporizes to gas(chemical or physical change)

physical change

methanol freezes to a solid(chemical or physical change)

physical change

calcium oxidizes to a white powder

chemical change

baking soda fizzes in water(chemical or physical change)

chemical change

vinegar and oil separate into two layers

physical change

a flaming fireplace releases heat

chemical change

a helium balloon decreases in size

physical change

If 10.0 g of zinc powder reacts with 4.91 g of yellow sulfur powder, what is the mass of the zinc sulfide product.

14.91 zinc sulfide

If 0.750 g of orange mercury oxide decomposes to 0.695 g of liquid mercury and oxygen gas, what is the mass of oxygen produced?

.055 g

melting

Solid to Liquid

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set