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Mixtures Solutions Library

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161 solutions

Mixtures

Q. A glass jar contains pure sodium chloride. Which term or terms could be used to describe the contents of this glass jar?Matter can be classified in...

Solved • Jun 30, 2020

Mixtures

Q. A blood sample contains several different types of cells, each of which contains different combinations of specific ions and molecules. The cells a...

Solved • Jun 30, 2020

Mixtures

Q. A filament of a light bulb is made from a pure sample of tungsten. Which term or terms could be used to describe this sample of tungsten?Matter can...

Solved • Jun 30, 2020

Mixtures

Q. A sample of gasoline contains various hydrocarbons, which comprise atoms of carbon, hydrogen, and oxygen. The hydrocarbons mix together uniformly t...

Solved • Jun 30, 2020

Mixtures

Q. Classify the following mixtures as homogeneous or heterogeneousAll matter can be classified as either a mixture or a pure substance. Mixtures can b...

Solved • Jun 30, 2020

Mixtures

Q. Classify each of the following substances as an element, a compound, or a mixture.All matter can be classified as either a mixture or a pure substa...

Solved • Jun 30, 2020

Mixtures

Q. In the following images, the white spheres represent hydrogen atoms and the red spheres represent oxygen atoms. Classify each sample as an element,...

Solved • Jun 30, 2020

Mixtures

Q. How does a gas differ from a liquid with respect to each of the following propertiesability to mix with other substances of the same phase to form ...

Solved • Jun 30, 2020

Mixtures

Q. Suggest a method of separating each of the following mixtures into two components:oil and vinegar

Solved • Jun 29, 2020

Mixtures

Q. Suggest a method of separating each of the following mixtures into two components:sugar and sand

Solved • Jun 29, 2020

Mixtures

Q. Which of the following is the correct description of a cube of material cut from the inside of an apple?a. It consists of a homogeneous mixture of ...

Solved • Jun 29, 2020

Mixtures

Q. What is the difference between a homogenous and a heterogeneous mixture?(a) A homogeneous mixture has the same composition throughout, while a hete...

Solved • Jun 25, 2020

Mixtures

Q. Which of these mixtures are heterogeneous? a. oil and water b. salt and water c. brass (an alloy of copper and zinc) d. granite (a type of rock wit...

Solved • Jun 16, 2020

Mixtures

Q. Which statement best describes a compound? a) A compound always contains a metal and a nonmetal. b) A compound has variable composition of atoms an...

Solved • Apr 27, 2020

Mixtures

Q. Which of the following are mixtures? Check all that apply.a) salt waterb) water (H2O)c) salt (NaCl)d) air (mostly N2 and O2)

Solved • Apr 14, 2020

Mixtures

Q. Which of the following items is a mixture? a) waterb) heliumc) brassd) sugare) none of the above

Solved • Apr 14, 2020

Mixtures

Q. A substance composed of two or more elements in a fixed, definite proportion is:A. a homogeneous mixtureB. a heterogenous mixtureC. a compoundD. a ...

Solved • Sep 15, 2019

Mixtures

Q. A substance that can't be chemically broken down into simpler substances is:A. a homogeneous mixtureB. an elementC. a heterogeneous mixtureD. a com...

Solved • Sep 15, 2019

Mixtures

Q. Choose the pure substance from the list below.A. sea waterB. sugarC. airD. lemonadeE. milk

Solved • Sep 15, 2019

Mixtures

Q. Sugar dissolved in water is best described as ana. homogeneous mixtureb. heterogeneous mixturec. elementd. pure substancee. none of these

Solved • Sep 14, 2019

Mixtures

Q. A solution is also called a

Solved • Sep 13, 2019

Mixtures

Q. How are gases different from solids and liquids? A) Gases are colorless, but solids and liquids are not. B) A gas takes the shape of its container,...

Solved • Sep 13, 2019

Mixtures

Q. Which of the picture(s) below shows a pure substance?A. (i) onlyB. (i) and (iv) onlyC. (i), (iv), (v) and (vi) onlyD. (ii), (iii) and (iv) onlyE. (...

Solved • Sep 12, 2019

Mixtures

Q. How are elements and compounds related?

Solved • Aug 25, 2019

Mixtures

Q. How do the molecules of a compound differ from the molecules of an element?

Solved • Oct 25, 2018

Mixtures

Q. In which form of water are the water molecules farthest apart?

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:a gold ingot

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:a cup of coffee

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance, a solution, or a heterogeneous mixture:a wood plank

Solved • Oct 25, 2018

Mixtures

Q. Which of the figures represents a pure element, a mixture of two elements, a pure compound, or a mixture of an element and a compound? (More than o...

Solved • Oct 25, 2018

Mixtures

Q. Musical instruments like trumpets and trombones are made from an alloy called brass. Brass is composed of copper and zinc atoms and appears homogen...

Solved • Oct 25, 2018

Mixtures

Q. Musical instruments like trumpets and trombones are made from an alloy called brass. Brass is composed of copper and zinc atoms and appears homogen...

Solved • Oct 25, 2018

Mixtures

Q. A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly ...

Solved • Oct 25, 2018

Mixtures

Q. A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly ...

Solved • Oct 25, 2018

Mixtures

Q. A solid white substance A is heated strongly in the absence of air. It decomposes to form a new white substance B and a gas C. The gas has exactly ...

Solved • Oct 25, 2018

Mixtures

Q. The photo below shows a picture of an agate stone. Jack, who picked up the stone on the Lake Superior shoreline and polished it, insists that agate...

Solved • Oct 25, 2018

Mixtures

Q. Which of the following would you characterize as a pure or nearly pure substance?(a) baking powder; (b) lemon juice; (c) propane gas, used in outdo...

Solved • Oct 25, 2018

Mixtures

Q. Judge the following statement as true or false. If you believe a statement to be false, provide a corrected version.Compounds can be decomposed int...

Solved • Oct 25, 2018

Mixtures

Q. Judge the following statement as true or false. If you believe a statement to be false, provide a corrected version.Air and water are both elements.

Solved • Oct 25, 2018

Mixtures

Q. Judge the following statement as true or false. If you believe a statement to be false, provide a corrected version.All mixtures contain at least o...

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture.If a mixture, indicate whether it is homogeneous or heterogeneous: (a) rice pudding

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture. If a mixture, indicate whether it is homogeneous or heterogeneous.(a) air

Solved • Oct 25, 2018

Mixtures

Q. Hydrogen, oxygen, and water are all composed of molecules. What is it about a molecule of water that makes it a compound, whereas hydrogen and oxyg...

Solved • Oct 25, 2018

Mixtures

Q. This image represents a particulate view of a sample of matter.Classify the sample according to its composition.

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following molecular diagrams as a pure substance or a mixture.

Solved • Oct 25, 2018

Mixtures

Q. Let a triangle represent atoms of element A and a circle represent atoms of element B. Select what is shown on each of the pictures

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following molecular diagrams as a pure substance or a mixture. 

Solved • Oct 25, 2018

Mixtures

Q. Each shape represents a type of particle (such as an atom or molecule).Classify each image as a pure substance, homogeneous mixture, or heterogeneo...

Solved • Oct 25, 2018

Mixtures

Q. What is the difference between a homogeneous and a heterogeneous mixture?

Solved • Oct 25, 2018

Mixtures

Q. White and black circles are used to represent different kinds of atoms in the following images.Correctly identify the images that accurately repres...

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following molecular diagrams as a pure substance or a mixture.

Solved • Oct 25, 2018

Mixtures

Q. Classify each substance as an element or a compound.

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture.a. aluminumb. apple juicec. hydrogen peroxided. chicken soup

Solved • Oct 25, 2018

Mixtures

Q. If it is a pure substance, classify it as an element or a compound.a. aluminumb. apple juicec. hydrogen peroxided. chicken soup

Solved • Oct 25, 2018

Mixtures

Q. If it is a mixture, classify it as homogeneous or heterogeneous.a. aluminumb. apple juicec. hydrogen peroxided. chicken soup

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture.a. waterb. coffeec. iced. carbon

Solved • Oct 25, 2018

Mixtures

Q. If it is a pure substance, classify it as an element or a compound.a. waterb. coffeec. iced. carbon

Solved • Oct 25, 2018

Mixtures

Q. If it is a mixture, classify it as homogeneous or heterogeneous.a. waterb. coffeec. iced. carbon

Solved • Oct 25, 2018

Mixtures

Q. Let a triangle represent atoms of element A and a circle represent atoms of element B. Select what is shown on each of the pictures.

Solved • Oct 25, 2018

Mixtures

Q. This image represents a particulate view of a sample of matter.Classify the sample according to its composition.

Solved • Oct 25, 2018

Mixtures

Q. Let a triangle represent atoms of element A and a circle represent atoms of element B. Select what is shown on each of the picturesA) a homogenous ...

Solved • Oct 25, 2018

Mixtures

Q. Let a triangle represent atoms of element  A and a circle represent atoms of element B. Select what is shown on each of the picturesa. Draw an atom...

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mix...

Solved • Oct 25, 2018

Mixtures

Q. If it is a mixture, classify it as homogeneous or heterogeneous: sweat and vegetable soup

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mix...

Solved • Oct 25, 2018

Mixtures

Q. You may want to reference (Pages 10 - 12) Section 1.4 while completing this problem.If it is a pure substance, classify it as an element or a compo...

Solved • Oct 25, 2018

Mixtures

Q. You may want to reference (Pages 10 - 12) Section 1.4 while completing this problem.If it is a mixture, classify it as homogeneous or heterogeneous...

Solved • Oct 25, 2018

Mixtures

Q. Classify each of the following molecular diagrams as a pure substance or a mixture.

Solved • Oct 25, 2018

Mixtures

Q. If it is a pure substance, classify it as an element or a compound.A) Nickel is a compound; carbon monoxide is an element.B) Nickel is an element; ...

Solved • Oct 25, 2018

Mixtures

Q. Determine whether each molecular diagram represents a pure substance or a mixture. If it represents a pure substance, classify the substance as an ...

Solved • Oct 25, 2018

Mixtures

Q. What are two different ways to classify matter?

Solved • Oct 25, 2018

Mixtures

Q. What is the difference between a pure substance and a mixture?

Solved • Oct 25, 2018

Mixtures

Q. What is the difference between an element and a compound?

Solved • Oct 25, 2018

Mixtures

Q. What is the difference between a homogeneous and a heterogeneous mixture?

Solved • Oct 25, 2018

Mixtures

Q. Let a small circle represent an atom of one type of element and a small square represent an atom of a second type of element. Select what is shown ...

Solved • Oct 25, 2018

Mixtures

Q. Let a small circle represent an atom of one type of element and a small square represent an atom of a second type of element. Select what is shown ...

Solved • Oct 25, 2018

Mixtures

Q. Let a small circle represent an atom of one type of element and a small square represent an atom of a second type of element. Select what is shown ...

Solved • Oct 25, 2018

Mixtures

Q. If a piece of hard white blackboard chalk is heated strongly in a flame, the mass of the piece of chalk will decrease, and eventually the chalk wil...

Solved • Oct 17, 2018

Mixtures

Q. Suppose a teaspoon of magnesium filings and a teaspoon of powdered sulfur are placed together in a metal beaker. Would this constitute a mixture or...

Solved • Oct 17, 2018

Mixtures

Q. Match each description below with the following microscopic pictures. More than one picture may fit each description. A picture may be used more th...

Solved • Oct 17, 2018

Mixtures

Q. A sulfur atom and a sulfur molecule are not identical. What is the difference?

Solved • Oct 15, 2018

Mixtures

Q. Classify each of the following as an element, a compound, or a mixture:(a) iron

Solved • Oct 15, 2018

Mixtures

Q. Classify each of the following as a compound, a homogeneous mixture, or a heterogeneous mixture: (d) calcium sulfate

Solved • Oct 12, 2018

Mixtures

Q. Which of the following are examples of homogeneous mixtures?              • Cheddar cheese                • Iced tea with no ice              • Chi...

Solved • Sep 17, 2018

Mixtures

Q. Be sure to answer all parts.Several elements and compounds are given below. (a) Select the compound(s).                     • S8                   ...

Solved • Sep 6, 2018

Mixtures

Q. If it is a mixture, classify it as homogeneous or heterogeneous. (a) White wine is heterogeneous: beef stew is homogeneous. (b) White wine is homog...

Solved • Sep 6, 2018

Mixtures

Q. If it is a pure substance, classify it as an element or a compound. (a) Nickel is a compound: carbon monoxide is an element. (b) Nickel is an eleme...

Solved • Sep 6, 2018

Mixtures

Q. Propane can be decomposed chemically to give carbon and hydrogen in a definite ratio, so propane is:a) a homogenous mixtureb) a heterogenous mixtur...

Solved • Aug 14, 2018

Mixtures

Q.  A deep-sea scuba tank contains helium, oxygen, and traces of other gases. Which of the following describes the gas in the scuba tank? a. O element...

Solved • Aug 14, 2018

Mixtures

Q. Which of the following are mixtures? Check all that apply. (a) water (H2O) (b) salt (NaCl) (c) salt water (d) air (mostly N2 and O2)

Solved • Jul 16, 2018

Mixtures

Q. Which of the following statements is false? Select one: 

Solved • Jun 18, 2018

Mixtures

Q. Which of the following is not an example of matter?a. carbon dioxide in your exhaled breathb. steamc. heat from a barbeque grill

Solved • Mar 22, 2018

Mixtures

Q. Which of the following is a homogeneous mixture? a. gasoline b. vegetable oil and water c. sugar dissolved in water d. a and c e. a, b, and c

Solved • Mar 15, 2018

Mixtures

Q. Is brass an element, compound, or mixture?

Solved • Feb 16, 2018

Mixtures

Q. Which of the following is a homogeneous mixture? (a) copper (b) salt water (c) carbon dioxide (d) salad (e) neon

Solved • Feb 15, 2018

Mixtures

Q. Is Air an element, a compound, or a mixture?

Solved • Jan 3, 2018

Mixtures

Q. Which choice best represents the species in the figure below?a. Three different compoundsb. A triatomic compound and a diatomic compoundc. Two diff...

Solved • Jul 26, 2017

Mixtures

Q. Which of the following is NOT an example of a solution? (A) bronze (B) the atmosphere (C) sterling silver (D) Gatorade (E) all of these are ex...

Solved • Jul 13, 2017

Mixtures

Q. Which of the following formulas refers to a pure element?(A) H2O(B) H2O2(C) O2(D) Xf(E) answer to both (C) and (D)

Solved • Jul 13, 2017

Mixtures

Q. A substance that can't be chemically broken down into simpler substances is A) a homogeneous mixture. B) an element. C) a heterogeneous mixture....

Solved • Jun 16, 2017