Choose every description below that always is true of a substance. O composition and properties are uniformly distributed. O cannot be represented by a chemical formula O can be separated into components by physical means O obeys the Law of Definite Composition O contains only one type of atom O contains only one type of molecule has variable composition can exist in any of the three states of matter None of the above is true of every sub stance.

Choose every description below that always is true of a substance. O composition and properties are uniformly distributed. O cannot be represented by a chemical formula O can be separated into components by physical means O obeys the Law of Definite Composition O contains only one type of atom O contains only one type of molecule has variable composition can exist in any of the three states of matter None of the above is true of every sub stance.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question 2 Give the classification of matter when two substances are present as a heteroatomic molecules. O heterogeneous mixture compound element O homogeneous mixture
How many grams of oxygen (O) are present in a 6.41 g sample of potassium nitrate (KNO3)? Enter your answer in decimal form with the correct number of sig figs. Use the proper abbreviation for the units. NOTE: If you have taken chemistry before and know what diatomic means, do not take that into consideration. Use just O for this. There are reasons for this.
Write a complete chemical formula, including physical state symbol, for each element listed below in its standard state. The first row of the table has been completed for you. element iron carbon hydrogen krypton I Don't Know formula Fe(s) 0 Submit X 00 $ S n Stv © 2023 McGraw Hill LLC. All Rights R 9 A Ⓒ J
Identify each of the following mixtures. Base your answers on the property described. particles that scatter light that do not settle out Choose. cannot be separated by filtration and homogenous Choose. large particles that settle unless constantly stirred Choose.
N Netflix How do the properties of compounds compare to the properties of the elements from which they are derived? The properties are generally different. The properties are the same. The properties are different only for metals. The properties differ insignificantly.
Which statement is FALSE? O A pure substance can be varied by changing the proportion of pure substances making it up A mixture can be separated into 2 or more substances by physical or mechanical means A pure substance had properties that are constant, no matter where you find it A pure substance has constant chemical composition A mixture's composition can be varied by changing the proportion of pure substances making it up
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If matter is uniform throughout, cannot be separated into other substances by physical processes, and cannot be decomposed into other substances by chemical processes, it is: Group of answer choices a heterogeneous mixture a compound a mixture of compounds an element a homogeneous mixture
In the given depiction of a substance, each sphere represents a chlorine atom. = Cl What is the formula of this substance? chemical formula: What is the state of matter of this substance? solid liquid gas