Classify the statements pertaining to elements and compounds as either true or false. True False Compounds must contain atHeast [wo elements. Compounds are pure substances whereas elements are mixtures. : Compounds cannot be broken down further by processes such as filtration. Compounds may be broken down into simpfer substances througli: chemical processes. A compound is a physical mixture of simpler substances.

Classify the statements pertaining to elements and compounds as either true or false. True False Compounds must contain atHeast [wo elements. Compounds are pure substances whereas elements are mixtures. : Compounds cannot be broken down further by processes such as filtration. Compounds may be broken down into simpfer substances througli: chemical processes. A compound is a physical mixture of simpler substances.

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
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Explain how chemical change affects the chemical composition of a material (molecular level).
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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.
Physical properties are: those that a substance displays only through changing its composition. identical for all solid matter. those that a substance displays without changing its composition. those that cause atoms and molecules to change. none of the above
Which of the following is not true?
"Because composition does not change during a physical change, the appearance of a substance does not change" Is this true or false? Explain
Distinguish between a molecule and a compound. Give anexample of each. Are all molecules compounds? Are allcompounds molecules?
In a lab experiment, 5.2 g of Mg reacts with sulfur to form 12.1 g of magnesium sulfide. How much magnesium sulfide would be formed if 5.2 g of Mg were reacted with 14.1 g of S? gHow do you know? law of conservation of masslaw of multiple proportions law of constant compositionlaw of definite proportions In a lab experiment, 7.43 g of phosphorus reacts with bromine to form 64.93 g of phosphorus tribromide. How much phosphorus tribromide would be formed if 11.75 g of phosphorus reacted with 57.5 g of bromine? gHow do you know? law of definite proportionslaw of constant composition law of multiple proportionslaw of conservation of mass
1. Nitrogen and oxygen elements can form NO and N,0 compounds. A total of 14 grams of elemental nitrogen reacts with 16 grams of elemental oxygen to form NO compounds. Meanwhile, 28 grams of elemental nitrogen reacts with 16 grams of elemental oxygen to form N,0 compounds. Show that the law of multiple proportions applies!