In which of the following pairs are both chemical properties? A) has metallic luster, soluble in ammonia B) flammable, reacts with acid C) green in color, reacts violently with water D) has a high density, is very brittle The correct answer and explanation is : The correct answer is B) flammable, reacts with acid. Explanation: […]
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A solid substance is subjected to a number of tests and observations. Which of the following test results would not be classified as a physical property of the substance? A) It reacts with base to form water. B) Its density is 1.84 g/mL. C) It tastes sour. D) It is a white-colored solid. The correct
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Which of the following statements does not describe a physical property? A) Sparks are created when sodium metal is added to water. B) A strip of magnesium metal weighs 7.49 grams. C) Snow forms in the clouds via deposition. D) Mercury is a liquid at room temperature. The correct answer and explanation is : The
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Nitrogen gas has a(n) volume and a(n) shape. A) definite; definite B) indefinite; definite C) definite; indefinite D) indefinite; indefinite The correct answer and explanation is : The correct answer is D) indefinite; indefinite. Explanation: Nitrogen gas, like all gases, exhibits two primary properties: volume and shape. These properties are determined by the behavior of
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Which statement applies to uncommitted objectives? They are extra things teams can do if they have time. They are included in the commitment. They are counted when calculating load. They are items the team has high confidence in. The correct answer and explanation is : The correct answer is: They are extra things teams can
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Molten iron metal has a(n) volume and a(n) shape. A) definite; definite B) indefinite; indefinite C) definite; indefinite D) indefinite; definite The correct answer and explanation is : The correct answer is C) definite; indefinite. Explanation: To understand why molten iron has a “definite volume” and an “indefinite shape,” we need to consider the physical
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When the nuclide polonium-218 undergoes alpha decay: The name of the product nuclide is. _ The symbol for the product nuclide is. _ Write a balanced nuclear equation for the following: The nuclide bismuth-210 undergoes alpha emission. (Use the lowest possible coefficients.) The correct answer and explanation is : Answer: Balanced Nuclear Equation for the
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The state of matter a substance is in is determined by its __. A) electrical conductivity B) density C) temperature D) solubility The correct answer and explanation is : The correct answer is C) temperature. Explanation: The state of matter that a substance is in—solid, liquid, or gas—is primarily determined by its temperature. Temperature is
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Which statement best describes a sample of gas? A) A gas has a definite volume and a definite shape. B) The volume and the shape of a gas are determined by its container. C) A gas has a definite volume, but its shape is determined by its container. D) The volume of a gas is
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Hassock Corp. produces woven wall hangings. It takes 4 hours of direct labor to produce a single wall hanging. Hassock’s standard labor cost is $16 per hour. During August, Hassock produced 15,000 units and used 60,170 hours of direct labor at a total cost of $960,720. What is Hassock’s labor rate variance for August? Multiple
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