(a) Interpretation: Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated. Concept introduction: The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction , while a physical change results when matter changes forms but not its chemical identity.

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Answer 1

Question

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

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Students have asked these similar questions

(a) Carbon and iron are both elements. What is an element?

(a) Atoms are very small compared to objects on the macroscopic scale. The radius of a aluminum atom is 143 pm. What is this value in meters and in centimeters? m cm (b) The mass of a single aluminum atom is 4.48×10-23 g. Suppose enough Al atoms were lined up like beads on a string to span a distance of 37.7 cm (15 inches). How many atoms would be required? atoms What mass in grams of Al would be used? g Could you weigh out this amount of aluminum using a typical laboratory balance? (c) Taking the density of aluminum metal to be 2.70 g/cm³, calculate the mass of metal needed to form a piece of Al wire with the same length as the distance in b, but with a diameter of 1.00 mm. Hint: The volume of a cylinder is n times its radius squared times its height. (V = n r² h) How many aluminum atoms does this represent? g atoms

(b) A certain element has two naturally occurring isotopes. The mass of one of the isotopes is 106.905 amu and its natural abundance is 51.60%. The mass of the second isotope is 108.883 amu. Calculate the average atomic mass Write the chemical symbols of the isotopes (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by mass in this compound wąs found to be 30.27%. The complete combustion of 1.367 g this compound produces 1.765 g of sulfur dioxide (SO2) (i) Determine the empirical formula for this compound. (ii) If a sample of this compound having the mass 3.781 x 103 mg contains 9.528 x 10-3 moles of the compound, determine the molecular formula.

Answer 2

Question

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

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Answer 3

Question

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

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Answer 4

Question

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

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Answer 5

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Answer 6

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Answer 7

Chapter 3, Problem 55E

Interpretation Introduction

(a)

Interpretation:

Whether the phenomenon of zinc metal producing a colorless gas in acid is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Whether the phenomenon in which nickel alloys with copper in a 5¢ coin is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms but not its chemical identity.

Answer 10

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Whether the phenomenon of boiling of liquid helium at −269°C is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Answer 12

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Answer 13

Interpretation Introduction

(d)

Interpretation:

Whether the phenomenon of sodium metal reacting with chlorine gas is a physical or a chemical change is to be stated.

Concept introduction:

The phenomenon in which matter is rearranged without losing its identity is called a physical change. The phenomenon in which matter changes its form and loses its identity is called a chemical change. A chemical change results from a chemical reaction, while a physical change results when matter changes forms, but not its chemical identity.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 3 - Prob. 1CE Ch. 3 - Prob. 2CE Ch. 3 - Prob. 3CE Ch. 3 - Prob. 4CE Ch. 3 - Prob. 5CE Ch. 3 - Prob. 6CE Ch. 3 - Prob. 7CE Ch. 3 - Prob. 8CE Ch. 3 - Prob. 9CE Ch. 3 - Prob. 10CE

Solution Summary: The author explains that zinc metal produces a colorless gas in acid through chemical change.

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