CHEMISTRY:AN ATOMS FIRST...>CUSTOM PKG<
2nd Edition
ISBN: 9781337043960
Author: ZUMDAHL
Publisher: CENGAGE C
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Textbook Question
Chapter 1, Problem 1ALQ
Paracelsus, a sixteenth-century alchemist and healer, adopted as his slogan: “The patients are your textbook, the sickbed is your study.” Is this view consistent with using the scientific method?
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Describe the scientific method, and indicate by example how it is used to answer questions about situations we encounter in our every day lives.
1.) Which macroscopic characteristics differentiate solids, liquids, and gases? (List as many as possible.)
2.) In what types of technology do the elements designated as critical materials generally play important roles?
3.) When a scientist looks at an experiment and then predicts the results of other related experiments, which type of reasoning is she using? Explain your answer.
The Scientific Method
Group of answer choices
isn't used much in modern chemistry.
is a strict set of rules and procedures that lead to inarguable fact
is based on continued observation and experiment
is just a theory
Chapter 1 Solutions
CHEMISTRY:AN ATOMS FIRST...>CUSTOM PKG<
Ch. 1 - Define and e xplain the differences between the...Ch. 1 - Is the scientific method suitable for solving...Ch. 1 - Use Daltons atomic theory to account for each of...Ch. 1 - What evidence led to the conclusion that cathode...Ch. 1 - What discoveries were made by J. J. Thomson, Henri...Ch. 1 - Consider Ernest Rutherfords -particle bombardment...Ch. 1 - Do the proton and the neutron have exactly the...Ch. 1 - What is the distinction between atomic number and...Ch. 1 - Paracelsus, a sixteenth-century alchemist and...Ch. 1 - What is wrong with the following statement? The...
Ch. 1 - Which of the following is true about an individual...Ch. 1 - These questions concern the work of J. J. Thomson....Ch. 1 - Which of the following explain how an ion is...Ch. 1 - You have a chemical in a sealed glass container...Ch. 1 - You may have noticed that when water boils, you...Ch. 1 - One of the best indications of a useful theory is...Ch. 1 - Prob. 9ALQCh. 1 - Which (if any) of the following can be determined...Ch. 1 - The difference between a law and a theory is the...Ch. 1 - As part of a science project, you study traffic...Ch. 1 - Explain the fundamental steps of the scientific...Ch. 1 - When hydrogen is burned in oxygen to form water,...Ch. 1 - Explain the law of conservation of mass, the law...Ch. 1 - Chlorine has two natural isotopes: C1737I and...Ch. 1 - The vitamin niacin (nicotinic acid, C6H5NO2) can...Ch. 1 - Section 1-5 describes the postulates of Daltons...Ch. 1 - The contributions of J. J. Thomson and Ernest...Ch. 1 - What is the modern view of the structure of the...Ch. 1 - The number of protons in an atom determines the...Ch. 1 - If the volume of a proton is similar to the volume...Ch. 1 - Prob. 23QCh. 1 - What refinements had to be made in Daltons atomic...Ch. 1 - When mixtures of gaseous H2 and gaseous Cl2 react,...Ch. 1 - Observations of the reaction between nitrogen gas...Ch. 1 - A sample of chloroform is found to contain 12.0 g...Ch. 1 - A sample of H2SO4 contains 2.02 g of hydrogen,...Ch. 1 - Hydrazine, ammonia, and hydrogen azide al1 contain...Ch. 1 - Consider 100.0-g samples of two different...Ch. 1 - The three most stable oxides of carbon are carbon...Ch. 1 - Two elements, R and Q, combine to form two binary...Ch. 1 - Prob. 33ECh. 1 - In a combustion reaction, 46.0 g of ethanol reacts...Ch. 1 - Early tables of atomic weights (masses) were...Ch. 1 - Indium oxide contains 4.784 g of indium for every...Ch. 1 - Prob. 37ECh. 1 - If you wanted to make an accurate scale model of...Ch. 1 - In an experiment it was found that the total...Ch. 1 - A chemist in a galaxy far, far away performed the...Ch. 1 - Write the symbol of each atom using the ZAX...Ch. 1 - For carbon-14 and carbon-12, how many protons and...Ch. 1 - How many protons and neutrons are in the nucleus...Ch. 1 - What number of protons and neutrons is contained...Ch. 1 - Prob. 45ECh. 1 - Write the atomic symbol (ZAX) for each of the...Ch. 1 - For each of the following ions, indicate the...Ch. 1 - How many protons, neutrons, and electrons are in...Ch. 1 - Prob. 49ECh. 1 - What is the symbol of an ion with 16 protons, 18...Ch. 1 - Complete the following table:Ch. 1 - Complete the following table:Ch. 1 - Four Fe2+ ions are key components of hemoglobin,...Ch. 1 - Which of the following statements is/are true? For...Ch. 1 - Identify each of the following elements. Give the...Ch. 1 - The isotope of an unknown element, X, has a mass...Ch. 1 - Prob. 57AECh. 1 - The early alchemists used to do an experiment in...Ch. 1 - In a reaction, 34.0 g of chromium(III) oxide...Ch. 1 - Prob. 60CWPCh. 1 - Complete the following table. Atmos Number of...Ch. 1 - Complete the following table.Ch. 1 - Which of the following is( are) correct? a. C40a2+...Ch. 1 - Prob. 64CPCh. 1 - Each of the following statements is true, but...Ch. 1 - Reaction of 2.0 L of hydrogen gas with 1.0 L of...Ch. 1 - A combustion reaction involves the reaction of a...Ch. 1 - A chemistry instructor makes the following claim:...Ch. 1 - You have two distinct gaseous compounds made from...Ch. 1 - Using the information in Table 1-1, answer the...Ch. 1 - A single molecule has a mass of 7.31 1023 g....Ch. 1 - You have gone back in time and are working with...
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- In Section 1.3 the statement is made that it is worthwhile for scientists, auto mechanics, doctors, politicians, and poets to take a scientific approach to their professions. Discuss how each of these people could use a scientific approach in his or her profession.arrow_forwardIf all scientists use the scientific method to try to arrive at a better understanding of the world, why do so many debates arise among scientists?arrow_forwardDiscuss an example of a case where you used the scientific method to solve a real-life issue. Green Fuel Observation, question, hypothesis, experiment, analysis, and conclusion.arrow_forward
- What are several political, social, or personal considerations that might affect a scientist's evaluation of a theory?What are examples of how such external forces have influenced scientists in the past?What are methods by which such bias might be excluded from future scientific investigations?arrow_forwardClassify each description as a hypothesis, theory, or law.-An untested explanation based upon observation or known facts-A description that predicts what happens, but doesn't explain how-Scientists after many experiments, state that matter is composed of atoms- An explanation that has been tested and verified- A botanist guesses, but has not verified , that plants with one red-flowered and one white flowered parent will have pink flowersarrow_forwardRead the paragraph below and identify the aspects of the scientific method that best align with each numbered sentence or phrase. Some answer options may be used more than once. The options are observation, theory, hypothesis, revised hypothesis, experiment, and law. The number option is before the period of each sentece. You are preparing to study for your chemistry exam and flip the switch to turn on your desk lamp. You find that the light does not come on (1). Based on past experiences, you guess that your roommate unplugged the lamp to use their hair drier and forgot to plug the lamp back in (2). You look under the desk and see that the lamp is plugged in (3). You decide instead that the lightbulb must be burned out (4) but you find that the light won’t turn on with a new lightbulb, either (5). You decide that the lamp is broken (6).arrow_forward
- Is the underlined part of the macroscopic domain, or the microscopic domain of chemistry ? 16 g of oxygen reacts with 2 grams of hydrogen to produce 18 g of waterarrow_forward.Identify the three steps in the scientific method.arrow_forwardIf you had the choice between a 1-litre beaker and a 1 litre graduated cylinder, which one should you use to measure volumes with maximal precision when making 1 litre of PBS? (you can perform an internet search to find this if you are not sure of the answer)arrow_forward
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