Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Chapter 1, Problem 66CP
Reaction of 2.0 L of hydrogen gas with 1.0 L of oxygen gas yields 2.0 L of water vapor. All gases are at the same temperature and pressure. Show how these data support the idea that oxygen gas is a diatomic molecule. Must we consider hydrogen to be a diatomic molecule to explain these results?
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Chapter 1 Solutions
Chemistry: An Atoms First Approach
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Reaction of 2.0 L of hydrogen gas with 1.0 L of oxygen gas yields 2.0 L of water vapor. All gases are at the same temperature and pressure. Show how these data support the idea that oxygen gas is a diatomic molecule. Must we consider hydrogen to be a diatomic molecule to explain these results?arrow_forwardIn 1886 Eugene Goldstein observed positively charged particles moving in the opposite direction to electrons in a cathode ray tube (illustrated below). From their mass, he concluded that these particles were formed from residual gas in the tube. For example, if the cathode ray tube contained helium, the canal rays consisted of He+ ions. Describe a process that could lead to these ions. Canal rays. In 1886, Eugene Goldstein detected a stream of particles traveling in the direction opposite to that of the negatively charged cathode rays (electrons). He called this stream of positive particles "canal rays:"arrow_forwardCopper: (a) Suppose you have a cube of copper metal that is 0.236 cm on a side with a mass of 0.1206 g. If you know that each copper atom (radius = 128 pm) has a mass of 1.055 1022 g (you will learn in Chapter 2 how to find the mass of one atom), how many atoms are there in this cube? What fraction of the cube is filled with atoms? (Or conversely, how much of the lattice is empty space?) Why is there empty space in the lattice? (b) Now look at the smallest, repeating unit of the crystal lattice of copper. Knowing that an edge of this cube is 361.47 pm and the density of copper is 8.960 g/cm3, calculate the number of copper atoms in this smallest, repeating unit.arrow_forward
- A combustion reaction involves the reaction of a substance with oxygen gas. The complete combustion of any hydrocarbon (binary compound of carbon and hydrogen) produces carbon dioxide and water as the only products. Octane is a hydrocarbon that is found in gasoline. Complete combustion of octane produces 8 L of carbon dioxide for every 9 L of water vapor (both measured at the same temperature and pressure). What is the ratio of carbon atoms to hydrogen atoms in a molecule of octane?arrow_forwardYou may have noticed that when water boils, you can see bubbles that rise to die surface of the water. Which of die following is inside these bubbles? Explain. a. air b. hydrogen and oxygen gas c. oxygen gas d. water vapor e. carbon dioxide gasarrow_forwardList the seven diatomic elements. Give their names and symbols.arrow_forward
- Which of the statements about the discovery of electrons is FALSE? Because atoms are neutral, the existence of a negatively charged particle implied there must be a positively charged component of an atom. Thomson proposed that electrons were small particles held within a positively charged sphere. The negatively charged electron is located outside the nucleus. Rutherford proved the plum-pudding model correct. All of the above statements are true.arrow_forwardRecognizing the intersection of scientific properties and ideas with the world around you is a key component of this course. By choosing a specific element to discuss, you will begin to understand how all substances are composed of elements that work together to form the world around us. Using the periodic table in Chapter 8 of your textbook, pick your favorite element. Describe this element's properties (i.e. atomic weight, atomic number, metal/non-metal, etc.). In addition to using your textbook, use reliable internet sources to research an interesting fact about this element. Use all of this information to explain why this is your favorite element. Cite your source(s) in APA format.arrow_forwardLiquid A has 10 grams of element X per liter. Liquid B has 15 milligrams of element Y per cm3 (there are 1000 milligrams in a gram and 1000 cm3 in a liter). It is desired to make 150 grams of molecule Z. To make 18 grams of Z requires 2 grams of X and 16 grams of Y. How many liters of each liquid should be used?arrow_forward
- The formulas for the oxides of sodium, magnesium, aluminum, and silicon are, respectively, Na2O, MgO, Al2O3, and SiO2. Using the periodic table, predict the chemical formulas for each of the following similar compounds. Express your answer as a chemical formula. lithium oxide barium oxide thallium oxide tin oxidearrow_forwardA balloon filled with He(g) contains the same number of atoms as a similar balloon filled with Ne(g). Both balloons are at the same temperature and pressure as the air around them. Which one of the following statements is correct? Both balloons have the same volume. Both balloons have the same mass of gas. Both balloons will fall to the ground if released. Both balloons have the same density of gas. Helium balloon will float in air if released, but the neon Neon balloon will fall to the ground.arrow_forwardSulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a sample of sulfur hexafluoride produces 4.45 g of fluorine and 1.25 g of sulfur, while decomposition of a sample of sulfur tetrafluoride produces 4.43 g of fluorine and 1.87 g of sulfur. Calculate the mass of fluorine per gram of sulfur for each sample and show that these results are consistent with the law of multipleproportions.arrow_forward
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