Chemistry: Atoms First
18th Edition
ISBN: 9781938168154
Author: Richard Langley, Klaus Theopold, Paul Flowers
Publisher: OpenStax College
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Textbook Question
Chapter 20, Problem 14E
Complete each 0f the following equations:
(a)
(b)
(c)
(d)
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(a)
NO₂(g) + N₂O(g) → 3NO(g)
[NO]³
[NO₂] + [N₂O]
O [NO₂] + [N₂O]
[NO]³
[NO₂][N₂0]
[NO]³
[NO]³
[NO₂][N₂O]
(b)
CaSO3(s) CaO(s) + SO₂(g)
O [SO₂]
[CaSO3]
[CaO] + [SO]
1
[SO₂]
[CaSO3]
[CaO][SO]
© [CaO][SO_]
[CaSO3]
O [CaO] + [SO]
[CaSO3]
(c)
NICO3(s) Ni²+ (aq) + CO²(aq)
O [Ni²+][co]
[NiCO3]
[NiCO3]
[Ni²+ ][co]
O [Ni²+] + [Co-]
[NiCO3]
[NiCO3]
[Ni²+] + [co]
O [Ni²+ ][co]
O
2+
[Ni²+ ][co]
(b)
1.9-BBN
2. H₂O2, KOH
(3) A container holding NO2 and CO gas will lose NO2 gas via the reaction
NO2 (g) + CO (g) → NO (g) + CO2 (g)
A chemist measures the [NO2] over time and finds that plotting 1/[NO2 ] versus time yields a straight line with a slope of 3.56×10-2 M-1·s-1.
If the container originally held 1.00 M NO2, what is the concentration of NO2 after 1.50 hour
[NO2]1.5 hrs = ___________
How long will it take the [NO2] to drop to 20% of its initial concentration of 1.00 M?
T20% = __________
Chapter 20 Solutions
Chemistry: Atoms First
Ch. 20 - Write the following isotopes in hyphenated form...Ch. 20 - Write the following isotopes in nuclide notation...Ch. 20 - For the following isotopes that have missing...Ch. 20 - For each of the isotopes in Exercise 20.1,...Ch. 20 - Write the nuclide notation, including charge if...Ch. 20 - Calculate the density of the M1224g nucleus in...Ch. 20 - What are the two principal differences between...Ch. 20 - The mass of the atom N1123a is 22.9893 arm.. (a)...Ch. 20 - Which of the following nuclei lie within the band...Ch. 20 - Which of the following nuclei lie within the band...
Ch. 20 - Write a brief description or definition of each of...Ch. 20 - Which of the various particles ( particles, ...Ch. 20 - Complete each of the following equations by adding...Ch. 20 - Complete each 0f the following equations: (a)...Ch. 20 - Write a balanced equation for each of the...Ch. 20 - Technetium-99 is prepared from 98Mo. Molybdenum-SS...Ch. 20 - The mass of the atom F919 is 18.99840 amu.. (a)...Ch. 20 - For the reaction C614N714+?, if 100.0 g of carbon...Ch. 20 - What are the types of radiation emitted by the...Ch. 20 - That changes occur to the atomic number and mass...Ch. 20 - What is the change in the nucleus that results...Ch. 20 - Many nuclides with atomic numbers greater than 83...Ch. 20 - Why is electron capture accompanied by the...Ch. 20 - Explain, in terms of Figure 20.2, how unstable...Ch. 20 - Which of the following nuclei is most likely to...Ch. 20 - The following nuclei do not lie in the band of...Ch. 20 - The following nuclei do not lie in the band of...Ch. 20 - Predict by what mode(s) of spontaneous radioactive...Ch. 20 - Write a nuclear reaction for each step in the...Ch. 20 - Write a nuclear reaction for each step in the...Ch. 20 - Define the term half-life and illustrate it with...Ch. 20 - A 1.00106 -g sample of nobelium, N102254o, has a...Ch. 20 - 239Pu is a nuclear waste byproduct with a...Ch. 20 - The isotope 208Tl undergoes decay with a...Ch. 20 - If 1.000 g of R88226a produces 0.0001 mL of the...Ch. 20 - The isotope S3890r one of the extremely hazardous...Ch. 20 - Technetium-99 is often used for assessing heart,...Ch. 20 - What is the age of mummified primate skin that...Ch. 20 - A sample of rock was found to contain 8.23 mg of...Ch. 20 - A laboratory investigation shows that a sample of...Ch. 20 - Plutonium was detected in trace amounts in natural...Ch. 20 - A B47e atom (mass = 7.0169 amu) decays into a L37i...Ch. 20 - A B58 atom (mass = 8.0246 amu) decays into B48...Ch. 20 - Isotopes such as 26Al (half-life: 7.2105 years)...Ch. 20 - Write a balanced equation for each of the...Ch. 20 - Write a balanced equation for each of the...Ch. 20 - Write the balanced nuclear equation for the...Ch. 20 - How does nuclear fission differ from nuclear...Ch. 20 - Both fusion and fission are nuclear reactions. Why...Ch. 20 - Cite the conditions necessary for a nuclear chain...Ch. 20 - Describe the components of a nuclear reactor.Ch. 20 - In usual practice, both a moderator and control...Ch. 20 - Describe how the potential energy of uranium is...Ch. 20 - The mass of a hydrogen atom (11H) is 1.007825 arm;...Ch. 20 - How can a radioactive nuclide be used to show that...Ch. 20 - Technetium-99m has a half-life of 6.01 hours. If a...Ch. 20 - Iodine that enters the body is stored in the...Ch. 20 - If a hospital were storing radioisotopes, what is...Ch. 20 - Based on what is known about Radon-222’s primary...Ch. 20 - Given specimens uranium-232 (t1/2=68.9y) and...Ch. 20 - A scientist is studying a 2.234 g sample of...Ch. 20 - Given specimens neon-24 (t1/2=3.38min) and...
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