EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Chapter 2, Problem 2.2CR
DRAW IT Ø Draw the electron distribution diagrams for neon (10Ne) and argon (18Ar). Use these diagrams to explain why these elements are chemically unreactive.
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The atomic emission spectrum for a particular element includes blue-violet light with wavelength 440. nm. Calculate the energy in joules of this light given that E = h c/A, and h =
6.63 x 10-34Js, and c = 3.00 x 10°m/s. (h andc are constants, A is wavelength, convert nm into m)
h c
E =
I Review | Constants | Periodic Table
You may want to reference (Page) Section 9.5 while completing this problem.
Propane (C3 H8) burns in oxygen to produce carbon dioxide and water via the following reaction:
C3HS (g) + 502 (g)→3CO2 (g) + 4H,0(g)
Part A
Calculate the mass of CO2 that can be produced if the reaction of 37.3 g of propane and sufficient oxygen has a 56.0 % yield.
Express your answer with the appropriate units.
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draw the alkane strucutre based off the IR spectrum, 1H NMR spectrum, and 13C NMR spectrum for this compound.
Chapter 2 Solutions
EBK CAMPBELL BIOLOGY
Ch. 2.1 - MAKE CONNECTIONS Explain how table salt has...Ch. 2.1 - Is a trace element an essential element? Explain.Ch. 2.1 - Prob. 3CCCh. 2.1 - MAKE CONNECTIONS Explain how natural selection...Ch. 2.2 - Prob. 1CCCh. 2.2 - A nitrogen atom has 7 protons, and the most common...Ch. 2.2 - Prob. 3CCCh. 2.2 - Prob. 4CCCh. 2.3 - Why does the structure H C = C H fail to make...Ch. 2.3 - What holds the atoms together in a crystal of...
Ch. 2.3 - What holds the atoms together in a crystal of...Ch. 2.4 - Prob. 1CCCh. 2.4 - Which type of chemical reaction, if any, occurs...Ch. 2.4 - WHAT IF? Write an equation that uses the products...Ch. 2 - Prob. 2.1CRCh. 2 - DRAW IT Draw the electron distribution diagrams...Ch. 2 - In terms of electron sharing between atoms,...Ch. 2 - What would happen to the concentration of products...Ch. 2 - Level 1: Knowledge/Comprehension 1. In the term...Ch. 2 - Compared with 31P, the radioactive isotope 32P has...Ch. 2 - The reactivity of an atom arises from (A) the...Ch. 2 - Which Statement is true of all atoms that are...Ch. 2 - Which of the following statements correctly...Ch. 2 - Prob. 6TYUCh. 2 - The atomic number of sulfur is 16. Sulfur combines...Ch. 2 - What coefficients must be placed in the following...Ch. 2 - DRAW IT Draw Lewis dot structures for each...Ch. 2 - EVOLUTION CONNECTION The percentages of naturally...Ch. 2 - Prob. 11TYUCh. 2 - Prob. 12TYUCh. 2 - Prob. 13TYU
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- While waiting at an airport, Neil Campbell once overheard this claim: "It's paranoid and ignorant to worry about industry or agriculture contaminating the environment with their chemical wastes. After all, this stuff is just made of the same atoms that were already present in our environment." Drawing on your knowledge of electron distribution, bonding, emergent properties, complete a short essay countering this argument. Match the words in the left column to the appropriate blanks in the sentences on the right. electrons electron distribution harm living organisms valence electrons charge distribution atoms basic atoms molecules electron shells interact with other molecules of each element have a characteristic number of The number of form, so the chemical reactivity of an atom arises from its emerge from the arrangement of their constituent atoms and of the bonds between them. The Thus, a wide variety of same determine its highly specific ability to Reset Help arranged in determines…arrow_forwarduestion (1 point) e See section 9.8 A number of reactions can be used to generate common gases on a laboratory scale. For example, nitrogen can be produced from sodium metal and potassium nitrate as indicated by the balanced equation: 10Na(s) + 2KNO3(s) K₂O(s)+5Na₂O(s)+N2(g) A common laboratory-scale reaction can also generate oxygen gas by heating potassium chlorate, as indicated by the balanced equation: 2KCIO3(s) - 2KCI(s)+302(g) 1st attempt Part 1 (0.5 point) See Periodic Table See Hint What mass of potassium nitrate is needed to generate 179.0 L of gas, composed of 135.0 L of N2 and 44.0 L of O2 at 0.920 atm and 291 K, using these two reactions? g KNO Part 2 (0.5 point) What mass of potassium chlorate is needed to generate 179.0 L of gas, composed of 135.0 L of N2 and 44.0 L of O2 at 0.920 atm and 291 K, using these two reactions? g KCIO See Hintarrow_forwardChloroform is a volatile (readily changes from liquid phase to gaseous phase) once commonly used in the laboratory but now being phased out due to its ozone depletion potential. If the pressure of gaseous chloroform in a flask is 195 Torr at 25°C and its mass for 1 liter of gas is 1.25 g, what is the molar mass (g/mol) of chloroform? O None of these O 119 g/mol 10.0 g/mol O 76.3 g/molarrow_forward
- The elements oxygen and sulfur have similar chemical properties because they both have six electrons in their outermost electron shells. Indeed, both elements form molecules with two hydrogen atoms, water (H2O) and hydrogen sulfide (H2S). Surprisingly, at room temperature, water is a liquid, yet H2S is a gas, despite sulfur being much larger and heavier than oxygen. Explain why this might be the case.arrow_forwardWrite the electron configurations of Co, Co2+ , and Co3+.arrow_forwardWhen an electron (or electron density) is transferred toward a more electronegative atom, this tends to be an exergonic reaction. O True O Falsearrow_forward
- Nonearrow_forwardif the 3 to 1 transition has an energy of 1.94x10^-18 J what do you think the energy of the 1 to 3 transition is explain whyarrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, P210o, has 84 protons and 126 neutrons. When P210o decays, it emits an alpha particle, which is a helium nucleus 2 protons and 2 neutrons. P210o decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason why authorities failed to discover toxic amounts of P210o in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of P210o change into after it emits an alpha particle.arrow_forward
- Polonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. They can be stopped by, for example, a sheet of paper or a few inches of air. This property is one reason why authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po decay into after it emits an alpha particle?arrow_forwardOxygen, whose atomic number is eight, has three stable isotopes: 16O, 17O, and 18O. Explain what this means in terms of the number of protons and neutrons.arrow_forwardPolonium is a rare element with 33 radioisotopes. The most common one, 210Po, has 82 protons and 128 neutrons. When 210Po decays, it emits an alpha particle, which is a helium nucleus (2 protons and 2 neutrons). 210Po decay is tricky to detect because alpha particles do not carry very much energy compared to other forms of radiation. For example, they can be stopped by a single sheet of paper or a few inches of air. That is one reason that authorities failed to discover toxic amounts of 210Po in the body of former KGB agent Alexander Litvinenko until after he died suddenly and mysteriously in 2006. What element does an atom of 210Po become after it emits an alpha particle?arrow_forward
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