(a)
Interpretation:
The balanced
Concept Introduction:
An element containing isotopes which are emitting radiations are known as radioactive isotopes. This can emit radiation because of instability its nuclei. Isotopes which are having balance numbers of protons and neutrons are stable, but the serious imbalance can lead to nuclear reaction. The emissions occurs due to nuclear reactions are alpha emission, beta emission, positron emission and gamma emission.
- Alpha emission is an emission of helium nucleus (2 Protons and 2 neutrons) from the elements to stabilize the nucleus.
- Beta emission is an emission of beta particle as electron from nucleus of molecule.
- Positron emission is an emission in electron with positive charge is emitted by nucleus of molecule.
- Gamma radiation is only access energy from nucleus is emitted to stabilize nucleus of molecule.

Answer to Problem 19P
Beta emission- Beryllium-10 to Boron-10.
Explanation of Solution
Beryllium-10-
(b)
Interpretation:
The balanced nuclear equation needs to be written and the emitted radiation should be determined for Europium-
Concept Introduction:
An element containing isotopes which are emitting radiations are known as radioactive isotopes. This can emit radiation because of instability its nuclei. Isotopes which are having balance numbers of protons and neutrons are stable but the serious imbalance can lead to nuclear reaction.The emissions occurs due to nuclear reactions are alpha emission, beta emission, positron emission and gamma emission.
- Alpha emission is an emission of helium nucleus (2 Protons and 2 neutrons) from the elements to stabilize the nucleus.
- Beta emission is an emission of beta particle as electron from nucleus of molecule.
- Positron emission is an emission in electron with positive charge is emitted by nucleus of molecule.
- Gamma radiation is only access energy from nucleus is emitted to stabilize nucleus of molecule.

Answer to Problem 19P
Gamma emission- Europium-
Explanation of Solution
Europium-
(c)
Interpretation:
The balanced nuclear equation need to be written and the emitted radiation should be determined for Thalium-195 to Mercury-195.
Concept Introduction:
An element containing isotopes which are emitting radiations are known as radioactive isotopes. This can emit radiation because of instability its nuclei. Isotopes which are having balance numbers of protons and neutrons are stable but the serious imbalance can lead to nuclear reaction. The emissions occurs due to nuclear reactions are alpha emission, beta emission, positron emission and gamma emission.
- Alpha emission is an emission of helium nucleus (2 Protons and 2 neutrons) from the elements to stabilize the nucleus.
- Beta emission is an emission of beta particle as electron from nucleus of molecule.
- Positron emission is an emission in electron with positive charge is emitted by nucleus of molecule.
- Gamma radiation is only access energy from nucleus is emitted to stabilize nucleus of molecule.

Answer to Problem 19P
Positron emission- Thalium-195 to Mercury-195.
Explanation of Solution
Thallium-195 contains 81 protons and 123 neutrons and emits one positron that is an electron but positively charged and results into a new molecule with one number less
(d)
Interpretation:
The balanced nuclear equation need to be written and the emitted radiation should be determined for Plutonium-239 to uranium-235.
Concept Introduction:
An element containing isotopes which are emitting radiations are known as radioactive isotopes. This can emit radiation because of instability its nuclei. Isotopes which are having balance numbers of protons and neutrons are stable but the serious imbalance can lead to nuclear reaction. The emissions occurs due to nuclear reactions are alpha emission, beta emission, positron emission and gamma emission.
- Alpha emission is an emission of helium nucleus (2 Protons and 2 neutrons) from the elements to stabilize the nucleus.
- Beta emission is an emission of beta particle as electron from nucleus of molecule.
- Positron emission is an emission in electron with positive charge is emitted by nucleus of molecule.
- Gamma radiation is only access energy from nucleus is emitted to stabilize nucleus of molecule.

Answer to Problem 19P
Alpha emission- Plutonium-239 to uranium-235.
Explanation of Solution
Plutonium- 239 contains 94 protons and 145 neutrons. It undergoes alpha emission that emits helium nucleus and converted into uranium-235 with 92 protons and 143 neutrons.
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Chapter 9 Solutions
Introduction to General, Organic and Biochemistry
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- For which of the following ionic compounds would you expect the smallest difference between its theoretical and experimental lattice enthalpies? (You may assume these all have the same unit cell structure.) Electronegativities: Ca (1.0), Fe (1.8), Mg (1.2), O (3.5), S (2.5), Zn (1.6) Group of answer choices ZnO MgS CaO FeSarrow_forwardIn the Born-Haber cycle for KCl crystal formation, what enthalpy component must be divided by two? Group of answer choices KCl(s) enthalpy of formation Ionization energy for K(g) K(s) sublimation enthalpy Cl2 bond dissociation enthalpyarrow_forward2. Specify the solvent and reagent(s) required to carry out each of the following FGI. If two reagent sets must be used for the FGI, specify the solvent and reagent(s) for each reagent set. If a reaction cannot be carried out with reagents (sets) class, write NP (not possible) in the solvent box for reagent set #1. Use the letter abbreviation for each solvent; use a number abbreviation for reagent(s). Solvents: CH2Cl2 (A); H₂O (B); Reagents: HBr (1); R₂BH (6); H2SO4 (2); CH3OH (C); Br₂ (3); CH3CO₂H (D) NaHCO3 (4); Hg(OAc)2 (5); H₂O₂ / HO (7); NaBH4 (8) Reagent Set #1 Reagent Set #2 FGI хот Br Solvent Reagent(s) Solvent Reagent(s)arrow_forward
- What is the correct chemical equation for the lattice formation reaction for CaBr2? Group of answer choices Ca2+(g) + 2 Br−(g) → CaBr2(s) ½ Ca2+(g) + Br−(g) → ½ CaBr2(s) Ca(s) + Br2(l) → CaBr2(s) Ca(s) + 2 Br−(g) → CaBr2(s)arrow_forwardPLEASE ANSWER THE QUESTION!!!arrow_forward3. SYNTHESIS. Propose a sequence of synthetic steps (FGI) that convert the starting material (SM) into the Target molecule. For each FGI in your proposed synthesis, specify the reagents / conditions, and draw the product(s) of that FGI. DO NOT INCLUDE the FGI mxn in the answer you submit. If an FGI requires two reagent sets, specify the order in which the reagent sets are added, e.g., i) Hg(OAc)2 / H₂O; ii) NaBH4/MeOH. Indicate the stereochemistry (if any) of the products of each FGI. FGI 1. Me Starting Material Source of all carbons in the Target molecule (can use multiple copies) Me Me Target molecule + enantiomerarrow_forward
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