Select the symbol for an isotope with 78 neutrons and 53 protons. 53 131 O3Pt 53 O 53 131 53 Submit Part D Request Answer Give the name for an isotope with 78 neutrons and 53 protons. Spell out the

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Q: -5 At -6.33 °C the concentration equilibrium constant K = 1.2 × 105 for a certain reaction. Here are…

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Q: The unknown liquid is volatile. If some of the liquid evaporates between the time the liquid is…

A: The formula of density is :  Density = Mass / Volume

Q: 1. The following are isomers of C₁0H14 with two fused six-membered rings. B E a. Identify which will…

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Q: 8. Draw the structure of compounds A-E in the following synthetic scheme. HBr 40 °C D+ A NaCN H B…

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Q: Upload a drawing: Now draw a molecular-level picture of the helium atoms to illustrate the process…

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Q: Q7: Calculate the mean activity coefficient as predicted by the Debye-Huckel Limiting Law (DHLL) for…

A: Question 7: Molarity of NaCl = 0.40 M Temperature = 298 K

Q: Q9: What is the approximate equilibrium constant at 25°C for the reaction 2 Cut → Cu²+ + Cu? Given:…

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Q: Choose an element (1) (Except Hydrogen) Define its isotopes and its uses and it must be inclined…

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Q: Draw the Line Bond Structure for nitrogen triiodide (NI3) Step 1: Count the total number of valence…

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Q: A neutron elastically scatters with an H-1 nucleus. Write the complete reaction equation.

A: A neutron is represented by n01 A H-1 nucleus is represented by H11

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Q: 02 Announcements - CHM2 ← → C K app.101edu.co D Starting from the Newman projection below, rotate…

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Q: 3. Another method of making the spots of these cations visible is by spraying the chromatogram with…

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Q: Determine the number of moles of H in each sample. 0.105 mol N2H4 34.4 mol C10H22

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Q: (a) (b) (c) OH Br NH Br HCI - 20°C Br₂ FeBr3 HNO3 H₂SO4

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Q: (3) How will you prepare 500 ml of 0.750 M citrate buffer with pH of 4.25 from solid citric acid…

A: Here we are required to prepare 500 ml of 0.75 M citrate buffer.

Q: What is the activity coefficient for each ion at the given ionic strength at 25 °C? Activity…

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Group 14 Elements

The following elements come under group 14 of the periodic table.