How many total numbers of a) protons, b) neutrons are in 1000 atoms of K-39

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Q: ation factors (Figure 1). THE ATAC The objective of this exercise is to become familiar with the…

A: Given ->  CH4

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Q: 27. 0.05 molar aqueous solution of K4[ Fe(CN)6] freezes at -0.26° C. Its degree of dissociation will…

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Q: 26. Which among the following is the correct order for osmotic pressure equimolar glucose, sodium…

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Q: When 5.12 g of a salt dissolves in 190. mL of water (density = 1.00 g/mL) in a coffee-cup…

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Q: a specific conformation. Draw a Newman projection of this molecule in the same conformation. H H_H-…

A: This question belongs to Stereochemistry.

Q: Based on the data, complete the table. Species A B C Molar Mass (g/mol) 40.078 39.09 32.065 Density…

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Q: Which compound is most likely to have produced the IR spectrum shown? 00T Yansmittance nor m

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Q: If 350.0 mL of 0.450 M Ca(OH)2 are added to 380.0 mL of 0.550 M HCl. Ca(OH)2 + 2HCl → CaCl2 + 2H2O…

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Q: 19 IDENTIFY THE IUPAC NAME OF THE CO MPOUND CI

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Q: A particular frost-free refrigerator uses about 785 kWh of electrical energy per year. Express this…

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Q: How many unpaired electrons are present in a ground state Si atom.

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Q: AICI 12051 3.1 Strong i=4

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A: Given  ΔHrxn = -30.1 kJ/mol  ΔSrxn = -58.3 J.mol.K

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Q: order to compare them to one another.) • Fluid A: m = 2.060 kg, V = 2000 mL • Fluid B: m = 6.729 x…

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Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. 1. NaBH4 2. H3O+ H

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Group 14 Elements

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