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Which of the substances S8, CaCl2, SOCl2, NaF, CBr4, BrCl, LiF, and AsH3 are: (a) Largely ionic? (b) nonpolar covalent? (c) polar covalent?
Principles of general chemistry second edition. In determining the average rate over an entire experiment, do I need to take the coefficients of the reactants into account?
In the laboratory you are asked to make a 0.179 m magnesium acetate solution using 400 grams of water. How many grams of magnesium acetate should you add
The distribution constant for the metabolite between ligroin and an aqueous solution is 11.8. You extract 50.0 mL of an aqueous solution that is 0.0350 M in the metabolite with 25.0 mL ligroin. What is the concentration of the metabolite in the aq..
Sodium chloride has solubility in water at 100.0°C of 39.1 g sodium chloride per 100 g of water. Calculate the boiling point of a saturated solution of sodium chloride in water.
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
The molar heat of fusion of water is 6.02 KJ/mol. Calculate the energy required to melt 16.6g of water.
Identify the reaction conditions required for the dehydration of 2,3-dimethylpentan-2-ol to occur. Select all that apply.
A gas mixture composed of helium and argon has a density of 0.853g/L at a 745mmHg and 298K .What is the composition of the mixture by volume?
Calculate the fraction of lidocaine present in the form LH . MOPS Buffer Ka = 6.3 × 10-8. Lidocaine Kb = 8.7 × 10-7
Write a reaction for the formation of a peptide bond between alanine and serine. React the amino group of alanine with carboxyl group of serine. Remember that there are 2 products in this reaction.
Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)
Calculate the value of w (work) for the following system if 29.0 g of NaN3 reacts completely at 1.00 atm and 22 °C.
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