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Among the solubility rules previously discussed is the statement: Carbonates, phosphates, borates, and arsenates-except those of the ammonium ion and the alkali metals-are insoluble.
(a) Write the expression for the equilibrium constant for the reaction represented by the equation
CaCO3(s) ? Ca2+(aq) + CO3 -(aq). Is Kc > 1, < 1, or ≈ 1? Explain your answer
Problem- A young researcher set out to develop a method for quantifying the polycyclic aromatic hydrocarbon (PAH) content in a contaminated soil sample by gas chromatography
In the context of small molecules arrange these intermolecular forces by strength:hydrogen bonding, london dispersion forces, and dipole-dipole interactions
Calculate the standard enthalpy of formation of liquid water (H2O) using the following thermochemical information: 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ CO2(g) C(s) + O2(g) H = +393.5 kJ 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ H = kJ
[NO2] = 0.65 M, [NO] = 7.2 × 10-8 M, and [N2O] = 0.048 M. What is the value of Kp for this reaction? Enter your answer in scientific notation.
What is tautomerism? Explain briefly any two types of tautomerism using suitable (5) examples - Write the chemical reactions for the different methods used for the reduction of (5) aldehydes and ketones - Explain Fischer esterification with the help ..
Write an equation for the reaction of magnesium oxide with sodium chloride to produce magnesium chloride and sodium oxide. 1)show formulas of the reactants 2)show formulas of the products
the following reaction proceeds at constant temperature. What is the resulting total pressure of gases in now-joined flasks after the reaction proceeds to completion
Set up the net ionic equations for (a) the neutralization of HCl and (b) the neutralization of choloroacetic acid in such a way that they sum to the equation for (c) the dissociation of choloroacetic acid. Use Hess' law of heat of summation to find t..
when 15.0g of steam drops in temperture from 275.0C to 250.0C how much heat is released csteam=2.01j/gC
1. a fixed amount of gas at 20 degrees celsius occupies a volume of12.0l under pressure of 650 torr. calculate its
grams is added to a flask with a volume of 24.5 mL. It is found that 18.52 grams of water (d=0.9970 g/ml) must be added to fill the flask. What is the density of the metal?
1. what evidence provided support for bohrs model of the atom?2. why is the ionization of hydrogen greater than the
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