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Application of ideal gas law.
An ideal gas originally at 0.85 atm and 66 degrees C was allowed to expand until its final volume, pressure, and temperature were 94mL, 0.60 atm, and 45 degrees C, correspondingly. What was its initial volume?
Identify the atoms that are oxidized and reduced, the change in oxidation state for each, and the oxidizing and reducing agents in each of the following equations: a) Mg(s) + NiCl2(aq) ? MgCl2(aq) + Ni(s) b) PCl3(l) + Cl ...
1. Perchloric acid is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid? 2. Phosphate ion is either a Brø ...
A cleaning solution is found to have a [OH-] = 3.2 x 10 -12 M. What is the [H 3 O + ] and is the solution acidic or basic?
Potassium and sodium chloride are similar in charge and they both have the same anion. When comparing sodium chloride (36 g / 100 mL at 0 oC) and potassium chloride, which has a higher solubility at 0 oC?
Identify the chemical components and the proportions necessary to achieve a buffer with the desired pH. Include relevant calculations in your answer.
A 1.00 L flask is filled with 1.00 g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.350 atm. What is the partial pressure of argon in the flask and what is the partia ...
1) What is the mass of 38 molecules of SO 3 in g? 2) What volume in L of chlorine at 30 o C and 743 torr is required to react completely with 4.76 g aluminum: 2Al(s) + 3Cl 2 (g) → 2AlCl 3 (s) Calculate the moles chlorin ...
Calculate the increase in the boiling point, ΔT, for a 1.87 m solution of sucrose (dissolves as a molecule) in water.
Explain how bacteria are intimately involved in the generation of acidic mine waters
Aluminum displaces cobalt from a 0.2 M solution of cobalt(II) perchlorate. Cobalt does not displace chromium from a solution of 0.2 M chromium (III) nitrate. Aluminum metal does not displace calcium from a 0.2M solution ...
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