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Question - How long does it take to deposit a coating of gold 1.00 um thick on a disk-shaped medallion 4.00 cm in diameter and 2.00 mm thick at constant of 86A? The density of gold is 19.3 g/cm^3 and the gold is from an Au(III) solution.
Solve the above problem and provide steps with explanation
2 L of an unknown concentration of the weak base ammonia are standardized. 50.0 mL of the basic solution are titrated with 0.200 M HCl. The end point occurs after 71.0 mL of acid are added. What is the concentration of ammonia in the 2 L flask
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
Question- In the titration of 25.0 mL of 0.10 M HCL with 0.10 M NaOH, calculate the pH: (a) after 20.0 mL of th standard NaOH solution has been added; and (b) after 30.0 mL of the standard NaOH solution has been added.
Preparing the Primary Standard
Question- A buffer of acetic acid/acetate is prepared by dissolving 3.50 g of sodium acetate in 200.0 ml of .150 M acetic acid. What is the pH of the buffer solution
suppose 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume v1 to volume v2 6v1 at
Identify the acid and the base in the following reactions. (The format CO2 for CO2, (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-)
Calculating concentration of an ion, Given the concentration of hydroxide ions, use the ion product constant of water to calculate the concentration of the other ion at 298 K
what is the balanced equation for the neutralization reaction between HI and Ba(OH)2 in aqueous solution
what amount of potassium chloride forms when 5.25 litres of chloride gas at 0.95 atm and 293 k reacts with17.0 g of
Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a temperature of 26?C and a pressure of 742mmHg
Question about States of Matter, Ian eats too many mars bars. To try to get rid of the excess kJ's he exercises in the gym by using a weights machine which works by compressing a cylinder of gas.
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