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Question- A spoon is to be electroplated with gold using 1.0 m AU(NO3)3 and 2.57 A of current. How many minutes are required to deposit 5.50 grams of gold on the spoon?
I need expert help to solve the above question. Show each and every step.
calculate the freezing point and boiling point of a solution of 383 g of glucose dissolved in 400. g of
itself is insoluble in ice cold water. how would you precipitate acetyl salicyclic acid from an aqueous solution of sodium acetyl salicylate and what measures would you take to ensure complete precipitation
suppose a 1.50 kg object is suspended from the end of a silicone band. when the object is pulled down and released the
how many grams of the compind potassium chloride must be dissolved in 200 grams of water to make a saturated solution at 60 C.
determine How many grams of Phosphine (PH3) can produce if 37.5 grams of P4(phosphorus) and 83.0 Litres of H 2 gas react at STP?
Question- An archaeologist discovers a fossil with a carbon-14 activity of 7.5 dpm per gram of carbon. If carbon-14 has an activity of 15.3 dpm, what is the estimated age of the fossil. (t1/2 = 5730 years)
Iodine deficiency can cause a goiter, which is an enlargement of the thyroid gland. You are sent to Pakistan to make field measurements of the concentration of iodide (I-) that is present in groundwater. (a) Oxidize I- in sample to I2 with potassiu..
they condense and then revaporize. During which of these steps is the concentration of the more volatile compound of the mixture increased?
Determine the order of the reaction and write a narrative of your approach to determine its order. What is the rate constant for the reaction?
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule. a. 3-pentanol b. 2-methyl-2-butanol c. 1-butano..
1.628 G Sample Of A Hydrate Of Magnesium Iodide Is Heated Until Its Mass Is Reduced To 1.072 G And All Water Has Been Removed. What Is The Formula Of The Hydrate?
Compute the mass of magnesium hydroxide produced. Silver nitrate and aluminum chloride react with each other by exchanging anion. Explain what mass in grams of AgCl is produced when 3.2g AgNO3 react with 3.0g of AlCl3
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