How much au will be plated out
How much Au will be plated out (from a solution containing Au3+ ) by the same amount of current that plates 10.5 g of Cu (from a solution of Cu2+ )?
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Several irregularly shaped pieces of zinc weighing 30.0g are droped into a graduated cylinder with an initial volume of 18mL. When the piece of zinc was dropped into the graduated cylinder, the water level rose to 22mL. Calculate the density of zi
A 64 kg hiker climbs to the top of a 3600 m-high mountain. The climb is made in 5.0 h starting at an elevation of 2500 m. a) Calculate the work done by the hiker against gravity.
Calculate the final temperature of 25.0 g of ethanol initially at 15C upon absorption of 565J of heat. (Density of ethanol = 0.789g/mL)
How fast (in rpm) must a centrifuge rotate if a particle 9.0 from the axis of rotation is to experience an acceleration of 125,000 g's?
The density of chloroform, a widely used organic solvent, is 1.4832 at 20 . How many milliliters would you use if you wanted 119.0 of chloroform?
What are the ways in which fertilizers can be applied to alleviate nutrients defficiencies in cropping systems identifying advantages and disadvantages of each method.
A dog searching for a bone walks 3.50 m south, then 8.20 m at an angle of 30.0° north of east, and finally 15.0 m west. Use graphical techniques to find the direction of the dog's resultant displacement vector. Give the direction of the result
A compound of nitrogen and hydrogen was burned in air to produce nitrogen dioxide and water. The number of moles of nitrogen dioxide produced was 2.5 times the number of moles of water produced. What is the empirical formula of the compound? Write
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