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By mistake, a quart of oil was dumped into a swimming pool that measures 25.0cm by 30.0cm (assume the oil spread entirely across the surface of the water in the pool) What was the thickness of the resulting oil slick?
1 mol of Ca(OH)2 is placed in 2 L of water and stirred. At equilibrium, at a certain temperature, 0.0180 mol of Ca(OH)2 dissolves. What is Keq
1) Which Ion will be larger, Cr^3+ or V^3+. Explain why 2) How and why does Silicon form a "network covalent oxide"? what is a network covalent oxide 3) Why does Fe^2+ and Co^3+ have the same noble gas electron configuration of [Ar]3d^6
You then take 0.1657 g of pure reagent from bottle A, dissolve it in 100.0 mL of water, and titrate it in a precipitation titration against 0.0424 M Ba2+. The volume of Ba2+ required to reach the endpoint is 22.40 mL. a) What is the calculated mol..
An item is said to have an inelastic demand if people still continue to purchase it at near their previous rate of purchase even with a price increase. In other words, demand is not very responsive to price changes. What is an item with inelastic d..
consider a single crystal oriented such that the slip direction and normal to the slip plane are at angles 42.7deg and
32.5 kjmoldeggd muscles are powered by the hydrolysis of adenosine tri phosphate to adp pi which has a gacute for this
a compound consists of 93.75 carbon and 6.25 hydrogen. the substance dissolves in benzene and 6.14 g of it lowers the
If a wave has a frequency of 6.9536 x 109 Hz and an energy of 4.6076 x 10-24 J, what is the speed of light.
Problem- A solution of lead sulfate (PbSO4) contains 0.425 g of lead sulfate in 100.0 g of water. What is this concentration in ppm
question you fill a 500 ml container with 100 ml of water and shut the lid. the water is at 25 degrees celcius. how
Question- Salt water can effectively loosen up the cellular content because it weakens many inter-molecular interactions. Which of the following inter-molecular forces, however, cannot be weakened by salt water
Problem- What is the chemical equation for the above? Is there a reaction? If so, what are the balanced 1) molecular, 2) ionic, 3) net ionic equations? What are the states in the net ionic equation?
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