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Suppose we are dealing with calcium chloride as opposed to the chemical in the video. If a solution contains 70 g of calcium chloride per 100 g of water at 25 degrees Celsius, is the solution unsaturated, saturated, or supersaturated?
show the photoelectron spectrum of N2.Assign short and long progression band.. which one is adiabatic band. give your explanation on basis of FCP. No google copy- paste thing please.
A nugget of pure gold of 4.90 grams absorbed heat of 270 Joules. determine the final temperature of the Au if the initial temperature = 22.0°C? specific heat of Au =0.129 J/(g·°C).
Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
Zinc sulfide reacts with nitric acid to give zinc sulfate and nitric oxide. Calculate the mass of zinc required to react with 110 mL of 0.15 M nitric acid.
If the exhaust rate is 80 m 3 per minute, what is the CO emission in grams per kilometer?
The resulting solution has an osmotic pressure of 0.544 atm at 25°C. Assuming that the organic compound is a nonelectrolyte, what is its molar mass?
The Occupational Safety and Health Administration has set the limit on the maximum percentage of carbon dioxide (CO2) in air a worker can breathe at 0.500% by mole.
The filterate is blue in color by the product of dissolving CuO. The filter was slightly blue after the CuO was filtered on to filter paper? d.) Not enough magnesium was added to remove all the blue color in the solution?
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
Draw the Lewis structures of the following compounds and find out number of electron groups, number of lone-pairs, geometry of electron
A sample consisting of various gases contains 3.4 10-6 mole fraction of radon. This gas at a total pressure of 33 atm is shaken with water at 30°C. Calculate the molar concentration of radon in the water.
how many moles of nitroglycerin were in the container originally? b) how many moles of gas(air) were in the container originally? c) how many moles of gas are in the container after the explosion?
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