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Problem- A 45.9-m what is its volume at the final temperature? (Assume constant pressure.)L sample of gas in a cylinder is warmed from 23?C to 91?C.
Write your solution in appropriate format and provide references
What was the percentage by mass of Mg(OH)2 in the original sample? When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a chloride and water.
Identify the reagents for all three steps. Draw the structures of organic compounds A and B.
a 2.50 l flask at 17.0 degrees celcius contains a misture of three gases n2 he and co2 at partial pressures of 0.32 atm
a 4.22g sample of cus was added to excess hcl and the resulting h2s was collected over water. what volume of h2s was
what volume will 300 ml of gas at 40 degrees celcius and a pressure of 720 mm hg occupy if the temperature is reduced
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
One hour later, the two containers are opened and the temperature of each substance is measured. The aluminum has cooled to 35C while the water has cooled only to 66 . C.Explain this difference.
CH3CH2CH2CN can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield.
Carbon monoxide gas burns in oxygen to form carbon dioxide gas. Write a balanced equation for the reaction and determine the volume of oxygen needed to react completely with 910 mL of CO at 40.0°C and 1.00 atm
Question- Describe why in mid-morning when you look in the general direction of the sun, the air would be hazier while the same air appears blue when you turn around and look away from the sun.
The laser in an audio cd player uses light with a wavelength of 7.80* 10^2nm. Calculate the frequency of the light.
The freezing point change is ?1.9°C. a) Calculate the number of moles of solute in the solution. b) Calculate the molar mass of the solute.
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