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The temperature of a 407.3 ml sample of gas increases from 217.3 K to 716.3 K. What is the final volume of the sample of gas, if the pressure in the container is kept constant?
In this experiement (a) which group in the acyl compound is being substituted and (b) what is the substituting group
What is the value of Ecell for a concentration cell that combines silver electrodes in contact with 0.10 M silver nitrate and 0.00003 M silver nitrate solutions? ( E = + 0.80 V for Ag/Ag+)
Suppose that 0.263g of NaCO3 required 38.35mL of aqueous HCl for titration to the equivalence point. What is the molar concentration of the acid
Microwave radiation of wavelength 4.00 mm is used to heat 250.0 grams of water from 10.6 degrees C to 100.0 degrees C. How many photons are needed?
a 12.6 g sample of nh4no3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 c. what
A large positive overall voltage from redox, metabolic step means: a. the process is very non-spontaneous b. change of G is large and positive
An automobile gasoline tank holds 43kg of gasoline. Explain When the gasoline burns, 151kg of oxygen are consumed as well as carbon dioxide and water are produced.
Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5. 10-3, Ka2 = 8. 10-8, and Ka3 = 6. 10-10. Calculate [H + ], [OH ? ], [H3AsO4], [H2AsO4? ], [HAsO42- ], and [AsO43- ] in a 0.23 M arsenic acid solution.
How can the molarity of chloride ion be calculated when 16 mL (2 mL intervals) of 12 M HCL is added to 5 mL of 0.4 M CO(NO3)2?
A student found that a brand B tablet would neutralize 0.011 moles of HCl per tablet. Which is the better buy, brand A or brand B? Why?
The glass floor of the CN Tower's observation deck can withstand a pressure of 14,000 kPa. How many pounds per square inch would this be?
What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M
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