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When an aqueous NaCl solution is electrolyzed, how many faradays need to be transfered at the anode to release .100 mol of Cl2 gas
When 0.0172 mol HI is heated to 500 K in a 2 L sealed container, the resulting equilibrium mixture contains 1.9 g of HI. Calculate Kc for the decomposition reaction 2HI(g) *) H2(g) + I2(g) .
The density of hydrogen gas in a flask is 0.147 g/L at 305 K. what is the pressure inside the flask? Calculate the density in G/L of CH4(g) at 75 Celsius and 2.1 atm (R= .08206 L*atm/mol*K).
What is the principal product when aniline is treated with sodium nitrite and hydrochloric acid at 0-5°C and this mixture is added to p-ethylphenol.
calculate the initial reaction rate when [O3] & [NO] remain essentially constant at the values [O3]0= 7.48 x 10-6 M & [NO]0= 3.26 x 10-5M, owing to continuous production from separate sources.
A 0.50 mol/L solution of codeine has a pOH of 3.05. What is the Kb value of codeine?
Explain Why a glacial Acetic acid in a conductance set-up does forms gradually brighter lights that is dim to bright because it is frequently diluted with water?
Elemental exonium (not a real element) consists of two major isotopes Abundance Mass 59% 94 amu 41% 112 amu What is the atomic weight for exonium? Answer in units of amu
If a sample of 6.022 g of CH4 is enclosed in a 30 L container at 402 K. What is its pressure in atmospheres?The volume is reduced to 12 L at constant temperature. What is the new pressure in atmospheres.
a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
A 1.25 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25.0 C and a pressure of 715 mm Hg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return to 25.0 C. Wha..
The temperature is 60 °F throughout . hey guys i already signed up for the web site you are going to send me but i couldn't find the answer
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
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