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How many liters of dry carbon dioxide gas, measured at standard conditions will be evolved when 400 mL of a 0.20 M sulfuric acid are treated with an excess of potassium carbonate?
What is the mass of sugar in 735g of a 19.85% sugar solution?
Consider the the list below for the formation of esters of acetic acid using different alcohols. What does it tell you about the relative ease of preparation of esters from different types of alcohols
How many moles of sulfate ions are there in a 0.20 L solution of 0.080 molar aluminum sulfate
Each carbon-oxygen bond is somewhere between a single and a double bond. 3.Each oxygen atom has a double bond 50% of the time 4. The actual structure of formate is an average of the two resonance forms
the concentration of co2 in the soda is 0.14M. find the concentration of CO2 in the soda after the bottle is opened, and equilibrates at a partial pressure of 3.0 X 10^-4 atm. The henry's law constant is 3.4 X 10^-2 mol/L atm.
Sketch the reaction profile for an exothermic reaction of 25 kJ/mol with an activation energy of 55 kJ/mol. (Be sure to label the transition state on the diagram and include quantitative data.)
how much energy is required to vaporize 98.6 g of ethanol at its boiling point if its Hvap is 40.5 kj/ mol ?
The viscosity of the broth is 1.5 cp, the particle density is 15 g/liter and the specific cake resistance (a) is 8.5x1010 cm/g. The diameter of the filter drum is 1.25 m and it length is 1.5 m. Calculate the required pressure drop across the filte..
Calcium nitrate will react with ammonium chloride at slightly elevated temperature: Ca(NO3)2 (s) + 2 NH4Cl (s) ---> 2 N2O (g) + CaCl2 (s) + 4 H2O (g) A 1.00 mol sample of each reactant will give what volume of dinitrogen monoxide at STP
For the cell diagram H2(g,1atm) ll Pt l Pt+ (g,1atm) answer the following questions. Enter part(a), (c) with 2 siginificant digits and part(b) with 3 siginificant digits. Enter scientific notation as 1.23E4. (a) What is Ecell if the unknown soluti..
A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C.
Does the octet rule mean that a diatomic molecule has 16 valence electrons? Select from the following:
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