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Draw the Lewis dot structure of CNNO2 along with all possible resonance structures, labeling formal charges.
Explain would the calculated molarity of NaOH be too high or too low If the KHP weighed in your experiment today was contaminated with some unknown inert substance.
A solution of chloroform (CHCL3) in carbon tetrachloride (CCL4) is 1.87 molar chloroform and has a density of 2.93 grams/mL. Calculate
The lethal doses (expressed in ppm by volume) of two gases A & B are the same and equal to 20 ppm. Indicate how many mg of each gas would be needed to reach the lethal concentration in a room of 46m^3.
How many grams of titanium tetrachloride can be produced?
The titration of 15.00 mL of HCl solution requires 22.50 mL of 0.1200 M NaOH solution. What is the molarity of the HCl solution?
health risk does each of the following classification represent Corrosive Carcinogen Teratogen Mutagen
Use the results of your calc. in analysis and int. item 2 and the mole ratio from equation in analy. And int. item 3 to determine the moles of vinegar.
An X-ray photon of wavelength 0.976 strikes a surface. The emitted electron has a kinetic energy of 958 eV. What is the binding energy of the electron in?
Mg3N2(s) + 6H2O(l) → 3Mg(OH)2(s) + 2NH3(g) How many grams of H2O are needed to produce 150 g of Mg(OH)2?
A rigid plastic container holds 1.00 L methane gas at 630 torr pressure when the temperature is 20.3°C. How much more pressure will the gas exert if the temperature is raised to 44.3°C?
The delta G inital for the dissociation of an aqueous solution of a weak acid at 25 degrees celcius is 14.8 kJ. What is the calue of Ka for the acid?
50.0 mL of 1.0 M HCl at 25.0 oC were mixed with 50.0 mL of 1.0 M NaOH also at 25.0 oC in a styrofoam cup calorimeter. After the mixing process, the thermometer reading was at 31.9 oC.
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