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Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.
Method 1:C6H6 + (CH3)3SiN3 + 2 F3CSO3H + NaOH---->C6H5NH2 + N2 + (CH3)3SiOSO2CF3 + NaF3CSO3 + H2O
Method 2:C6H6 + HNO3 ---->C6H5NO2 + H2OC6H5NO2 + 3 H2 ----> C6H5NH2 + 2 H2O
Every antacid contains one or more ingredients capable of reacting with excess stomach acid (HCl). The essential neutralization products are CO2 and/or H2O. Write net ionic equations to represent the neutralizing action of the following popular an..
What state is being described in each case? Type either s for solid, l for liquid (make sure you type an l and not an i), and g for gas (assume ideal). If the statement applies to more than one state
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees celsius to 127 degrees celsius. What is the new volume of the gas?
When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined
If 275 g of liquid water at 100.°C and 475 g of water at 30.0°C are mixed in an insulated container, what is the final temperature?
If the heat of combustion for a specific compound is -1360.0 kJ/mol and its molar mass is 82.03 g/mol, how many grams of this compound must
The mass of the ice cube is 11.2 g, and its initial temperature is -12.8 °C. The water resulting from the melted ice reaches the temperature of your skin
Determine the freezing point of an aqueous solution that is 1,7 m in ethylene glycol. The freezing point depression constant for water is 1.86°C/m The freezing point of pure water is 0.0°C.
If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173-pound man?
if water is added to magnesium nitride, ammonia gas is produced when the mixture is heated. if 10.3 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 20 celcius and .989 atm
discuss how the shielding by core electrons is analogous to putting a frosted-glass lampshade between the lightbulb and your eyes.
what percent of the fuel consists of the lighter isotope? Assume that the masses of the two isotopes are exactly 235 and 238 amu.
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