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Part 1. Tums, a drugstore remedy for acid indigestion, contains CaCO3. Write an equation for the reaction of Tums with gastric juice (HCl)
Part 2. Rank the following solutions in order of decreasing pH: 0.10 M HCOOH, 0.10 M HF, 0.10 M H2CO3, 0.10 M HSO4-, 0.10 MNH4.
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq)
The steam is comes out of the feed water at 200 C. The water at a flow rate of 500 kg/h enters the feed water heater at 20C. Calculate the feed water exit temperature.
The initial step in the accepted mechanism for the benzilic acid rearrangement involves attack of hydroxide ion at a carbonyl carbon in a benzil molecule
calculate the amount of heat necessary to raise the temperature of 53.4 grams of ice at -50.0 degrees celsius to water
Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes. Draw the major organic product(s) formed
Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm. What volume will the gas occupy as the pressure changes to 0.980 atm.
An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/cm3. Calculate the molality, molarity, and mole fraction of the ethylene glycol.
Could someone please help me with this post lab question fororganic chemistry. Draw the structure of the triglyceride formed from oleic acid,linoleic acid, and stearic acid
Benzene freezes at 5.45 oC. The Kf for benzene is - 5.07 oC/m. What would be the freezing point of a 0.210 m solution of octane in benzene?
Ethylene glycol, C2H4(OH)2, is the main component of antifreeze. What mass percentage of ethylene glycol in water must be used to reduce the freezing point of the mixture to -9.34 deg-C? (K_fp for water is -1.86 deg-C/m).
How much heat is absorbed when 45.00 g of carbon reacts with SO2 to produce CS2 and CO according to the following reaction? 5 C (s) + 2 SO2 (g) ? CS2 (l) + 4 CO (g) ?H° = 239.9 kJ
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