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What mass of K2CO3 is required to clean up a spill of 489 ml of 3.50 M HCl if HCl(aq) reacts with K2CO3 according to:
2HCl(aq) + K2CO3(aq) → 2KCl(aq) + CO2(g) + H2O(l)?
Although the double bond, in total, is stronger than a single bond, the pi bond itself is weaker and can react with electron-deficient species such as a hydrogen ion.
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
Calculate the heat capacity of an aluminium block that must absorb 629J of heat from its surroundings in order for its temperature
Calculating the Moles of Aspirin, The molecular formula for aspirin is HC9H7O4, Calculate the molecular weight for aspirin
when benzene c6h6 ofnbsp 780 g of molar mass 78 gmolnbspcombinesnbsp with 750 ml of concentrated nitric acid 16 m and
A 5.0 dm3 sample of oxygen at a pressure of 200kPa and 2.0dm3 sample of nitrogen at a pressure of 500kPa are introduced into a 2.5dm3 vessel.
Chemists studied the formation of phosgene by sealing 0.73 atm of carbon monoxide and 0.98 atm of chlorine in a reactor at a certain temperature. The pressure dropped smoothly to 1.32 atm as the system reached equilbrium.
Identify the cathode and anode and determine the standard cell potential for a voltaic cell composed of Co^2+/CO(2) and FE^3+/Fe(s).
How many grams of water are needed to react with 75.0 g CaCN2?
Consider the lewis structure for the polyatomic oxyanion shown below, where X is the element from the 3rd period (Na- Ar). By changing the overall charge
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
A 515- sample of unknown solution reacts completely with to form 20.1 . What was the concentration of the solution?
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