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Calculate the energy change for the alternative reaction that yields chlorine sodide (Cl+Na-) . 2Na(s) +Cl2 (g) yeilds 2Cl+Na+(s) Assume that the lattice energy for Cl+Na- is the same as that for Na+Cl- The following data are needed: Eea for Na = -52.9 Eil for Cl = +1251 the heat of sublimation of Na is +107.3 kJ/mol the dissociaton energy of Cl2 is +122 kJ/mol for 1/2 Cl2 the lattice energy of Na+Cl- is 787 kj/mol.
A 2.42-L flask is filled with propane gas (C3H8), at 1.00 atm and -13.0°C. What is the mass of the propane in the flask.
Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H_2SO_4. What will be the concentration of H_2SO_4 in the battery after 2.40 A of current is drawn from the battery for 8.00 hours?
If 45.4g of H2O are produced in the reaction given below, the number of grams of magnesium carbonate used is.?
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2.
Determine what type of bond is expected for a compound formed between Magnesium and Oxygen Based on these values,?
Determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2% by weight of copper sulphate?
what mass of ammonium chloride can be added to 100 grams of water at 20 degrees celcius before the solution becomes saturated?
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
In photosynthesis, plants use energy from the sun in combination with carbon dioxide and water to form glucose (C6H12O6) and oxygen. If 4.50 moles of water react with carbon dioxide, what mass of glucose is produced?
What is the equilibrium constant for the following reaction CO(g) + 2 H2(g) ↔ CH3OH(l); [CO] = 0.788 M and [H2] = 0.872 M?
how do you calculate the number of equivalents of NaOH required to reach the equivalence point?
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
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