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Arrange the subsequent substances according to their expected lattice energies, listing them from highest lattice energy to the lowest- MgS, KI, GaN, LiBr
The radius of the Earth is approximately 6370 km. if one could dig down straight towards the center of the Earth, one would find that the innermost 3480 km (the core) has an average density of about 11.g/cm^3.
as a system increases in volume it absorbs 52.5 j of energy in the form of heat from the surroundings. the piston is
Compute the activation energy for the flashing process. When At 29 o C the average rate is 3.3 flashes every 10 seconds; at 23 degree Celsius the average rate
What is the temperature change of the water if the downstream diameter is 3.8 cm? If it is 7.5 cm? What is the maximum temperature change for an enlargement in the pipe?
The type of nuclear reaction shown below is which can be recognized by the fact that it has 2 reactant and 2 products
what mass of sucrose c12h22o11 must be mixed with 543 grams of h2o to make a solution with an osmotic pressure 8.00 atm
Which ions are soluble in acidified sulfide solution but separate as insoluble sulfides in basic solution. Which cations separate as their hydroxides in basic sulfide solution.
The decomposition of N2O to N2 and O2 is a first- order reaction. At 730°C the half-life of the reaction is 3.58 3 103 min. If the initial pressure of N2O is 2.10 atm at 730°C, calculate the total gas pressure after one half-life.
question 1 on a potential energy diagram the activation energy is greatest under which of the following conditions?the
Upon digestion and analysis of DNA sample from animal tissue, there are almost always equal amounts of purines and pyrimidines. Explain why this is so.
If a 1.00g sample of a carbon-containing compound is burned in air, 0.75g of CO2(the only carbon-containing product) is produced. What is the mass carbon in the compound
How many equivalent resonance forms can be drawn for SO2 without expanding the octet on the sulfur atom? (A) 0 (B) 1 (C) 2 (D) 3 (E) 4 17. In which of these species does the first atom in the chemical formula violate the octet rule? 18. How many e..
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