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The atmospheric lapse rate on a particular day is constant in the lower part of the atmosphere. At ground level, the pressure is 1020 mBar and the temperature is 15°C. At a height z1 the pressure and temperature are 975 mBar and 11.5 °C. Determine the atmospheric temperature gradient, and the height z1.
1-Complete the following reaction: Pb-210 decays by emission to form what new necleus? Write the complete nuclear equation.
calculate the mass, in grams, at 25 degrees celcius of 30.0mL of propylene glycol, which has a density of 1.036g/mL
Problem- If the atmosphere is adiabatic at what height (in km, expressed to 1 decimal place) would the temperature be 0 Kelvin, if the temperature at ground level is 15 Celsius
when chemists are preparing dilute acid solutions in water they follow the proverb always add acid explain why this is
Problem- Using the Born- Haber cycle and data from Appendix IIB to calculate the lattice energy of KCl (Delta H sub for potassium is 89.0 KJ/mol)
Write an equation for a reaction of Fe2O3 (s) and C(s) to give Fe(s) ad CO(g). How does delta G vary with temperature? Is there a temperature at which the reaction is spontaneous
If aqueous solutions of Na2SO4 and BaCl2 are mixed, a white precipitate forms. What is the identity of the precipitate
find the value of pressure.1. a gas in a sealed container has a pressure of 111 kpa at a temperature of 50.0degc. if
What is the balanced molecular equation for the reaction between (Pb(NO3)2 and K2CrO4). Complete ionic and net ionic equations
When a 3.03x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
Which of the following enzymes is used in both glycolysis and gluconeogenesis? A. hexokinase B. pyruvate carboxylase C. malate dehydrogenase D. triose phosphate isomerase E. isocitrate dehydrogenase
The answer gives you a fraction of the amount of organic compound extracted into solvent B, ether. How much material (in mg) is left in the water layer? Discuss which extraction method is preferable; one or two extractions?
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