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Geophysical conditions are sometimes therefore extreme that quantities neglected in normal laboratory experiments assume overriding importance. For instance, consider the formation of diamond under geophysically typical pressures. The densities of the two allotropes are 2.27g/cm3 (graphite) and 3.52 g/cm3 (diamond) at the temperature of the environment. Explain By how much does U for the transition differ from H in a region where the pressure is 500 kbar?
Write a net ionic equation to explain why the pH didn't go up to about 10, as it would have if that amount of NaOH were added to distilled water or to 20mL 0.00040 M HCl, which also would have a pH of 3.40
How many moles of KHP were weighed out? How many moles of NaOH were required to neutralize the KHP that was weighed out?
What is the hybridization of the nitrogen atom in sulfathiazole? Assuming that the sulfur atom is sp2-hybridized, how many -electrons are there in the sulfathiazole ring?
ethylene oxideeo is prepared by the vapor-phase oxidation ofethylene. its main uses are in the preparation of the
Calculate the work (in kJ) when 2.60 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K: 2Na(s) + 2H2O(l) ? 2NaOH(aq) + H2(g)
what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen , 7.49 mol of nitrogen and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
If 0.0050 moles of Hydrogen(g) and Iodine(g) are placed in a 5.00 L flask, the [HI] at equilibrium. Calculate the Kc. Hydrogen(g) + Iodine(g) 2HI(g)
Based on formal charges, which statement about the best Lewis structure of a molecule composed of one atom each of N, S, and Cl is correct
How is the equilibrium yield of C6H12O6 affected by each of the following? 6 CO2(g) + 6 H2O(l) + HEAT C6H12O6(s) + 6 O2(g) (a) increasing PCO2 increases decreases no effect
Explain what is the total weight of the cargo ship (in kg) with its present load? Utilizing the formula for the volume of a cube, explain what is the ships overall density (in g/mL)
Silicon, which occurs in nature as , is the material from which most computer chips are made. If is heated until it melts into a liquid, it reacts with solid carbon to form liquid silicon and carbon monoxide gas.
What is the partial pressure of each substance if the total pressure of the mixture is 2.35 atm?
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