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Question: Explain how the mass of a single atom in an element (jn amu), the mass of one mole of atoms of that element, and Avogadro's number are related.
What are the electron configurations of the following metal ions: Fe3+, Zr4+ and Co3+?. Draw a) the high-spin electron configuration for a complex containing Fe2+ and b) the low- spin electron configuration for a complex containing Fe2+. Assume an..
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
you are going to complete several meteorological tests using a large weather balloon. you wish to check the temperature
How much work is done in kilojoules as a result of the reaction shown. 2.5 atm with a volume of 2L --> 2.5 atm with a volume of 3L
How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? b)How many grams of NaOH are needed to produce 88 kJ of heat? Please explain the steps to get the answer
Molten magnesium chloride is prepared as a working fluid for a solar power tower process in a smelting tank operating at 1000 °C. Solid MgCl2 rocks are pre-heated to 714° C and fed into the tank at a rate of 0.5 metric tons/hr. At the top of the t..
A sample of 5.0mol CO2(g) is originally confined in 15dm^3 at 280 K and undergoes adiabatic expansion against a constant pressure of 78.5 kPa until the volume has increased by a factor of 3.0.Calculate q,w,delta T,delta U,and delta H
when 10.0 g of potassium bromide dissolve in 50.0 g of water in a coffee-cup calorimeter the temperature drops from
What is the de Broglie wavelength (in meters) of a baseball weighing 145 {g} and traveling at 159 km/h?
Consider the combustion reaction: CH4(g) + O2(g)= CO2(g) + H2O(l) is this an exothermic reaction. If 100g of CH4 is burned, calculate the heat exchange (balance the equation).
Potassium hydrogen phthalate, has a molecular mass of 204.2 g/mole. How many moles of potassium hydrogen phthalate are in a 0.500 gram sample?
What is the molarity of NaCl in Sea water if sea water is 15.0% (m/m) and the density of sea water is 1.18 g/mL
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