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Titanium metal is used as a structural material in many high-tech applications, such as in jet engines. What is the specific heat of titanium in J/(g. oC) if it takes 89.7J to raise the temperature of a 33.0g block by 5.20 oC? What is the molar heat capacity of titanium in J/mol . 0C)?
At 25 degrees C, the standard enthalpy of formation of KCl(s) is -435.87 kJ/mol. When one moles of KCl(s) is formed by reacting potassium vapor and chlorine gas at 25 degrees C, the standard enthalpy of reaction is -525.86 kJ/mol.
a sample of ethanol c2h5oh has a mass of 43.8 g.a how many carbon atoms does the sample contain?b how many hydrogen
A 20.0 ml sample of 0.200 M K2CO3 solution is 30.0 ml of 0.400 M Ba(NO3)2 solution. Barium Carbonate precipitates. The Concentration of barium ions, Ba^2+, in solution after reaction is?
calculate the number of moles of KOH in 5.50 mL of a 0.360 M KOH solution.What is the pOH of the solution?
what is the rate that sulfur hexafluoride would effuse through a system that allows oxygen to effuse at 22.1mL/min
the same retention but different selectivity as what precentage of mixtures for acetonitrile/water and tetrahydrofuran/water?
The elements of group 1 (Li-Cs) are very electropositive because of A. they all have small atomic radii B. they all have high second ionisation energies C
Calculate the pH of a buffer solution obtained by dissolving 22.0 g of KH2PO4(s) and 40.0 g of Na2HPO4(s) in water and then diluting to 1.00 L
Calculate the energy released (per mole of deuterium consumed) for the following fusion reaction, 2/1 H + 3/1 H -> 4/2 He + 1/0 n given the following molar masses of nucleons and nuclei
Photosynthesis is estimated to produce 330.0 g (dry weight) of plant matter per square meter, 50% of which is carbon. Calculate the total number of grams of carbon "fixed" each year by 1000 square meters.
A 65 L sample of dry air cools from 133°C to -16°C while the pressure is maintained at 2.85 atm. What is the final volume?
What one reagent should re-energize the light solution after it has faded? Explain using moles and limiting reagents.
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