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Suppose 1.01g of FeCl3 is placed in a 10.0ml volumetric glass, water is added, the mixture is shaken to disolve the solid and then water is added to the calibration mark of the flask. Calculate the molarity of of each ion present in the solution.
Please walk me through the steps I'm trying to help my daughter with her chem. homework and I don't know any chem.
how much energy is released when 89 grams of water vapor (steam) is cooled from 503 K to 354 K?
2000°C the equilibrium constant for the reaction is Kc = 2.4 103. 2 NO(g) N2(g) + O2(g) If the initial concentration of NO is 0.150 M, what are the equilibrium concentrations of NO, N2, and O2.
A balloon containing 34.5 L of a gas at room temperature (25.0 oC) is heated to 73.5 oC. What is the volume of the balloon at this new temperature?
Calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.0 electron volts.
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 30 mL, a dilute solution is formed. What is the Br- concentration in 15 mL of the dilute solution?
If 10 g of C react with 115 g of O2 according to the equation C + O2 → CO2, how many g of O2 will remain unreacted?
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 268 kJ of heat?
A sample of gas has an initial volume of 3.0 L at a pressure of 747 mmHg,If the volume of the gas is increased to 3.4 L , what will the pressure be?
what is the temperature of the air inside of the tire when the pressure increases to 29 psi? Assume tire volume is constant.
If a sample of Al2(SO4)3 is found to contain 863 mol of Al3+ ions how many moles of Al2(SO4)3 formula units are present?
How much energy would be required to melt 26 g of HCl at its melting point of -110.8 ?C?
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