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Explain how many grams of H2O(g) are formed when 4.48 g of C7H12O2 is completely burned in in an oxygen atmosphere? mass of H2O (g)=
given the following equation 2c4h1013o28co210h2owhat mass of water forms if 6.5 l of c4h10g 0.500 g of n2g and 0.410 g
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.800 M solution of ammonia,NH3 , to prepare a buffer solution that has a pH
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [PCl5]eq = 0.56 M, [PCl3]eq = 0.23 M, [Cl2]eq = 4.4 M. PCl5(g) PCl3(g) + Cl2(g)
a 150.0-g sample of metal at 80.0degc is added to 150.0 g of h2o at 20.0degc. the temperature rises to23.3degc.
you have 1005.3 g of a bleach solution. the percent by mass of the solute sodium hypochlorite naocl is 3.62. how many
Which aqueous solution will have the highest total number of moles of ions in the solution. The answer is 100mL 3M calcium nitrate. Why is it not 100mL 4M glucose (C6H12O6), 100mL 1M aluminum fluoride, or 100 mL 2M calcium sulfide
Use the particle-in-a-one-dimensional-box model to calculate the longest-wavelength peak in the electronic absorption spectrum
Write the net ionic equation for the precipitation of chromium(III) hydroxide from aqueous solution
In many cases, patients require medication to be infused on a continual base. Paramedics will receive orders to administer a certain number of units (usually milligrams or micrograms) of a medication per minute to a patient through an IV. Known as..
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