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Explain why light intensity is dependent on the distance the detector is from the light source. Describe the mathematical relationship. Explain why all comparative measurments for this experiment should be made with the optical cable the same distance from the light sourc
triangle symbol h degree 2816kj 6co2g 6h2o l c6h12o6s 6o2 g how is the equilibrium yeld of c6h12o6 affected bya.
The drying oven, although thought to be set at 125°C, had an inside temperature of 84°C. How will this error affect the reported percent by mass of the limiting reactant in the salt mixture. too high, too low, or unaffected
1.285g sample of Na2SO4 is exposed to the atmosphere and found to gain 0.393g in mass. What is the percent, by mass, of Na2SO4*H2O in the resulting mixture of anhydrous Na2SO4 and the decahydrate
Write a blance equation with Cu, NaI, I2, and a drop of acetic acid to form CuO and CuCO3.Cu(OH)2.
Butane gas is copresses and used as liquid fuel in dispossble cigarette lighter and light weight camping stoves. Suppose a lighter contains 2.74ml of butane. d = 0.579g/ml a, How many gm of oxygen are needed to burn the butane completely
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 16.0 L
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. How many total moles of gases are produced from the decomposition of 1.00 mol C3H5(NO3)3?
Ethyl acetate can be prepared from ethanol as the only organic starting material.
question-if start with 9.3 gr of li how may grams of h2 can you make?nbspli h20 ----gt lioh h2if it starts with 3.4
What is the molar mass of the gas in a glass bulb with a volume of 2.50 L at a temperature of 22 degrees C and a pressure of 110 mm Hg. The gas weighed 505 mg.
there are two natuarlly occuring isotopes of rubidum. (85)Rb has a mass of84.9118 amu. (87)Rb has a mass of 86.9092 amu. Determine the abundance of each isotpe.
how could you use this information to design a crystallization procedure?
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