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Magnesium reacts with chlorine gas to produce magnesium chloride. How many moles of Mg will react with 2.6 moles of Cl2
Over what (approximate) wavelength range is the emission of light from excited sodium atoms most sensitive to the eye
A solution containing 3.47mM X (analyte) and 1.72 mM S (standard) gave peak areas of 3473 and 10222, respectively, in a chromatographic analysis. Then 1.00ml of 8.47mM S was added to 5.00ml of unknown X, and the mixture was diluted to 10.0ml. This..
if the benzophenone used to prepare triphenylmethanolfrom a reaction of benzophenone and phenylmagnesium bromide is wet
A bacterial culture isolated from sewage produced 35.5mL of methane, CH4 at 31degrees Celcius and 753 mmHg. What's the volume of this methane at standard temp. and pressure(0 degrees C and 760 mmHg)
The specific heat of ethanol is 2.44j/g times degrees celcius. How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0 degrees celcius to 68.0?
How many grams of ammonia are produced if 7.85 L of ammonia is collected at -15 degrees Celsius and 5.93 atm pressure.
How will the melting point of your semicarbazone derivative be affected if the derivative is not dry enough
The two electrodes Cr/Cr+3 and Sn/Sn+2 are combined to afford a spontaneous electrochemical reaction. The standard reduction potentials (volts) for Cr+3 and Sn+2 are -0.74 and -0.14, respectively. Calculate E° for this reaction.
Aluminum has a specific heat of 0.902J/gxC. how much heat is lost when a pieve of aluminum with a mass of 23.984 g cools from a temperature of 415.0 C to a temperature of 22.0 C
what is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
Consider a collection of molecules where each molecule has two nondegenerate energy levels that are separated by 6000 cm-1. Measurement of the level populations demonstrates that there are 8 times more molecules in the ground state than in the upp..
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