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Calculate the mass of iodine that will react completely with 40.0 g of aluminum (Al) to form aluminum iodid (AH3)
How many photons per second are striking the photocell? B. How much energy is mJ/s (millijoules per second) is the photocell absorbing?
hydrogen and 6.8 * 10^-4 mol of oxygen. How much water can be produced if the gases react?
A second assay was performed by making a derivative, ammonium phospho-molybdate, which has visible absorption peak at ~ 400nm. From the Beer's Law plot, estimate the concentration of the unknown solution
From your current perspective, what do you think the greatest threat is to human health resulting from pollution? Why do you think so?
How does the Hammond postulate explain: a. the greater selectivity for bromination vs. chlorination of an alkane? b. the fact that the relative reactivity of C-H bonds of an alkane for free radical chain halogenation is 1º>2º>3º
discribe how to prepare this solutions show all work and calcualtion? a) 50mL of asolution containing 0.15M malonic acid [CH2(COOH)2 plus 0.02 manganese sulfate [ MnSO4] b) 100 mL of 0.08M sulfuric acid
When taking a boiling point of a compound, why is the micro boiling point determined at the point when the last bubble has left the bottom of the bell and the liquid begins to rise in the bell
In a laboratory synthesis , a student begins with 5.00ml of acetic anhydride (density = 1.08 g / mL) and 2.08 of salicylic acid. Once the reaction is complete, the student collects 2.01 g of aspirin . Determine the limiting reactant , theoretical ..
Write the chemical equation for all the reactions both SN1 and SN2 involving primary and secondary substrates b) Rank the primary halide in order of increasing reactivity toward SN2
Solar furnaces are designed to focus sunlight (say, with a parabolic mirror ) onto a relatively small area. given that the surface temperature of the sun is about 600K.
Determine the fraction of the energy radiated by the sun in the visible region of the spectrum (350 nm to 700 nm). (Assume the sun's surface temperature is 5800 K.)
An insulated piston is compressing a perfect gas, suddenly the piston stops compressing the gas since there is no heat exchange to external environment, will the piston compress, expand, or stay the same and why?
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