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At the Earth's orbital distance, the intensity of the solar radiation is approximately 1400 W/m 2. What is the value for the intensity at Mercury's orbital distance, which is 38.7% the distance to the sun that the Earth is.
The temperature dependence of the reaction rate constant is given by the equation: k = Ae^-Ea/RT. Find Ln k
During an experiment, a student adds 1.05 g of calcium metal to 200.0 mL of 0.75 M HCl. The student observes a temperature increase of 17.0 °C for the solution
Consider three different compounds of the hypothetical element X using the table of bond lenghts as a reference, rank the three compounds shown below in order of increasing
The gas is allowed to expand against a constant external pressure of 1 bar until it reaches mechanical equilibrium. What is the final temperature of the system. How much work was obtained.
what is the vapor pressure of a 45.0 solution of glucosec6h12o6 at 90oc giventhat the vapor pressure of pure water at
Stearic acid is made by hydrolyzing fat from cattle. The fat, tallow, is predominately glycerin tristearate (formula C57 H110 O6 molecular weight 891.4g/mol)
Write a series of balanced equations for all the reactions of the catabolism of glucose into 2 molecules of glyceraldehyde-3-phosphate (preparatory phase of glycolysis) and combine the net equation to give the oveall net equation for the preparato..
According to the VSPER theory, what should be the shape around each carbon atom? What shape is associated with this bond angle?
A student carried out a recrystallization and obtained a 105% yield of material with a broad melting point. The material was warmed gently resulting in a recalculated yield of 87% and a sharper melting point. Briefly explain these observations.
Density is an easy way to distinguish between gold (density: approx. 19 g/cm3), fool's gold (density: approx. 4.5 g/cm3), and sand (density: approx. 2.5 g/cm3). If a large golden rock has a mass of 252 g and a volume of 56 cm3, which type of miner..
liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . suppose 7.8 g of
Question- Calculate the freezing point and boiling point of a solution containing 7.60g of ethylene glycol (C2H6O2) in 95.0mL of ethanol. Ethanol has a density of 0.789 g/cm3.
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