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A system is expanded against an external pressure of 2 atm, changing its volume from 10 to 35 L and absorbing 765 J as heat from the surroundings. Compute the change of internal energy of the system.
Ozonolysis from unknown compound, A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C.
How many Valence electrons, bonding electrons, and lone pair electrons are present
Calculate the pressure exerted in the closed end of an apparatus. If the atmospheric pressure 720 torr and the height of the water column is 22.3cm.
Provide a structure for the following compound
A rolled oat's piece has a thickness =1.2 mm. The density= 600 kg/m3, specific heat capacity=2200 J/kgK and thermal conductivity= 0.4 W/mK,The product is to be baked from twenty degree celsius.
A CONTAINER HOLDS 7.62L OF N2O(g) at 4.06atm in equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq).
What is the fate of acetyl CoA in the mitochondria in the presence of the following? (a) high ADP levels? (b) high NADH/NAD+ ratio? (c) low levels of oxaloacetate
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
Using structural formula, how would you write the chemical reaction which explains how the product of the acidification reaction reacts with OH-. How would this explain the changes in solubility?
Determine the molar mass of the substance if 120.0 grams of a pure sample contained 24.0 mol of the substance. Express your answer in g/mol.?
A solution of I2 was standardized with ascorbic acid. Using a 0.1000-g sample of pure ascorbic acid, 23.52 mL of I2 were required to reach the starch end point.
A cube of a gold with a volume of 59 cm3 has a mass of 980 g. The density of pure gold is 19.3 g/cm3. What is the percent error of the measured density?
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