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A 4.80 g nugget of pure gold absorbed 298 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
The net reaction is C6H1206(s) -> 2 C2H50H(l) + 2 C02(g) Calculate the mass of glucose required to produce 1.00 L of CO2 measured at P = 1.00 atm and T = 300. K.
Write an equation for this reaction? which species acts as the nucleophile? Which species acts as the electrophile?
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
using the hendersoon hasselbach equation calculate the pH of a solution made by adding 50.0mL of 1.00M sodium acetate to 50.0mL
what will the concentration of all the reactants and products be when the reaction reaches equilibrium at 527 degrees C?
A 43.0 g sample of Fe metal at 90.0°C is placed into 150.0 mL of water at 22.5 °C. After equilibrium is reached the final temperature of the system is 24.5°C. What is the specific heat capacity of the metal
D-xylose residues are present in the greatest amount and are attached by ß (1->4) glycosidic bonds. Draw the structure of a disaccharide consisting of D-xylose
What is the millimolar solubility of oxygen gas, in water at 16 , if the pressure of oxygen is 1.00 ?
The elemental mass percent composition of malonic acid is 34.63% C, 3.87% H, and 61.50% O. Determine the empirical formula of malonic acid. Express your answer as a chemical formula.
The reaction 2A ---> B + C has a Kc of 0.2. The reaction is commenced with initial concentrations [A] = 0.2 M, [B] = 0.2 M and [C] = 0.2 M. In what direction does the reaction occur?
Write the complete molecular formula and then completes ionic equations. Then write the net ionic equation.
1.calculate the final pressure in atm while using a sample of helium gas that was initially at 785 torr 37.0degc and
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