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If you were to prepare a 1.00 solution of beginning with water at 21.5, what would the final temperature of the solution be (in )? Assume that the specific heats of both pure and the solution are the same, 4.18.
Calculate the amount of heat liberated (in kJ) from 405 g of mercury when it cools from 94.0°C to 14.0°C.
The component of structure responsible for holding the 4 chains of hemoglobin together is a. primary
Phosphorus pentachloride is used in the industrial preparation of organic phosphorus compounds. Equation 1 shows its preparation from PCl3 and Cl2. (1) PCl3(l) + Cl2(g) PCl5(s) Use equations 2 and 3 to calculate H°rxn of equation 1
How many grams of F2 are needed to produce 157 g of PF3 if the reaction has a 79.8% yield?
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
A feed mixture weighing 200 kg of unknown composition containing water, acetic acid, and isopropyl ether is contacted in a single stage with 280 kg of a mixture
what is the volume of 235 ml of a sample of gas at 53.0degc and 740. mm hg if the conditions are adjusted to stp?
A solution which is 0.10 m in NaCl(aq) has the same equilibrium vapor pressure as a solution which is 0.10 m CaCl2(aq)
Arrange the following aqueous solutions in order of increasing freezing point. 0.10m glucose, 0.10m BaCl2, 0.20m NaCl, and 0.20m Na2SO4
Suppose that the microwave radiation has a wavelength of 13.2 cm. How many photons are required to heat 200. mL of coffee from 23°C to 62°C?
the balanced net ionic equation for the reaction that takes place in aqueous solution between hydrogen peroxide and potassium iodide to make potassium hydroxide and molecular iodine.
If 10.2 g of ammonium carbamate is introduced into a 0.500 L container, what is the total pressure inside the container at equilibrium
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