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The isothermal compressibility of lead is 2.21E-6 atm-1. Express this value in Pa-1. A cube of lead of side 10 cm at 25C is to be inserted in the keel of an underwater exploration TV camera, and its designer needs to know the stresses in the equipment. Calculate the change of volume of the cube at a depth of 1.000 km (disregarding the effects of temperature). Take the mean density of sea water as 1.03 g/cm3. Given that the expansion coefficient of lead is 8.61E-5 K-1 and that the temperature where the camera operates is -5C, calculate the volume of the block taking the temperature into account too.
Write a balanced chemical equation for the reaction of chlorine with thiosulfate ion, assuming an acidic solution.
A 155 mL sample of rainwater is titrated using 0.0095 M NaOH solution. If 4.8 mL of the NaOH solution was required to reach the endpoint, what was the pH of the rainwater?
what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
How many moles of urea (60. g/mol) must be dissolved in 100 g of water to give a 2.5 molal solution?
If a sample of barium contains 2.3 x 1023 atoms of barium, how many grams of barium are in the sample?
Why E2 is favored over SN2, Sn2 requires a strong nucleophile while E2 requires a strong base. But relatively compared if you have a very strong base the E2 is preferred. Why is it so?
A 62g piece of ice at 0 degrees C is added to a sample of water at 6 degrees C. All of the ice melts and the temp of water decreases to 0 degrees C. How many grams of water were in the sample?
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
what is the solubility of O2 at an elevation of 12,000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25°C
Stoichiometry explained in this solution, If the yield of CO2 (g) from the reaction of butane with hydrogen peroxide is only 80.65%, with how many grams of butane and hydrogen peroxide
adding the two portions of water into your calorimeter the temperature of the mixed portions of water to be 45 oC. determine the heat capacity of the calorimeter?
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