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Suppose that you measure exactly 43.5 mL of cool water at 22.0 C and place it into a calorimeter. Then you add 21.0 mL of warm water (initial temperature of 37.0 C) to the calorimeter. The final temperature of the entire system is 25.5 C. Compute the heat capacity of the calorimeter in J/K assuming that no heat leaks or out of the calorimeter.
What reagent could be used to reduce both the nitro and ketone functional groups in a single reaction?
Suggest a mechanism for the hydrolysis of n-butyl bromide to n-butanol. Include the elementary steps and indicate the rate determing step
Sketch a cube. How many vertices does it have? How many edges? How many faces? Mark four vertices of the cube that are also vertices of a regular tetrahedron.
a 1L flask contained 2g N2, 0.4g H2 and 9g O2 at 27c. what is the total pressure in the flask?
You have 250.0 mL of 4.00 M sugar solution. You add 319.7 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
A graduated cylinder contains 110. mL of water. A 10.0 g piece of iron (density = 7.86 g/cm3) and a 18.9 g piece of lead (density = 11.3 g/cm3) are added. What is the new water level in the cylinder?
Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.
Calculate the molarity of an NH3 solution made up of 37.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL
Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..
What if you were designing an engine for a SUV that produced 2.40 × 102 L/s of exhaust with a CO content of 1.9 mg CO per 1L of exhaust? What volume of catalytic matrix would you need to reduce the CO emission in this automobile?
water consistent with this oversimplified approach? Explain your answer ( note that there is a threshold temperature below which this approach will have a significant error)
A chemist wants to make 6.5L of a 0.310M CaCl2 solution.What mass of CaCl2 (in g) should the chemist use?
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