Mathematics

Mathematics, 29.06.2019 18:30, sleepyflower10

Estimate the solution 7,390.7-0.874

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Chemistry, 26.07.2019 21:10, chops85

By absorbing hcl (g) in water, an 8 mol/l hydrochloric acid solution [sg = 1.12, cp = 2.76 j/(g solution °c) is produced. liquid water enters the absorber at 25°c and gaseous hcl is fed at 20°c and 790 torr (absolute) pressure. assume that all the hcl fed to the absorber is absorbed by water. take 1 l of product solution as the basis for your calculation. a) estimate the volume (in l) of hcl that must be fed to the absorber. (7 points) b) estimate the heat (in kj) that must be transferred from the absorber, if the product solution has a temperature of 40°c. (13 points) c) estimate the final solution temperature, if the absorber operates adiabatically.

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Mathematics, 25.08.2019 15:30, kingbot350

Estimate the solution of the system (x+y=4. 2x-y=6) by sketching a graph of each linear function.then solve the system algebraically.use your estimate to judge the reasonableness of your solution. the estimated solution is the algebraic solution the solution is/is not reasonable because ( me i'm confused)

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Chemistry, 24.10.2019 01:30, jamalchris4166

Suppose you prepare a solution that is 30 wt% h2so4 in water and intend to confirm the concentration by comparing the specific gravity (sg) to a value obtained from the literature. you slowly added 30 g h2so4 to 70 g h2o and allowed the resulting mixture to equilibrate at 20oc. i). estimate the volumes of h2o and acid that were blended and estimate the density of the 30 wt% acid solution assuming volume additivity. ii). if the handbook sg value of the 30 wt% acid is given as 1.2185, estimate the volume of 30 wt% acid prepared as above. iii). what volume of 40 wt% acid (sg = 1.2991) must be added to 100 g of the 30 wt% solution to produce a solution that is 35 wt% h2so4?

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