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A brewery has a grain silo with a 5.0 × 104 lbm capacity to store malted barley. A truck delivers 15800 lbm of malted barley to the grain silo. The malted barley is blown from the bottom of the truck at h1 = 1.60 ft to the top of the silo at h2 = 44.0 ft with a pump that can provide 3.50 kW of power. How long will it take to unload the whole truck into the silo
A solution is prepared by dissolving 179 g sucrose (C12H22O11) in enough water to produce 1.15 L solution. What is the molarity of this solution?
Find the molality of the solution. Find the molecular weight of the unknown compound please show steps
Calculate the heat required to convert 25.0 g of C2Cl3F3 from a liquid at 5.00 degress celsius to a gas at 82.00 degrees celsius.
Alkenes contain double bonds while alkynes contain triple bonds, Naming compounds containing double as well as triple bonds
The adjusted retention times were 10.4 min for hexane, 12.3 min for heptane, and 11.6 min for the unknown. Calculate the retention index for the unknown.
0.497ml sample of HClO4 has a pH of 0.2251. If 647ml of distilled water was added to the HClO4 solution, what would be the new pH of solution be
given that, for H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14.
B2H6 + 3O2= B2O3+3H2O ;DELTA H=-2035KJ how much heat is released when a mixture of 7.35 g B2H6 and 2.60 g O2 is burned?
The decomposition of SO2CL2 to SO2 and Cl2 is first order in SO2CL2 and has a half-life of 4.1 hours. If you begin with 1.6 x 10^-3 moles of SO2CL2 in a flask, how many hours elapse until 2.00x10^-4 moles remain?
The C^14 decay rate for the sample of glue was found to be 5.60d/min/g. What is the approximate age of the glue. Disintegration of C^14 is a first order process with a rate constant 1.209*10^-4 year^-1.
Explain how this system appears static but in fact is a dynamic equlibrium, Na+(aq) + Cl-(aq) --> NaCl(s), that is in constant motion though the mass of solid is constant.
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 25.5C, what is the final temperature of the solution in C?
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