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Two streams flow into 500 gallon tank. The first stream contains 10 wt% ethanol and 90 wt% hexane ( density =0.68 g/cc) while the second stream contains 90 wt% ethanol and 10 wt% hexane ( (density= 0.780 g/cc). The tank gets filled in 22 min. After the tank gets filled in the sample analysis suggests 60 wt% ethanol and 40 wt% hexane.
1. Carry out degree of freedom analysis.
2. Perform the calculations of mixed stream density and flow rate of each stream.
If 0.208g of an unknown salt of oxalate ion requires 25mL of 0.02 M MnO4^- solution, calculate the molar mass and write the molecular formula of the unknown ( oxalare is the anion, what is the cation).
The flashlight in the photo does not use batteries. Instead, you move a lever, which turns a geared mechanism and finally results in light from the bulb. What type of energy is used to move the lever? What type or types of energy are produced?
A) aqueous naoh and ch3ch2co2h B) aqeous naoh and c6h5so3h c) ch3ch2Li in hexane and ethyne d) ch3ch2Li in hexane and ethyl alcohol
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 2Na(s)+Br2(g)->2NaBr(s) 1. 2mol Na, 2mol Br2 Express your answer as a chemical formula.
Calculate the molar mass of the acid. Calculate the second dissociation constant for the acid, Ka2.
2 n2o5g rarr 4 no2g o2gif the rate of disappearance of n2o5 is equal to 1.80 molmin at a particular moment what is the
Biphenyl is commonly obtained as an impurity during the synthesis of Grignard synthesis of benzoic acid from bromobenzene. How would you detect the presence of biphenyl in your product with a TLC experiment
what is the density of a sample of ammonia gas if the pressure is 705 mmHg and the temperature is 63.0 degrees C
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
What mass (in grams) of O2 is contained in a 555 mL volume at a pressure of 760.0 torr, and at a temperature of 400.0 K?
Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4
For every mole of glucose the body consumes, 38moles of ATP are formed. What percent of energy is released as heat when the body breaks down glucose to carbon dioxide and water
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