The allegheny and monongahela rivers meet at pittsburgh to form the mighty ohio river. the allegheny, flowing through forests and small towns, runs at an average flow of 340 cubic feet per second (cfs) and has a low solid concentration of 130 mg/l. the monongahela, on the other hand, flows at 460 cubic feet per second (cfs) through old steel towns and farms, carrying a solids concentration of 500 mg/l. conduct a non-reactive mass balance to determine: a. what is the average flow (in cfs) in the ohio river? (10 points) b. what is the solids concentration (in mg/l) in the ohio river? (10 points) your solution must show the system around which mass balance is conducted, the system boundary, the mass balance equations and all assumptions made. show all work clearly.

Will you chech and finish these for me, because i am stumped with them.

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

1. how much energy is needed to raise the temperature of 40.0 g of argon from 25c to 40c? the specific heat capacity of argon is 0.520 j/(g·k) 2a. 23.0 ml of 0.100 m hcl (standard) are added from a buret to neutralize 50.0 ml of an unknown basic solution. 2b. if the oh- produced in the previous reaction came from ca(oh)2, then what is the molarity of the ca(oh)2? 3.calculate the new freezing-point of a solution when 60.5 grams of cacl2 solute is dissolved in 0.612 kg of water. 4. what is the maximum number of moles of alcl3 that can be produced from 5.0 mol al and 6.0 mol cl2? 5. a sample of oxygen gas has a volume of 150 ml when its pressure is 0.923 atm. if the pressure is increased to 0.987 atm and the temperature remains constant, what will the new volume be? 6. nitrogen gas in a closed container at a temperature of 100.0 oc and 3.0 atm is heated to 300 oc. what is the pressure of the gas at the higher temperature?