Question

a motorboat goes downstream on a river and covers a certain distance between two towns in 6 hours. it covers this distance upstream in 8 hours. if the speed of the stream is 2 km/h. find the distance between the two towns.



show calculation.​

Answer 1

Answer:

1000cm3

of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of such a

solution at 300K is found to be 2.57 x 10-3 bar. Calculate the molar mass of the protein. (R = 0.083 L

bar/K/mol).

Step-by-step explanation:

1000cm3

of an aqueous solution of a protein contains 1.26 g of the protein. The osmotic pressure of such a

solution at 300K is found to be 2.57 x 10-3 bar. Calculate the molar mass of the protein. (R = 0.083 L

bar/K/mol).

Answer 2

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