- How do you calculate the speed of sound in different temperatures?

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Whats y^4 -y^3+2y^2+y-1 divide y^3+1? If 481 mL N2 was collected over water at 26.0 degrees Celsius and 745 torr, how many moles of N2 are present in this sample? Please help!? Calculate the cell potential of a solaution of HNO2(0.2M)and NO3^-(0.1M)atph=3givenEo=0.94V? A rectangular field is five times as long as it is wide. If the perimeter of the field is 360 yards, what are the field's dimensions? Matriz freemat?