Cielo

1. The total length of a spring is 0.25 m. What it is unstretched and 0.30 m when a force of 17.82 N is applied to it. What will be the length when 26.72 N is applied to it? 2. A piller with a cross sectional area of 1.5 m^2 supports a portion of a buildi...

How much ethyl alcohol, C2H5OH must be added to 500mL of water so that the solution will freeze at -10C? KfH2O = 1.86 C/molal

What is the freezing point of a 10% (by mass) solution of CH3OH in water?

A solution of 10g of a nonvolatile compound in 25g of water boils at 100.78C at 1 atm. What is the molecular mass of the solute?

A steel cable of cross sectional area 2.5 cm^2 supports a 1000kg elevator. The elastic limit of the cable is 3 x 10^8 Pa. If the stress in the cable is not to exceed 20 percent of the elastic limit, then find the maximum upward acceleration of the elevato...