Natural gas, which is essentially methane, needs to be delivered to a redistributing station at a rate of 2.0 kmols/s and a pressure of 170 kpa. the pumping station is situated 160 km away and the pressure at the inlet to the line is 680 kpa. assuming the flow is isothermal at 22 °c and firiction factor is equal to 0.0027, determine the diameter of the pipe required. 1.003 m

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?