How many moles of N are in 0.247 g of N2O

Which element is the least metallic between cadmium, silver, zinc, or iron?

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

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.