How do you convert 8.88g to Na2O to moles? (With workshown)

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3