A A copper can together with a stirrer of total heat capacity 60 J°C-? contains 200g of water at 10°C. Dry steam at 100°C is passed into it, whilst reaches a temperature of 30°C. Calculate the mass of steam condensed. [Cw = 4.2 x 103J/kg/K Lv = 2.26 X 10⁶J/Kg]

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

How would a small bar magnet be oriented when placed at position x?

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?