The length of a room is two times its breadth and contains 490meter cube of air. If the cost of papering its four walls at Rs. 14 per meter square is Rs. 2940. Find the cost of carpeting its floor at rs. 4000 per meter square​

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.