A sheet of gold weighing 10.0 g and a temperature of 18 deg C is placed flat on a iron sheet weighing 20.0 g and at a temperature of 55.6 deg C. What is the final temperature the combined metals? Assume no heat is lost to the surroundings. Specific heat for gold and iron are 0.129 and 0.444 J/g C

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.