The distance from the earth to the sun is 1.496 x 108 km. Suppose that the atoms in 1.000 mol were enlarged into spheres 1.000 cm in diameter. If these spheres were arranged in a line touching one another, would they reach to the sun?

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these