How many g of water are required to be mixed with 11.75 g of hgcl in order to make a 0.01 m solution? (refer to the periodic table for atomic weights.) 40 g 5,000 g 2 x 106 g 2 x 108 g

Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

How many moles of al3+ ions are in 1.25 moles of al2o3