How much energy is absorbed by 37,500g of water if its temperature changes 24ºC to 88ºC?

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)

Find the midpoint of a segment with endpoints of 4-3i and -2+7i