Which substance is an element? A. Methane (CH4) B. Baking Soda aka Sodium Bicarbonate (NaHCO3) C. Einsteinium (Es) D. Bleach aka Sodium Hypochlorite (NaClO)

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?