What type of solid contains particles that are jumbled and form no particular pattern?
A. Crystalline
B. High-pressure
C. High-viscosity
D. Amorphous

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

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

How have the greenhouse gasses increased from the year 2000 to 2018