Nwhich city did the united states first drop the atomic bomb?
a. moscow
b. hiroshima
c. nagasaki
d. auschwitz

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

Which states of matter have particles that move independently of one another with very little attraction?

What is the name of the enzyme that forms at the start of transcription?