There are four cups of hot cocoa.
The cup sizes are shown. The
temperature of the cocoa in each
cup is 25 degrees celsius. Which cup
has the MOST thermal enerqu?

Which of these reactions are redox reactions? check all that apply.cd + hcl → cdcl2  + h2cucl2  + na2s → 2nacl + cuscaco3  → cao + co2          2zns + 3o2  → 2zno + 2so2          ch4  + 2o2  → co2  + 2h2o

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5