If 3 moles of a compound use 12 J of energy in a reaction, what is the (triangle symbol) Hreaction in KJ/mol?

A. -4 KJ/mol
B. -0.004 kJ/mol
C. 4 kJ/mol
D. 0.0004 kJ/mol

What’s the scientific notation for the number 6,840,000,000

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd a) 30 joules b) 3000 joules c) 320 joules d) 3200 joules