How much energy is required to vaporize 1.5 kg of copper? (Refer to table of latent heat values.)
A. 3153 kJ
B. 311 kJ
C. 2580 kJ
D. 7095 kJ

The number at the end of an isotope’s name is the number.

Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol

Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.