Which of these best defines climate?
atmospheric condition at one place and time
day-to-day condition of the atmosphere
long-term condition of the atmosphere
current atmospheric condition

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver