Below is a chemical equation. Which of the following are identified by the red arrows?
2 H2 + 02 → 2 H20
atomic numbers
coefficients
products
subscripts

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

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)