Please help! Due tonight! Determine the reaction rate, with respect to nitrogen, for the reaction: N2(g) + 3H2(g) → 2NH3(g), between 10s and 50s, based on the following table:

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

In 2002, the rare earth elements mine in mountain pass, california was closed because