3.A temperatura é um fator que pode alterar a velocidade das reações químicas? A) sim
B) sempre
C) não
D) nunca

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

Which statement can best be concluded from the ideal gas law?

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?