Which one is not a sedimentery rock a.) sandstone b.) limestone c.) quartz d. (coal

which term best describes the form sound takes as it travels away from a drum (A - gas) (B-music) (C-waves) (D-particles

Which of the following would need resonance structures? SO2 CH4 O2 CO3-2

Calculate the volume in liters of a * 4.3910-5/moll mercury (ii) iodide solution that contains 500. mg of mercury (ii) iodide hgi2. round your answer to 3 significant digits.

Who was the first chemist to organize elements by atomic number?

What has more kinetic energy 10kg of bees flying at 10m/s or 10kg of birds flying at 10m/s? Why?

How many particles are in 1 mole of a substance?

Initially you dissolved all, or most, of the p-aminobenzoic acid in ethanol. then you slowly added sulfuric acid. as you did this, a large amount of white solid formed. during the course of the reaction, that white solid dissolved.

How do you know if a chemical reaction has occurred?

Why must a container or system be closed for equilibrium to be established?

What is the bond angle between the hydrogen atoms in an ammonia (NH₃) molecule?