A bead has a mass of 15 g. You place it in a graduated cylinder that

has 20 mL of water. After placing the bead in, the water level is now

30 ml. What is the density of the bead?

Malia was able to make a paper lip float on the surface of water. What will most likely happen to the paperclip if a drop of dishwashing detergent is added near it?

How does chemical change affect the composition of matter

If the ka of a monoprotic weak acid is 1.0 * 10-6, what is the ph of a 0.50 m solution of this acid?

Which process can you blame if you burn your finger on a metal utensil sitting in a pot of extremely hot water

A drop of liquid tends to have a spherical shape due to the property of 1. viscosity. 2. capillary action. 3. surface tension. 4. vapor pressure. 5. close packing.

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?