Explain why hexane will dissolve benzene but will not dissolve sodium chloride.

During a chemical reaction, energy is converted from one form to another increases decreases is used up as bonds are broken and formed

Do the number of atoms you start with affect the outcome of half life

A walkman uses a current of 2.0 A and has an internal resistance of 3.0 Ω, how many 1.5V batteries are required?

Which of the following can happen during a chemical change? A. atoms change into new types of atoms. B. bonds break, and new bonds form. C. nuclei of atoms break apart and combine D. All of the electrons in the atom are lost

How do structures stand up under a load

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?

True or false everything has the same amount of energy?