Is saltwater a mixture or solution. Why?

Compare and contrast melting and sublimation. Can all materials sublime?

What is the correct way to write 0.0000250 m in scientific notation?

When measuring Potassium with an ion-selective electrode by means of a liquid ion-exchange membrane, what antibiotic will be incorporated into the membrane?

The reaction of Phosphorus with Chlorine yields PCL5. What mass of CL I'd needed to react completely with 0.567g Phosphorus?

True or False Gravitational and electromagnetic forces are both too weak to be able to overcome the electrostatic force of proton - proton repulsion in the nuclei of atoms.

What genetic engineering issue is of greatest public concern? A. It may create new varieties of food. B. It may create new medicine. C. It may create new opportunities for research. D. It may create new allergies in humans

Diamonds are more expensive than water because a. markets do not always reflect value. b. they have fewer uses. c. they yield higher marginal utility. d. they yield higher total utility. e. all of the above

Which of these events is caused by contact forces?

What happens when hydrochloric acid is added to pure water?

1. Water is an amphoteric substance. In any sample of water some of the moles In any sample of water some of the molecules perform acid- base reactions with each other. This is called the autoionization of water.