An acid can be defined as

a. a proton acceptor.

b. a proton donor.

c. neither a proton donor nor a proton acceptor.

d. both a proton donor and a proton acceptor.

What is the difference between neon and carbon

What are solids at room temperature and conduct electricity and heat?

A mixture consists of sand and an aqueous salt solution. Which procedure can be used to separate the sand, salt, and water from each other? (1) Evaporate the water, then filter out the salt. (2) Evaporate the water, then filter out the sand.

A solute will probably dissolve best in a a. hot solvent c. room temperature solvent b. cold solvent d. temperature does not affect solubility

Two liquids are known to be miscible. They are placed in a beaker and shaken. Which of the following describes what will happen? The liquids will eventually separate into two layers. The liquids form a solution.

The combining of hydrogen and oxygen gas into liquid water is an example of what kind of change? A. Phase B. Chemical C. Physical

Explain evaporation. have a chapter test tommarow!

When the system is at equilibrium, it contains NO 2 at a pressure of 0.817 atm, and N 2 O 4 at a pressure of 0.0667 atm. The volume of the container is then reduced to half its original volume.

Which statement best describes the role of the sun in creating wind? Question 2 options: The rays of the sun push the air in all directions, creating wind The radiation of the sun reacts with water over the ocean The energy of the sun heats the land

Write the formula for a complex formed between zn2 and nh3, with a coordination number of 3.