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On a hot day, the temperature of land rises more quickly than that of the sea. Which of the following statements best explains why? 

Nitrogen (N) is more electronegative than hydrogen (H). Which of the following is a correct statement about the atoms in ammonia (NH3)? 

During the formation of a table salt molecule (NaCl) ________.

Which of the following statements about the chemical reaction below is FALSE? CH4 + 2O2 ↔ CO2 + 2H2O

Write the molecular formula for the following molecule: The U formatting box can be used to adjust the formatting of your typed answer as needed.

A solution contains 10-7 M of hydrogen ions. Which of the following best describes this solution? 

A solution contains [OH-] = 10-10 M. Use this information to answer the following questions: a. What is the [H+] of this solution? b. What is the pH of this solution?  The U formatting box can be used to adjust the formatting of your typed answer as needed.

Organic chemistry is the study of organic molecules containing carbon. 

Which of the following properties of water is most likely responsible for the formation of large raindrops?

A buffer will allow drastic changes in pH when acids or bases are added to a solution.