A gas has a pressure of 25 atm at 303 K. What is the temperature if the pressure drops to 20 atm?

Write the formula for the binary compound that decomposes to the products H2 and Br2

What is the trend in copper production over the past 100 years

A chemist is analyzing a substance known to be an Arrhenius acid. Which of the following substances could it be? a) HNO3 b) H2O c) KOH d) NH3

Which of the following best states the difference between an alcohol and an ether? In an alcohol, a carbon atom is double bonded to an oxygen atom; in an ether, a carbon atom is triple bonded to another carbon atom.

F is going to use a mixture of two brands of italian dressing. the first brand contains 9% vinegar, and the second brand contains 14% vinegar. the chef wants to make 380 milliliters of a dressing that is 12% vinegar.

Joseph priestly discoverd and described the chemical properties of oxygen, what type of chemist would he be considered today

Lewis dot structure for SeO

Why do you think the transition metals are 10 columns wide?

What is released when a election returns to a lower state of energy

Which of the following elements has its highest energy electrons in an "s" atomic orbital? radiium (Ra) neon (Ne) aluminum (Al) lanthanum (La)