What is the mass of 0.50 mole of copper?

63.5 grams

O 32 grams

3.2 grams

2.18 grams

For the reaction at equilibrium 2so3 2so2 + o2 (dhºrxn = 198 kj/mol), increasing the reaction temperature would:

What term matches this definition - negatively charged particle in an atom?

Steel is formed when a little bit of carbon is added to which element? (The carbon strengthens and hardens the steel.)

Which of a following elements is always a component of an organic compound

What are clouds composed of?

The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. The isotope chlorine-35 has a mass of 35.0 amu and a percent natural abundance of 75.5 %.

How many moles of atoms are in 9.00 g of 13c?

Question 1 Which of the following is a possible ground-state electron configuration? [Xe] 6s24f145d106p2 [Kr] 5s24d85p3 [Xe] 6s25d106p4 [Kr] 5s25d105p5

Complete the following reactions using word and balanced equations including states. Dilute phosphoric acid is added with a calcium hydroxide solution.

1. What is the smallest unit of life in all living things called?