What element is represented by: 1s^2

Suppose that you carefully weigh pieces of zinc and copper metal and construct a voltaic cell. After allowing the current to flow for some time, you carefully dry the pieces of metal and weigh them again.

Papa bless Which of the following describes the idea that heat is transferred as thermal energy by the interaction of moving particles. the kinetic theory of heat thermal energy kinetic energy the theory of thermal equilibrium

What is the pressure of 2.0 mol nitrogen (N2) gas in a 0.5 L container at 310 K?

What is the purpose of finding oxidation states in the half-reaction method for balancing equations? to use as coefficients in the final equation to identify the half reactions for the equation to make sure the equation is balanced electrically to

What is the process of scientific inquiry and why it is not a rigid sequence of steps?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?

Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response Toxicity Carcinogenic Flames Inhalation hazard Flying objects

Which would be best categorized as heat transfer by convection? A) Wearing a white shirt to stay cool on a summer day.