How many particles are there in 111.6 g of iron?

If an engine operates on an input temperature of 800k and an exhaust temperature of 600k, calculate the efficiency of the engine.

When a light is first switched on, the light bulb's filament has a lower resistance than after it gives off light for a while. True or false?

The oxygen you breathe is made up of two oxygen atoms bound together why is oxygen molecule but not componud

what is the difference between length, area, and volume? be sure to include dimensions in your explanation.

What is the difference between negative displacement and negative velocity?

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.

Calculate the energy released as heat when 51.60 g Cu 2 O (s) undergo oxidation at constant pressure.

During summer vacation, Juan traveled a total distance of 400 miles. His trip took 8 hours. What was the average speed during his trip?