How many Joules of energy are required to change 10.0 gram of ice at - 2.0 C to water at 20.0 C?

(use your constants)

440 J

66,000 J

880

4220 J

What is the difference between 5.0g and 5.0g?

What stress will shift the following equilibrium system to the right? 2SO2 (g) + O2 (g) ⇌ 2SO3 (g); ΔH = - 98.8 kJ/mol Decreasing concentration of SO2 Decreasing temperature Increasing concentration of SO3 Increasing volume

Convert the following temperatures to degrees Celsius or Fahrenheit: (a) 95°F, the temperature on a hot summer day; (b) 12°F, the temperature on a cold winter day; (c) a 102°F fever; (d) a furnace operating at 1852°F; (e) 273.

In an electrolytic cell, electrical energy drives a chemical decomposition reaction. In a voltaic cell, A.) a decomposition reaction generates heat energy. B.) chemical reactions are driven by heat energy. C.

A scientist collects a core sample from 60 km deep in Earth. Which characteristic will she most likely observe in this sample? a. The sample has high iron content. b. The sample is very hot and liquefied. c. The sample mainly consists of granite. d.

How is the hardness range for a mineral determined?

How do I find density

Which statement describes a concept included in the wave-mechanical model of the atom? 1. Positrons are located in shells outside the nucleus. 2. Neutrons are located in shells outside the nucleus. 3.

The process by which rocks are broken down into smaller fragments by the atmosphere and other factors in the environment is called?

What happens when a given amount of gas at a constant temperature increases in a volume?