Which of the following are decomposition reactions?

~There can be more then one answer~

A. K2CO3 (s) → K2O (s) + CO2 (g)

B. 2Na (s) + Cl2 (g) → 2NaCl (s)

C. 2LiOH (s) + CO2 (g) → Li2CO3 (s) + H2O (l)

D. 2SO3 (g) → 2SO2 (g) + O2 (g)

What is the mass of 980N weight on earth

When connected to a 230 V socket these electrical currents: Radiant Heater: 4.4A Iron: 0.43A Hotplate: 6.5A Vacuum cleaner: 2.2A Calculate the resistors.

What is the velocity of a car that has traveled 500 miles northeast in 5 hours

One degree Celsius indicates the same temperature change as A. 9/5 kelvin. B. one degree Fahrenheit. C. one kelvin. D. 5/9 degree Fahrenheit

Why is velocity most important in space launch?

The process of changing the energy of a system by means of force. Force * Diatance

A gnat takes off from one end of a pencil and flies around erratically for 18.6 seconds before landing on the other end of the same pencil. If the gnat flew a total distance of 7.15 meters, and the pencil is 6.

An apple falls from an apple tree growing on a 20° slope. the apple hits the ground with an impact velocity of 16.5 m/s straight downward. what is the component of the apple's impact velocity parallel to the surface of the slope?

Objects falling through the air experience a type of friction called air resistance. true or false

How big is a wifi pulse signal coming from your router? A) 10 meters B) 15 meters C) 5-10 meters D) 20-30 meters