What kind of reaction happens when two compounds switch elements? A. A double-replacement reaction
B. A single-replacement reaction
C. A synthesis reaction
D. A decomposition reaction

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

What is the atomic number of an atom that has 6 protons

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c