What type of reaction does the generalized equation ab--> a+b represent?
a. decomposition
b. double displacement
c. single displacement
d. synthesis

What is the percent by mass of oxygen in fe2o3

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Describe the forces both attractive and repulsive that occur as two atoms move closer together.