What change of state involves a release of energy?

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

In saturated organic compounds, all the bonds between carbon atoms are called?

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