What term best describes the rate of radioactive decay for a particular radioactive element?

A. fast

B. slow

C. variable

D. constant

Nascar fans love race day when they get a chance to cheer on there favorite racer if a driver was able to travel 600 miles in 3 hours what was his average speed (in miles per hour

If a person can do 39J of work in 13 seconds, what is the amount of power?

Yeast is added to a beer fermentation unit, where the yeast grows while fermenting the sugars into ethanol.

A solution is prepared at that is initially in chloroacetic acid, a weak acid with, and in potassium chloroacetate. Calculate the pH of the solution. Round your answer to decimal places.

An atom of rubidium has 37 protons and 48 neutrons. If the atom loses one electron what will be the charge on the ion that forms? -36 +1 36 -1

A sealed container holds 0.020 moles of nitrogen (n2) gas, at a pressure of 1.5 atmospheres and a temperature of 290 k. the atomic mass of nitrogen is 14.0 g/mol. the boltzmann constant is 1.38 * 10-23 j/k and the ideal gas constant is r = 8.

What type of substance do these statements describe? - It is a long chain. - It contains carbon, hydrogen, and oxygen atoms. - It has double bonds. - It is insoluble in water. - It is used for energy storage in living things.

Whats the factor you observe or measure during an experiment

Which formation is created as a glacier melts making small channels underneath that deposit sediment in sandy ridges? A. glacial striations B. cirques C. terminal moraines D. eskers

Which of the following statements is true about the specific heat capacities of various substances? A•Liquid water has a relatively high specific heat capacity compared to most other substances.