The chart seen here shows the decay of a sample of carbon-14 over a period of 33,000 years. What is the approximate half-life of carbon 14?

Sort the statements based on whether the described outcomes result from thermal energy being added or being removed. Particles move faster. Particles move slower. Temperature increases. Temperature decreases. Kinetic energy increases.

What is the equilibrium pH of a solution that is 0.16 M in nitrous acid

Your answer should contain numbers and l's b what value of l minimizes the volume in part a.?

Why are groups 1 and 2 referred to as the s-block of the periodic table

Potatoes are made up of 99% water and 1% "potato matter. Mr. T. Bought 100 pounds of potatoes and left them outside in the sun for a while. When he returned, he discovered that the potatoes had dehydrated and were now only made up of 98% water.

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?

Why are phosphates in laundry detergent