If 100g of Au-198 decays to 6.25g in 10.8 days, what is the Half-Life of Au-198.

Use Ae = Ao (.5) ^ t / t1/2

Antoine Lavoisier, the French scientist credited with first stating the law of conservation of matter, heated a mixture of tin and air in a sealed flask to produce tin oxide.

Suppose you have 300.0 mL of a 0.1000 M solution of a strong acid (HCl), and you add this to 100.0 mL of a 0.0200 M solution of a strong base (Ba (OH) 2). What is the new pH?

Advantages of nuclear energy?

When 85.0 g of ch4 are mixed with 160. g of o2 what is the maximum amount of co2 that can be produced? ch4 + 2o2? co2 + 2h2o?

How do you know if something is complementary

What conclusion can be drawn from the statement that an element has low electron affinity, low electronegativity, and a low ionization energy?

A scientist performs an experiment in which a radium-226 (Ra-226) atom decays into radon-222 (Rn-222). The scientist concludes that some energy must have been added to the system to cause this reaction to begin.

Which suitable method can be used to separate a mixture of sand and paraffin

How many vowels does the word love have

What is silicon used for? -matches -gunpowder -glass -steel can coating