And h is the half-life, in days, of the substance. a scientist has a 10-mg sample of a radioactive isotope. the isotope has a half-life of 8 days. after 16 days, how much of the radioactive isotope remains?

A relationship can be damaged by A. not meeting expectations. B. honest communication. C. exceeding expectations. D. people spending time with one another.

Would a precipitate be observed if equal volumes of a 0.040 m agno3 solution and a 0.030 m nano2 solution are mixed?

What is the volume, in milliliters, of 6.68 g of acetone?

What happens to the frequency if the wavelength is multiplied by two?

What best defines a planet

What happens when hydrochloric acid is added to pure water?

1. Water is an amphoteric substance. In any sample of water some of the moles In any sample of water some of the molecules perform acid- base reactions with each other. This is called the autoionization of water.

What state of matter is achieved if a large amount of energy is added to a gas? vapor liquid plasma solid

Which process is used to determine the concentration of an acid?

Using the ideal gas equation, calculate the pressure of oxygen gas in a cylinder with a volume of 25.00 L. The oxygen masses 4.362 kg and room temperature is at 22.5 o C.