Phosphorus-32 ahs a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 56.0 days

The cruise control on a car is an example of what process

What is the energy of a photon of green light with a frequency of 5.76 times 10 to the fourteenth s to the negative one

Express the answer in scientific notation & observe significant figure rules. (1.8 x 10-2) : (9 x 102) =

Given the balanced equation: I2 (s) + energy = = > I2 (g) As a sample of I2 (s) sublimes to I2 (g), the entropy of the sample (1) increases because the particles are less randomly arranged (2) increases because the particles are more randomly

Find the temperature (°C) of 1.25 moles of a gas if the gas has a volume 20.0 liters at a pressure of 1.75 atm.

What is the number of moles of 27.6g of lithium?

Air is transferred from a 75 L tank where the pressure is 125 psi and the temperture is 288 k to a tire with a volume of 6.1 L and a pressure of 25 psi. What is the new temperture.

Which of the following is a measure of randomness in a system? A) entropy. B) kinetic energy. C) potential energy. D) chemical energy.

What substance can be broken down by chemical means? A) ammonia B) aluminum C) antimony D) argon (Castle learning question)

How the law of conservation of mass could be useful for investigating chemical changes