How do I find density

How many half lives would pass if a mass of copper-66 decayed for 51 minutes? The half life of Cu-66 is 5.10 minutes.

A scientist monitors the reaction between two gases in a closed container. What would happen to the rate of the reaction if the scientist increases the temperature in the container?

How many nitrogen atoms are there in 4.3 * 1023 moles of nitrogens?

What is the change in temperature when 3.00 grams of calcium chloride is dissolved in 100 mL of water? 5.19 oC Given the change in the temperature from adding 3.00 grams of calcium chloride to 100.00 mL of water (5.

The speed of a motorcycle increases from 10 kilometers per hour to 50 kilometers per hour in 9 seconds. What is its acceleration?

Which of the following is equal to distance/time?

Which of the following should you always wear to avoid being thrown from a vehicle and then crushed if it tips over?

If the titrant has a molarity of 0.1000 m and there are 45.00 ml of analyte present, what is the molarity of the analyte?

How is the hardness range for a mineral determined?

How do I find density