Name 3 professional areas in the U. S. that use the metric system

3 students are working on an experiment about heat. They leave 4 objects in their classroom overnight with a thermometer in them. The 4 objects are a glove, metal tray, wooden block and a glass plate.

200 grams of an organic sample which contains only carbon, hydrogen, and oxygen is analyzed and found to contain 97.30 grams of carbon, 16.22 grams of hydrogen and the remainder oxygen. What is the empirical formula for the compound?

Is it chemical or physical change sugar dissolving in tea

What is the VSEPR theory and what is it used to predict?

How does the number of molecules in 1 mol of oxygen compare with the number of molecules in 1 mol of nitrogen?

In the space provided write an electron configuration for a silicon atom in the excited state

Coenzyme q carries electrons between which stages of the electron-transport chain?

Concerning the 10.0 mL of 0.50 M NaCl to 100 mL of solution: When a solution is diluted, does it change the number of moles dissolved?

How is the structure of atoms altered during fission and fusion?

Why is it important to heat analytical reagents and store them in a dessicated atmosphere before use?