How many kilograms are in 667 g?

When 0.422g of phosphorus is burned, 0.967g of a white oxide is obtained. a. Determine the empirical formula of the oxide b. write a balanced equation for the reaction of phosphorus and molecular oxygen on the basis of this empirical formula

What is the Definition of "Folded Mountain" in science terms?

What is the component concentration ratio, [no2-]/[hno2], of a buffer that has a ph of 3.90? (ka of hno2 = 7.1 * 10-4) ?

Some table salt substitutes have potassium chloride in them. If you consume potassium chloride, are you truly eating potassium and chlorine atoms? Support your answer with chemical evidence.

The compound ncl3 is nitrogen trichloride, but alcl3 is simply aluminum chloride. why? check all that apply. check all that apply.

Why do ionic compounds conduct electricity when dissolved in water but most covalent compounds do not?

Which of the following is an example of a molecule? F C Al O2

Organize the items listed into the proper sequence of events for gas exchange. a: O2 is transported to cells by circulatory system. b: O2 is drawn into the lungs during inhalation. c: Cells use O2 and generate CO2. d: CO2 is exhaled.

Research about the reaction of baking soda and vinegar

What mass (in mg) does 2.63 moles of nickel have? 3.56 * 105 mg 1.54 * 105 mg 2.23 * 104 mg 129 mg?