8.7 moles of ammonia (NH3) is formed in the following reaction. How many grams of hydrogen reacted?

In what region of the periodic table will you find elements with relatively high IEs? With relatively low IEs?

A train is traveling at 40 m/s and comes to a compete stop in 60 seconds. What is its acceleration

2. All of the following are true regarding alcoholic fermentation, except that alcoholic fermentation A. produces ethanol. B. uses glycolysis. C. does not require oxygen. D. produces as much energy as cell respiration.

How are gases different from liquids and solids in terms of the distance between the particles?

Which of the following describes how electric charges flow? Question 10 options: They do not flow They flow from low potential to high potential They flow from high potential to low potential They flow when towards the source

1. How is pressure affected as depth increases? 2. As the sun heats the surface of the oceans, two layers of water result. What separates the layers? 3. How is temperature affected when? (a) the depth increases (b) the latitude increases 4.

Are nails in a jar with water a chemical change

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.

Suppose you were given a substance and asked to determine whether or not it was a plasma. Write the characteristics you would look for to identify the substance.

What is a comet? tell in a short and easy answer