The energy required for the chemical reaction of 21.7 grams of nitrogen to produce ammonia is how many kilojoules? If you put something that isn't the answer I will report you.

What does x represent in the formula for the compound xcl4?

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount