help, please. In the chemical reaction 3H2 + N2 --> 2NH3, how many moles of NH3 will be produced if 4 moles of nitrogen react?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

What type of matter is made of only one kind of atom