how many grams of ammonia would be produced from the reaction of 2.64 moles of hydrogen gas reacting with excess nitrogen

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Compare and contrast refraction of light and sound will give brainliest

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.