What gas is evolved when sulfuric acid is added to the reaction mixture?

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Classify this reaction: 2al+n2-> aln.