All of the following are balanced equations. State the number of atoms of each element in the reactants and in
the products.
a. 2Na(s) + Cl2(8) =2NaCl(s)
b. PC13(1) + 3H2(8) =PH3(8) + 3HC1()
c. P4010(s) + 6H2O(l) =4H3PO4(aq)

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 best describes how johannes kepler developed his laws of planetary motion

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: