In a chemical reaction, 12 grams of sodium must combine with how many grams of chlorine to produce 30 grams of table salt?

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?