If you have 30 g of carbon, 300 g of chlorine and 30 g of hydrogen to form chloroform, how many grams of chlorine and hydrogen are used up in the reaction? ​

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.