Complete combustion of 7.50 g of a hydrocarbon produced 23.1 g of co2 and 10.6 g of h2o. what is the empirical formula for the hydrocarbon ?

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

What is the formula that this ionic compounds could form sr2+p3-o2-

Can someone me with 1 to 4 plz. fast