Calculate the mass of water produced when 5.00 g of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. CH4(g) + O2(g) ® CO2(g) + H2O(g)

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.