Na2S + 2HCl - 2NaCl + H2S 55g
159 67g ?
What is missing from the equation, and how do you know?

The study of witch tree monkeys feed in is part of the science life

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers