2HgO(s) + 43.4 kcal -> 2Hg(l) + O2(g) This reaction is: Exothermic or Endothermic

The (TRIANGLE)H value is: Positive or negative

Heat is a reactant or product

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

What is the percent by mass of magnesium sulfate in mgso4.7h2o

How can you write e method for the experiment of separating sand from water by filtration process? 1-materials 2-steps 3-conclusion also the same for the separating process of water and salt by filtration or distillation. quick because i need to finish my hw