A reaction where heat is added is a(n)

endothermic reaction

exothermic reaction

heterogeneous reaction

reversible reaction

Express the following number in scientific notation. 0.026890 =

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?