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Questions in chemistry

[Sagot para sa’yo] the smaller the size of particles, The is the surface area

[Sagot para sa’yo] Why is it that nothing happens to a solution mixed in with a solution that is already buffered?

[Sagot para sa’yo] Common name of barium hydroxide

[Sagot para sa’yo] Decreasing the concentration of reactants increase the collision frequency between reacting particles

[Sagot para sa’yo] use the collission theory to explain why a lump of sugar is better to use in hot cup of tea

[Sagot para sa’yo] Elements, compound, mixture. . seawater, sodium,soil ,soap, carbohydrate, coffee, chocolate,solfur.

[Sagot para sa’yo] Paint 20L equal to kg

[Sagot para sa’yo] what conditions must be met in order for a chemical reaction to occur

[Sagot para sa’yo] Define the rate of reaction of HBr in the following reaction. How is this related to the rate of formation of Br2? 4 HBr(g) + O2(g) --> 2Br2(g) + 2 H2O(g)

[Sagot para sa’yo] Part 4: Column A lists a substance. In Column B, list whether the substance is an element (E), a compound (C), a Heterogeneous Mixture (HM), or a Solution (S). (Remember a solution is a homogeneous mixture.) Column A Column B 1. Summer Sausage 2. Steam 3. Salt Water 4. Pencil lead (Pb) 5. Dirt 6. Pepsi 7. Silver (Ag) 8. Toothpaste (Na2HPO4) 9. A burrito 10. Italian Dressing 11. Chicken Soup 12. Lemonade