For each structure shown below, determine the number of π electrons. indicate whether the structure is aromatic, nonaromatic, or antiaromatic.

Biogas majorly contains

What is the ph of a solution that is. 75 m in sodium acetate and. 50 m in acetic acid? (ka for acetic acid is 1.8*10^-5?

Which chemical reaction model is flawed and why? A) 4C2+S8 - > 4CS2 B) 2Fe+3Cl2 - > 2FeCl3 C) 2Na+Cl2 - > 2NaCl D) P4O10+6H2O - > 4H3PO4

What is the force that occurs when two objects rub together

When it became too hot to stay outside during a summer birthday party, the party was moved inside to an air-conditioned porch. If a latex balloon had a volume of 6.50 L at 31 °C, what would be the volume of this balloon at 21 °C?

How can there be snow near a giraffe's home This is actually science so yeah

If a sealed syringe that contains some gas in heated in which direction will the syringe plunger move

Use the drop‑down menus to label the statements as either true of false. Dichloromethane is flammable. true false Methanol is flammable. Concentrated sulfuric acid is corrosive. 10% sodium carbonate solution must be used in the fume hood.

What is the process all rocks are continuously in during which that can change into other types of rocks

Collagen is made of fibers and is found in tendons and cartilage. Collagen contributes to meat toughness and is, therefore, an example of which type of protein?