In a chemical equation, which symbol should be used to incate that a substance is in solution?

(S)

(G)

(I)

(Aq)

Burning 87.81 grams of hexane will release __ g of water. __ C6H14 + __ O2 → __ CO2 + __ H2O

Write a balanced chemical equation for each of the following reactions: a. Phenol + sodium hydroxide b. Product of part (a) + ethyl bromide c. Product of part (a) + butyl p-toluenesulfonate d. Product of part (a) + acetic anhydride e.

The shape of an atomic orbital is associated with

during which step of the scientific method does a scientist make an educated guess about the outcome of an experiment

Which is acceptable when using powered tools?

3. Which can happen when energy is transferred from one system to another? Choose the correct answer. * O New energy is created. O Some energy is destroyed. O The energy changes form. O The energy changes into mass

What property explains that many substances dissolve in water

Which quantity is a graduated cylinder designed for measuring? A. length B. mass C. temperature D. time E. volume

Which principal is exemplified by studying a modern river to learn about how ancient rock layers form? A - uniformitarianism B - actualism C-superposition D-lateral continuity

How does dissolving an ionic compound in water increase electrical conductivity? A. The water molecules electrostatically interact with the ions in the crystal and let the ions move freely. B.