What is not needed in the chemical formula for a covalent compound

a-display of positive and negative charges

b-specific atoms put together in the compound

c-how many of each atom are combined

d-abbreviation for an atoms included

Does more precipitation occur over oceans or over land? Explain

You have a glass of liquid and combine it with a mysterious solid and notice that over time the color changes.

Match each symbol to what it represents. A. P Number of moles B. V Volume C. n Pressure D. R 8.314 E. T Temperature

The visible spectrum for a colored solution has a maximum absorbances around both 440 nm and around 600 nm and a minimum absorbance between 510 and 540 nm. What is the color of the solution?

When a pot of water sits on a hot stove, the metal pot is heated, and then transfers its heat to the water. A student claims that conduction is the only type of heat transfer occurring. Which statement explains why the student's idea is incorrect? a.

The diagram to the right shows energy for two reactions, A and B. Which reaction has the higher Gpx?

To be considered a source of water pollution, the source must include a chemical.

2,000 kJ worth of heat is absorbs by each of the following objects. Which object will experience the smallest temperature change

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer