Warm-Up

Which statements best describe fossils? Check all that apply.

Which of these molecules experience london dispersion force?

When a solution is basic, the pOH is always less than 8, 14, 7

A balanced equation tells you the mole ratio of all reactants and products. Using the chemical reaction below how many moles of NH3 are made when 3 moles of hydrogen gas are used? 2N2 + 3H2 - - - > 2NH3

Which of the following is classified as a ionic compound

Which analogy best represents a saturated solution? an empty baseball field a single player on a field that has a maximum of 11 players players on a field that has a maximum of 11 players players on a field that has a maximum of 11 players players

The sun is directly overhead at the equator on what day of the year? A. Zenith B. Solstice C. Equinox D. Ecliptic Isn't it the Solstice?

In the SI system of units, the mole is one of seven base units. It is frequently used in chemical calculations. However, a mole of something is just a particular quantity of it.

A student used a DCP solution (standardized to 9.98x10-4M) to analyze a sample of extract from 2.50g of solid food. The titration required 22.49mL of DCP. 87.00% of all the ascorbic acid in the food was collected in the extract.

Barium-131 is a radioactive isotope of the element barium used for gastrointestinal tract scans in doctors offices. Barium-131 has a half-life of 10 days.

The name for Na2 O in chemistry