Which is the best reason for using an Erlenmeyer flask instead of another piece of glassware while filtering the cabbage solution? The Erlenmeyer flask is the only container that can hold a liquid. The Erlenmeyer flask's narrow mouth makes it easier to pour the solution. The Erlenmeyer flask's narrow mouth can support the funnel and prevent breakage. X The Erlenmeyer flask is the only glassware that will accommodate a filter funnel.

In the year 2005 , a picture supposedly painted by a famous artist some time after 1715 but before 1765 contains 97.6 percent of its carbon-14 (half-life 5730 years). From this information, could this picture have been painted by this artist? ? Approximately how old is the painting? \( \square \) years

SECTION 3: Balance the following chemical reactions. a. \( \frac{\mathrm{Zn}}{\mathrm{Zinc}+\underset{\text { Hydrochloric Acid }}{\mathrm{HCl}} \rightarrow \underset{\mathrm{Zinc}}{\mathrm{ZnCl}}+\frac{\mathrm{H}_{2}}{\text { Chloride }}+\text { Hydrogen gas }} \)

4. How many atoms are found in a 15.3 g sample of bismuth? A. \( 1.26 \times 10^{26} \) atoms B. \( 4.41 \times 10^{22} \) atoms C. \( 6.02 \times 10^{23} \) atoms D. \( 9.21 \times 10^{24} \) atoms

How many mols are there in each of the following samples? (convert grams to mols) a. 42 grams of the radioactive isotope Carbon-14

Provide the number of protons, electrons, and neutrons in the following neutral elements, isotopes, and ions. If the mass number isn't provided, use the mass number for the most common isotope of that element. 1. lodine-135