3. Firefighters' uniform is coated with a plastic that is fire resistant. Identify the plastic from the given

options.

a. Teflon

b. Melamine

c. PET

d. Polyester

A tank of gas has partial pressures of nitrogen and oxygen equal to 1.61 * 104 kPa and 4.34 * 103 kPa, respectively. What is the total pressure of the tank? Remember that (1.0 * 105) + (1.0 * 105) = 2.0 * 105.

What are the units for the following variables associated with the gas laws? a. Pressure (P) b. Volume (V) c. Temperature (T) d. Moles (n) e. Gas Constant (R)

Which ion in each of the following pairs would you expect to be more strongly hydrated Why? ClO4 - or SO4-

Which of the following statements is true regarding a covalent bond in CO? Valence electrons are transferred to the oxygen atom. The bond length is less than the sum of the two atomic radii. Bonding electrons are stationary in the CO molecule.

13. How many moles of zinc are in 25.00 g Zn?

Which of the following is nicknamed the "powerhouse" of the cell?

Which is a sign of a chemical change? Question 6 options: Paint on a freshly painted wall dries and is no longer sticky. Ice cream melts when left at room temperature. Vinegar is mixed with baking soda resulting in carbon dioxide bubbles.

What is the correct term for water Atom element product reactant

Do carbon atoms gain, lose, or share electrons?

In aqueous solution the ag ion forms a complex with two ammonia molecules. Write the formation constant expression for the equilibrium between the hydrated metal ion and the aqueous complex.