Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response

Toxicity

Carcinogenic

Flames

Inhalation hazard

Flying objects

What element forms an ion with an electronic configuration of [Ne] and a - 2 charge?

Aspirin, like many pharmaceutical drugs, can access the cell because it is a weak acid. This occurs because Choose one: A. it is carried by water during osmosis. B. it is a small uncharged molecule. C.

If an object mass is 50 g, and it's volume is 10 cubic cm, what is it's density

A 6.50x10^-5 m solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15 cm cell at a wavelength of 525 nm. calculate the absorbance of this solution

The total number of cells in an organism increases as a result of which process?

When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be? a) acidic b) basic c) neutral d) hot

Why does the sky change colors at sunset? 1 because the sun changes colors 2 because the atmosphere reflects colors 3 because long wavelengths are scattered the least 4 because short wavelengths are scattered the least

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia