How much pressure would 4.85 moles of He gas exert in a 4.50 L tank at 55° C?

A small amount of acid is added to a buffer solution, the ph of the solution will A. increase B. decrease C. stay about the same D. become neutral

A sports drink contains sugar, salt, and water. Which of these ingredients is the solvent?

When an athlete gets hurt they apply sometimes an instant cold pack to the injury. the instant cold pack works by mixing two chemicals that create a chemical reaction.

Calculate the percent errorin a length measurementof 4.45cm if the correct value is 4.06

Although amino acids have "acid" in their name, some are acidic in water solutions, some are basic, and others are neutral. propose an explanation for this observation based on the structures and descriptions of the amino acids below. 21.

Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "Submit". Use H3O + for hydronium ion.

What can I expect on the asvab

Consider the reaction N2 (g) + O2 (g) ⇌ 2NO (g) If the equilibrium partial pressures of N2, O2, and NO are 0.22, 0.19, and 0.030 atm, respectively, at 2200°C, what is KP?

What is demetri mendeleyev given credit for developing

Acetone used for rinsing glassware Group of answer choices 1. Pour it down the sink where you are rinsing the glassware 2. Collect it and dispose of it in the organic or acetone waste container 3.