Calculate the mass of potassium sulfate needed to produce 115ml of a 1.34M solution

(molarity problem)

Why is ethanol a liquid at room temperature?

The price elasticity of demand measures a. buyers' responsiveness to a change in the price of a good. b. the extent to which demand increases as additional buyers enter the market. c. how much more of a good consumers will demand when incomes rise d.

What is part of the first stage in the process of technological design

Iron, an important component of the steel used in the construction of buildings, bridges, and railroads, combines with oxygen to form fe2o3, which we recognize as rust. at room temperature, iron

4. Which object converts electricity to light?

Which set of factors changes igneous or sedimentary rock into metamorphic rock? heat and weathering water and weathering heat and pressure water and pressure

What is the standard cell potential (E°cell) for the voltaic cell based on the reaction below? Sn2 + (aq) + 2Fe3 + (aq) → 2Fe2 + (aq) + Sn4 + (aq)

G oil of wintergreen, c8h8o3 is prepared when methanol, ch3oh, is reacted with salicylic acid, c7h6o3. what is the percent yield of a reaction in which 15.3 g of oil of wintergreen is collected after 16.

How can a neutral atom become a positively-charged particle?

Mineral oil can be used in place of mercury in manometers when small pressure changes are to be measured. What is the pressure of an oxygen sample in mm of mineral oil if its pressure is 28.5 mm Hg? (d of mineral oil = 0.88 g/mL; d of Hg = 13.