The theoretical yield for a reaction is 55.9 g licl. the actual yield is 24.6 g licl. what is the percent yield of the reaction? a. 25% b. 227% c. 44% d. 56%

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?