The characteristic odor of pineapple is due to ethyl butyrate a compound of 1.95mg ethyl butyrate produces 4.42mg of CO2 and 1.81mg of H2O what is the empirical formula of the compound?t is the ester of ethanol (C2H5OH) and butyric acid (butanoic acid, (HO-)(O=)C-C3H7).
Though keeping eggs at room temperature is a perfectly good idea in Europe, because of differences in production practices, it can be very dangerous in the U.S. The reason comes down to how we treat one simple, very insidious little bug, salmonella, which can cause extreme digestive distress and even prove fatal.
Hard boiled eggs must be refrigerated. You can extend the answer to how long do hard boiled eggs last by storing them in your fridge (refrigerator) immediately after preparation or use.Once prepared, hard boiled eggs should be stored in a tightly closed container in the fridge to keep out moisture and other contaminants.ard boiled eggs last about 7 days, but can spoil quickly if not handled properly. Hard boiled eggs are fresh whole eggs that have been boiled for 10 minutes. Chicken eggs are the most common choice for this process.