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The Molecular Model Set For Hydrocarbon (Fossil) Fuels Hydrocarbons are compounds that contain only hydrogen and carbon. Natural gas, gasoline, and candle wax are all composed of hydrocarbons.Use this kit to build the molecular structures of many common fuels, such as propane, butane, and octane. Red links are used to emphasize the ENERGY stored within the chemical bonds.
US buyers - The weight limit for USPS First Class Mail is 13 oz. If you are purchasing more than 1 model set, we will ship using USPS Priority Mail. International buyers - USPS small flat rate shipping does not have a tracking number and is NOT insured. Only 1 model set will fit in the small flat rate box. The customs number can be used to determine that the package has reached your country. You become responsible for the package once it has reached your country. We cannot guarantee shipping within your country. If you would like your package insured, please select USPS Priority Mail International. If you order more than 1 model set you must choose to ship by USPS Priority Mail International. USPS Priority Mail International does not have a tracking number but it is insured. |
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Immediate payment required for this item Immediate payment of US $12.75 is required. Seller's payment instructions | ||||||