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The MTBE controversy concerns methyl tert-butyl ether (MTBE), a gasoline additive that replaced tetraethyllead. MTBE is an oxygenate and raises gasoline's octane number . Its use declined in the United States in response to environmental and health concerns.
Although an ether, MTBE is a poor Lewis base and does not support formation of Grignard reagents. It is also unstable toward strong acids. It reacts dangerously with bromine. [25] MTBE forms azeotropes with water (52.6 °C; 96.5% MTBE) [26] and methanol (51.3 °C; 68.6% MTBE). [27] The solubility of water in MTBE is reported to be 1.5 g/100g at ...
Heat indices of 105 to 110 degrees are forecast across Miami areas, Fort Lauderdale and the Keys, and most of the state on Saturday afternoon with the advisory lasting until 8 p.m. in South ...
Get the Florida Keys, FL local weather forecast by the hour and the next 10 days.
A hurricane local statement (HLS) [1] is a weather statement produced for the public by the local Weather Forecast Offices of the National Weather Service in the U.S. for areas affected or forecast to be affected by a tropical storm or hurricane that provides an overview of the storm's local effects, including expected weather conditions, evacuation decisions made by local officials, and ...
The trend will continue the rest of this week.
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January 2020 had an average global surface land and water temperature of 55.65 °F (13.14 °C), which was 2.05°F (1.14°C) above the 20th century average. This made January 2020 the warmest January on record, surpassing 2016 by 0.04°F (0.02°C). The month's departure from the average was the fourth highest of any month ever recorded.