Is Ethanol from Corn Bad for the Climate?Douglas FischerThe Daily Climate
Why is ethanol produced from corn not necessarily a sustainable option as a source of energy? Explain.Biofuels:Biofuels are types of fuels that are produced from biomass instead of from geological processes such as oil. Biofuels are considered a renewable source of energy...
Is corn starch soluble in acetone, ethanol, hexane, or water?Question:Is corn starch soluble in acetone, ethanol, hexane, or water?Hydrocarbons:Hydrocarbons are a kind of organic molecules: They can be simple, like monosaccharides. They can be more complex, like disaccharides or polysaccharid...
The author thinks that replacing gas with corn ethanol is.A.impracticalB.acceptableC.admirableD.useless的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,
Producing ethanol and biodiesel from corn and other crops is not worth the energyPatzek, Tad WPimentel D,Patzek T W.Producing ethanol and biodiesel from corn and other crops is not worth the energy. NRR . 2005
The problem is that the amount of energy we get from corn-based ethanol isn't much more than the amount of energy that gets put into making it,so it's not really worth it. Tina? FEMALE STUDENT: But ethanol made from cellulose is different?
Wheat, barley and potatoes are also sources of ethanol. There are a couple of ways to make fuel-grade ethanol, and one of the most common ones is the dry-mill method, which goes something like this: The corn (or other grain) passes through a grinding meal. It comes out as a powder...
All too often,a choice that seems sustainable (可持续的) turns out on closer examination to be problematic.Probably the best example is the rush to produce ethanol (乙醇) for fuel from corn.Corn is a renewable resource — you can harvest it and grow more,almost limitlessly....
10. The bad news is, the alcohol you just drank contains so much ethanol that it's going to bind with that nasty formic acid rampaging through your body, hence you're just gonna pee it out, harmlessly. 而坏消息是,你刚才喝的酒里所含的乙醇,正好可以和你体内那些可恶的甲酸牢牢结合在一起...
9.All too often,a choice that seems sustainable(可持续的)turns out on closer examination to be problematic.Probably the best example is the rush to produce ethanol(乙醇) for fuel from corn.Corn is a renewable resource-you can harvest it and grow more,almost limitlessly.So replacing gas with...