百度试题 结果1 题目Burning coal is an example of a(n) ___ reaction. A. endothermic B. exothermic C. neutral D. slow 相关知识点: 试题来源: 解析 B。燃烧煤炭是放热反应,所以是 exothermic(放热的)。反馈 收藏
What is an example of an exothermic reaction? What is the retrosynthesis and synthesis of this reaction? What is the retrosynthesis and synthesis of the reaction below? What is the product of the provided reaction? What is the major product of the reaction below?
Home heating with natural gas, which contains >80% methane in most U.S. cities, is an example of an exothermic reaction. When natural gas is burned in air, for example, in a furnace that is heating a house or apartment building, CH4combustion occurs by the reaction ...
sunlight + 6CO2(g) + H2O(l) = C6H12O6(aq) + 6O2(g) An example of an exothermic reaction is the mixture of sodium and chlorine to yield table salt. This reaction produces 411 kJ of energy for each mole of salt that is produced:Na(s) + 0.5Cl2(s) = NaCl(s) ...
which causes the mixture to undergo anexothermic reactionreaching a temperature of 83°C. The reaction mixture is heated further to 95°C and maintained at that temperature for 90min. A cyclic polymer is formed in this initial phase of the chemical reaction. The triazone concentration can be ...
heat up the tip of the match by striking it against the striker strip on the box, however, the temperature increases and with it the rate of the reaction until it burns with a hot flame. In general, the more you increase the temperature of an exothermic reaction, the faster it will go...
used to control the addition of the oxidizing agent in the highly exothermic thioether oxidation reaction. The original procedure demanded to keep the internal reaction temperature below 75 °C. After the addition, passive monitoring further revealed an uncontrolled exotherm upon heating the reaction...
As an example, we tethered these Janus particles to each of the wells in a standard 96-well plate as an array of electrochemical cells. This allows us to evaluate multiple reaction parameters in parallel. We tested this system on the selective oxidation of propan-1,2-diol (Fig. 4c, top)...
For an exothermic reaction, the slope (1/Keq) increases with increasing temperature and thus shifts upward, resulting in a lower value of the equilibrium conversion, denoted by point Q. Similarly, for an endothermic reaction, the equilibrium conversion increases, as shown by point R. The ...
Then NH4OHis added, which causes the mixture to undergo an exothermic reaction reaching a temperature of 83 °C. The reaction mixture is heated further to 95 °C and maintained at that temperature for 90 min. A cyclic polymer is formed in this initial phase of the chemical reaction. The ...