
Heat of formation group additivity - Wikipedia
Heat of formation group additivity methods in thermochemistry enable the calculation and prediction of heat of formation of organic compounds based on additivity. This method was …
化学需氧量(COD)的测定——酸性高锰酸钾法 - 百度文库
取出三角瓶,用10ml大肚移液管加入草酸钠标准溶液10.0ml,摇匀,待高锰酸钾的紫红色完全消失后,趁热(此时试液温度不应低于70℃,否则需加热)用高锰酸钾溶液滴定至试液微红色不 …
Heat of formation group additivity - snst-hu.lzu.edu.cn
isopentane = 4CC + 12CH + 10HCH + 16HCC + 4CCC + (5C + 12H) = - 36.7 kcal/mole neopentane = 4CC + 12CH + 12HCH + 12HCC + 6CCC + (5C + 12H) = -40.1 kcal/mole Key in …
Heats of formation and chemical compositions - Purdue University
Back to the Purdue AAE Propulsion main page. Heats of formation and chemical compositions 1 * this is the propellant ingredient data file for pep thermochemical * 2 * program. it provides a …
超详细的汽车超充解释来了,你能看明白吗? 1C、2C、3C、
2023年10月9日 · 1c、2c、3c、4c、5c,究竟是啥意思? 1C:电池在一个小时(60 分钟)充满; 2C:电池在 2 分之一个小时(30 分钟)充满; 3C:电池在 3 分之一个小时(20 分钟)内充 …
Vander Waals London Dispersion Forces (Nonpolar-Nonpolar …
For example, comparing the linear n-pentane with spherical neo-pentane, with nearly the same number of Carbon-Hydrogen atoms (C:H ratio, 5C:12H), the boiling point of n-pentane is 36.2 …
实验十二 水样中化学耗氧量(COD)的测定(高锰酸钾 …
化学耗氧量——COD(chemical oxygen demand),是指水样在规定条件下用氧化剂处理时,其溶解性或悬浮性物质消耗该氧化剂的量。 它以氧的mg/L来表征水中还原性污染物的指标。 还原 …
Heat of Formation Group Additivity - Gronert Model - LiquiSearch
neopentane = 4CC + 12CH + 12HCH + 12HCC + 6CCC + (5C + 12H) = -40.1 kcal/mol Key in this treatment is the introduction of 1,3-repulsive and destabilizing interactions and this type of …
高锰酸钾盐指数实验报告 - 百度文库
高锰酸钾氧化草酸钠的反应是个吸热反应,在常温下此反应的反应速度非常慢,当温度升. 概述:水样加入硫酸使呈酸性后,加入一定量的高锰酸钾溶液,并在沸水浴中加热反应一定的时间 …
CHT 12H +5C TO +45C (60PK) - NSI Industries
CHT 12H +5C TO +45C (60PK) Temperature Charts. #E545C12. CHART,12 HOUR,5 TO 45°C,0-100% RH. 12 hour recording time; For use with CR4-KTH and CRTH2 chart recorder; Add to …
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