百度试题 结果1 题目Balance the following chemical equation: H2 + O2 → H2O 相关知识点: 试题来源: 解析2H₂ + O₂ → 2H₂O 反馈 收藏
Equation of state of the H 2O, CO 2, and H 2O–CO 2 systems up to 10 GPa and 2573.15 K: Molecular dynamics simulations with ab initio potential surface Equation of state of the H2O,CO2,and H2O-CO2 systems up to 10 GPa and 2573.15 K:molecular dynamics simulations with ab initio ...
The product of this reaction is the compound phosphorus oxide: P4 (s) + O2 (g)---> P4O10 (s) Again wesee that a chemical unit of the new compound has two types of atoms. Each chemical unit contains or has four phosphorus atoms and ten oxygen atoms. This equation correctly gives...
You are given chemical equation: NaH +H2O=NaOH+H2↑,in the reaction,H2O acts as ( ) A. Oxidizing agent B. reducing agent C. not only oxidizing agent but also reducing agent D. neither oxidizing agent nor reducing agent 相关知识点: ...
2Na + 2H2O → 2NaOH + H2which volume of hydrogen is produced at room temperature when 0.2 mol of sodium reacted.2.4dm 要简明一点的 相关知识点: 试题来源: 解析 意思是钠跟水反应,钠的物质的量是0.2mol要求H2物质的量,物质的量之比等于配平系数之比即2比1即H2 0.1mol ...
In the presence of sunlight, chlorophyll (a pigment found in chloroplasts) captures energy and converts it into chemical energy, which is used to convert carbon dioxide and water into glucose. Oxygen is released as a byproduct. The overall equation for photosynthesis is: 6CO2 + 6H2O + ...
An equation of state (EOS) has been developed for the NaCl H2O CO2 system which consistently predicts various properties including PVTX, immiscibility or phase equilibria, solubilities, and activities with an accuracy close to that of experimental data from 300 to about 1000°C and 0–6000 bar ...
Use Hess' Law to calculate enthalpy of reaction for the following equation: 2N2(g) + 5O2(g) rightarrow 2 N2O5(g) Given: 2 H2(g) + O2(g) rightarrow 2 H2O(l) Delta H = -571.6 kJ/mol N2O5(g) + H2O(l) rightarrow 2 HNO3(l)...
H++OH-=H2O ( ) A. HCl(aq) reacts with Ba(OH)2(aq) B. H2SO4(aq) reacts with Ba(OH)2(aq) C. HNO3(aq) reacts with Mg(OH)2 D. HCl(aq) reacts with Cu(OH)2 相关知识点: 试题来源: 解析 A 反馈 收藏
K2MnO4 + MnO2 + O2 arrow 15. Hydrogen peroxide decomposition reaction under the catalyst of manganese dioxide: H2O2 MnO22H2O + O2 (laboratory oxygen principle 3) 2. Water in nature: 16. Water is decomposed under the action of direct current (the study of water composition experiment) : 2H...