H2 g s s ⇌h2s g
WebHydrogen sulfide, H2S, is a highly toxic and flammable, colorless gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an … Web学年南通市高二上学期期末模拟三化学试题20142015学年南通市高二上期末化学试卷三一选择题共10小题,每小题2分,满分20分 12分下列有关生活中化学的叙述,不正确的是a纯水和干木头都不导电,但木头用水浸湿后可以导电b盛放碳酸钠溶液的试剂
H2 g s s ⇌h2s g
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Web工业上制备BaCl2的工艺流程图如下:某研究小组在实验室用重晶石(主要成分BaSO4)对工业过程进行模拟实验.查表得:BaSO4(s)+4C(s)4CO(g)+BaS(s) H1=+571.2kJ•mol﹣1 ①BaSO4(s)+2C(s)2CO2(g)+BaS(s) H2=+226.2kJ•mol﹣1 ②(1)气体用过量NaOH溶液吸收,得到Na2S.Na2S水解的离子方程式为 S2﹣+H2O⇌HS﹣+OH﹣ … WebA mixture of H2, S, and H2S is held in a 1.0-Lvessel at 90 ∘C and reacts according to the equation: H2(g)+S(s)⇌H2S(g) At equilibrium the mixture contains 0.46 g of H2Sand 0.40 gH2. Part A. Write the equilibrium-constant expression for this reaction. Part B. What is …
Web2MnO4-+H2↑. D．NaHCO3与过量Ba（OH）2溶液反应： HCO3-+Ba2＋+OH-=BaCO3↓+H2O. 7．短周期主族元素X、Y、Z、W原子序数依次增大。 X的族序数是周期数的3倍，25℃时，0.1mol·L－1Z的最高价氧化物对应的水化物溶液的pH为13，W的最外层有6个电子。 下列说法正确的是（ ） WebHydrogen sulphide (H2S) is a colorless gas that smells like rotten eggs. At very high levels, hydrogen sulphide can be flammable. Where does Hydrogen Sulphide come from? …
WebTranscribed Image Text: 25- 2 H2S (g) → 2 H2 (g) + S2 (g) When heated, hydrogen sulfide gas decomposes according to the equation above. A 3.40 g sample of H2S (g) is introduced into an evacuated rigid 1.25 L container. The sealed container is heated to 483 K, and 3.72x10-2 mol of S2 (g) is present at equilibrium. WebFor the reaction H2 (g) + S (s) ⇌ H2S (g), dHo = -20.2 kJ/mol and dSo = -43.1 J/mol*K. Which of the following statements is true? The reaction is only spontaneous at 25 o C or …
WebN 2 (g) and H 2 (g) are allowed to react in a closed vessel at given temperature and pressure for the formation of N H 3 (g) [N 2 (g) + 3 H 2 (g) ⇌ 2 N H 3 (g) + 2 2. 4 k c a l] if H e (g) is added at equilibrium at constant pressure then which is /are correct?
WebDec 12, 2024 · Since, the state of NH₄HS is solid so, it's concentration will remain constant , hence , the equation can be rearranged as - Kc = [ NH₃ (g) ] [ H₂S (g) ] From the … help to buy homes in aylesburyWebHydrogen sulfide is a polar molecule with a dipole moment of 0.97 Debye. This chemical polarity of H2S arises because of its bent shape. Due to having this shape the bond … help to buy homes englandWebH2S (g)↽−−⇀H2 (g)+S (g) Initially, only H2S is present at a pressure of 0.228 atm in a closed container. What is the total pressure in the container at equilibrium? Question At a certain temperature, the Kp for the decomposition of H2S is 0.886. H2S (g)↽−−⇀H2 (g)+S (g) Initially, only H2S is present at a pressure of 0.228 atm in a closed container. land for sale alstead nhWeb【某温度下H2（g）+I2（g）⇌2HI（g）的平衡常数是50，在该温度下只充入H2与I2（g）发生反应，反应开始时，碘蒸气的浓度是1mol•L-1，当达到平衡时c（HI）=0.9mol•L-1，求H2的转化率？（保留三位】是由字典问答网整理的关于问题描述的问题及答案。了解更多教育知识敬请关注字典问答网，也欢迎广大 ... help to buy homes cambridgeshireWebIt uses a set of constant partial pressure values and its value is related to a known Kc K c value at a given temperature. Answer and Explanation: 1 Become a Study.com member to unlock this... help to buy homes high wycombeWebFeb 8, 2012 · A mixture of H2, S, and H2S is held in a 1.0-L vessel at 90°C and reacts according to the equation H2 (g) + S (s) H2S (g). At equilibrium the mixture contains 0.46 g of H2S and 0.40 g H2. (a) Write the equilibrium-constant expression for this reaction (Kc). I got Kc= [H2S]/ [H2] but the online homework program says its wrong asked by Yelnats land for sale alton missouriWeb1, 2] enthalpy of formation based on version 1.124 of the Thermochemical Network This version of ATcT results was generated by additional expansion of version 1.122x [] to include additional information relevant to the study of thermophysical and thermochemical properties of CH2 and CH3 using nonrigid rotor anharmonic oscillator (NRRAO) partition … help to buy homes liverpool