請問甲點算超臨界流體還是氣體？

10,000 solid 1,000 pressure P (bar) 100 liquid 10 10 supercritical fluid critical point triple point gas 1 200 250 300p 350p 400 temperature

想請問各位大神，化學高二題目。老師給的線索是要利用p1-p2=ρgh解題。求詳解🙏

Q: What is the pressure difference between Point A and Point B? G d₂ Hg H₂O 3 d1 = 50 cm d2 = 2.5 cm d3= 15 cm p (Hg) = 13.6 g/cm³

請問這題我這樣計算是正確的嗎？ 我直接拿PV=nRT把溶解度給的毫升代進去算出莫耳數 還是有其他正確解法呢TT謝謝🙏

D& mo The aqueous solubility of O₂ 44.8 mL per liter. What is the molarity of O₂ in a standard water solution when the O₂ is under its normal partial pressure in air in 0.20 atm? 0.2x (44.8x10³) = 18.082x298 =) n = 3x104. (A)1x10 4M (B)2x10-4M 4x10 M 3.6~4. PX=nRX Pin x10 M Poz=0₁2 S= 44,8 ml/ # E5x10-4M 10 9

第五題有點看不懂😵‍💫

恢物/內燃機 (E) SO2/冷媒 )5.近年來,常將符合綠色化學的化學或化工製程的各項條件歸納為十二原則,並分屬於三群 組:「永續」(Sustainability) 「確保」(Assurance) 「預防」(Prevention) 簡記 為“SPA”。其中,「永續」群組的四項原則包含了節能、低毒、再生與物盡;「預防」群 組的四項原則包含了催化、防廢、可解與簡潔;「確保」群組的四項原則包含了思危、監 測、降輔、保安。則下列化學反應中,最不符合綠色化學概念的是: (A)製備 CuSO4 : Cu+2H2SO4(濃) ->>>> CuSO4+SO2↑ + 2 H2O (B)消除硝酸工業廢氣的氮氧化物的汙染:NO+O2+2NaOH (C)葡萄糖發酵生成酒精:CH2O → 2C2H5OH+2 CO2 (D)製 NH4HCO3:NH3(g)+CO2(g)+H2O(l) → NH4HCO3 (E)工業製酒精:C2H4+H2O C₂H6O AC₁ > 催化劑 →>>>> 2 NaNO2+H₂O

想請問這題為什麼是C呢？看不太懂

10. N₂O4 ⇒ 2NO₂ is an equilibrium system. If the volume of the container becomes ? double and reaches a new equilibrium at constant temperature, which of the followings is wrong? (A) [NO₂] becomes smaller. (B/Total moles increase. The product of PV becomes The pressure becomes half of initial pressure. larger. (E)[N₂O4] becomes smaller.

想請問為什麼答案是C呢？如果可以也麻煩講解其他選項

(C10.N₂O4 — 2NO¿is an equilibrium system. If the volume of the container becomes double and reaches a new equilibrium at constant temperature, which of the followings is wrong? (A) [NO₂] becomes smaller. (B) Total moles increase. (C) The pressure becomes half of initial pressure. (D) The product of PV becomes larger. (E)[N₂O4] becomes smaller.

想問這題的（3）為什麼減少溫度會往左呢？不是應該往右嗎？

10. Ans = In the equilibrium 2SO2(g) + O2(g) following can increase the concentration (1) Increase the pressure (2) Reduce the pressure (3) Reduce the temperature (4) Add O2(g) 2SO3(g) + Heat, which of the of SO2(g)? (-) (1) Increase the pressure, move to theright, the wncentration of SO2(g) increases. (2) Reduce the pressure, move to the left, the wncentration of SO2(g) decreases. (3) Reduce the temperature, move to the left, the wncentration of SO2(g) increases. (4) Add O2(g), move to the right, the wncentration of SO2(g) increases.

請問要什麼算第一題

461 1. 將0.4M KI (aq) 40 mL與0.2M Pb(NO3)2(s) 60 mL 彼此相混合,待反應完全後過 0104x0₁4 = 010161 0.06x0,2 =0.012 濾。 0.016÷2=0:008 限量試劑 0.008x461 = 3688 (1)若 PI,溶解度極小可忽略,可得沉澱多少克? (Pb=207,I=127,K=39) (2)溶液中[Pb²+] = ?(色)波超爽 (3)溶液中各離子濃度大小次序為何?(比較[K+]、[Z AgNO3 2. 硝酸銀溶液與下列何種溶液混合,將會生成白色沉澱? HC HESUR Hapu - HNO3 ( Ans 46 3488 ]、[Pb²+]、[NO]]的大小〕 11

想請問各位大神，這題為什麼是D🙇🏻‍♀️ （ratio:比例；collision:碰撞）

9-10. You have two samples of the same gas in the same size container, with the same pressure. The gas in the first container has a kelvin ternperature four times that of the gas in the other container, 4T 1 to T 10. The ratio of number of collisions with the wall in the first container compared to that in the second is (a) 1:1, (b) 4:1, ()1:4,(d) 2:1, (e) 1:2. 273

怎麼算

12. A 0.100 m solution of which one of the following solutes will have the highest vapor pressure? a. OKC104 b. O Ca(C104)2 O A1(C104)3 sucrose O NaC1 C d e.