關於布洛酸鹼 要怎麽看類似 HPO4 2- HPO3 2- 這種 什麼時候能失去氫離子🤔什麼時候不能？

B (C) H3PO4>H,S>H,O+>CH,COOH>H D/OH->HS->CH,COO->H,PO->H,O (E) CH,COOH>HO*>H3PO4> HzS>H,O。 •ACE 9. 已知相對酸強度:HCIO,HCI>H,PO,> HF>CH,COOH>HCO>HCN>H.0>\ 下列相關的敘述,哪些正確? HPOP H++PO3 3- (A) 鹼強度的大小:NH->OH->Cl- HPO4+ H+ H2P4 (B) HPO可為布-洛酸,亦可為布-洛鹼 (C) NH + H2O→NH3+OH-反應中,HzO 為酸 "CN" TDXCHCOOH+CIO→CH.COOHCIO,反應利於向右左 TO.HOJA -E) F-、CN、HCO,對氫離子的结合力大小:CN->HCO->F-HW ACE (A) HPO4 (B) HPO 依布忍斯特-洛瑞酸鹼定義,下列哪些物質可以反應為酸,亦可以反應為鹼? 回 CHO DNH. 1H2003 HCO3. 。 18.寫出 TO(A)) ( E ) 11. 相同的溫度下,下列五種物質在水中之酸性強弱順序為 HClOg> CH,COOH>HCN) >NH,。試問下列哪一個反應式的平衡常數最小?← 四 (A) HClO4(aq)+CN-(aq)HCN(aq)+ClO4(aq) (B) HCIO,(aq)+H,O=*H,O*(aq)+CIO, (aq) 不能失去H艹 HO+MH+ (CCH,COOH(aq)+OH(aq)=H,O(l)+CH,COO(aq) HPO+2H+ (E)NH2(aq)+H2O(1)=NH(aq) +OH(aq) HCN(aq)+CH,COO (aq) CN (aq)+CH COOH(aq). 主題2 酸鹼命名、強度與分類 02,HO m3 →H2903 HO 107

第10題 為什麼HPO3 2-不能失去H+形成PO3 3- 為什麼NH4 +不能接受H+形成NH4 2+

(ABC) 9. 已知相對酸強度:HCIO> HCI>H,PO> HF> CHCOOH>HCO3>HCN>HO>NH 下列相關的敘述,哪些正確? (A) 鹼強度的大小:NH->OH->Cl (BHPO可為布-洛酸,亦可為布-洛鹼 NH+HO NH+OH反應中,HO為酸 (D)CH:COOH+CIO→CH,COO+HClO,反應利於向右 (E) F¯、CN、HCO,對氫離子的結合力大小:CN->HCO->F- ACE 依布忍斯特-洛瑞酸鹼定義,下列哪些物質可以反應為酸,亦可以反應為鹼? 2- (A) H,PO4 (B) HPO (C) HO (D)/NH+ (E) HCO3 0 ( E ) 11. 相同的溫度下,下列五種物質在水中之酸性強弱順序為 HCIO>CH,COOH>HCN >NH,。試問下列哪一個反應式的平衡常數最小?向左 (A) HClO4(aq) +CN+ (ag) HCN(aq) + ClO(aq) 酸解離 (B) HCIO4(aq) + H2O=711,0 (aq) + CIO, (aq) (51) (C) CH,COOH(aq) +OH¯(aq)H2O(l)+CH,COO-(aq) (D) NH2(aq) + HO(1) NH3(aq)+OH(aq) (E) HCN(aq) +CH,COO¯(aq)=CN-(aq)+CH,COOH(aq)。 主題2 酸鹼命名、強度與分類 HO L ( A ) 12. 下列何者不是多質子酸? (A) H,PO₂ (B) H3PO4 (C) H₂SO, (D) H2CO3 (E) H2C2O4°

請問16、17怎麼解🥹

(A) with DA) As for A) As for the cause of the crash, my idea is 17. ( Dr. (M (A) find out N. who is responsible for it. (B) that finding out (C) that to find out (D) to find out more bike lanes, the city government will make cycling in the urban areas safer. (C) Until building (D) By building (A) Despite building (B) To build

怎麼算 答案124

設三次函數f(x)=6x²-29x²-6x+5,則下列何者為真? (1)若x∈ R,則方程式 f(3)=0有兩個相異實根 (2)若x>0,則方程式f(logzx)=0有三個相異實根 (3)若0<x<2元,則方程式 f(sinx)=0有兩個相異實根 (4)若一 <x<ㄛ, 則方程式 f(tanx)=0有三個相異實根 2 (5)若x∈R,則方程式 f(x)=0有兩個相異實根

第九題不是主動嗎，為什麼是+ed

HOZZJ that pa change Angela Duckworth, an American scholar, gave a TED Talk in New York entitled "Grit: The Power of Passion and Perseverance." The ideas in her talk were later made into a book with the same title, 3. was published in 2016. 4. years earlier, Duckworth accepted a job as a mathematics teacher at a public school in New York. Her talk details how 5. the years, her students gradually taught her that to be successful, natural intelligence alone is not enough. One must also possess what is 7. by a strong determination to known 6. grit. Grit refers to consistent effort achieve a goal. Through detailed research, Duckworth discovered that people with high levels of grit remain highly motivated to achieve their goals 8. giving up on them. In other words, someone with true grit will see himself or herself getting closer to his or her goal day by day. Therefore, that person will always be able to keep himself or herself 9. to achieving that goal. Duckworth's TED Talk and book have since book have since inspired millions remained on The New York Times' bestseller list for almost half a A 10. Her boo following its t a year publication./leave/find +0+ (1. (A) what 學士廟讀 高檢眼 (B) which (C) how CDB (B 2. (A) So (B) (A) 3.(A) which (B) it (C) that (D) 4.(A) Few (00 (B) Little) (C) A little (D) 5.(A) with (B) around (C) until 6.(A) by (B) 7.(A) drives (B) for (C) as tedi. (B) driven (C) driving (A) 8. (A) instead of 9. (A) dedicate (B) dedicating (B) regardless of (C) except for such 這樣的: (C) very (D) same (D) 9gbird) and insinu (D) A fewsl (D) over (D) to be (D) to drive (D) in addition to (D) why HTA. 197 OT (C) dedicated (D) to dedicate 10.(A) in turn (B) around the world 新人会画画 香取湖小匙 (H (C) on their way (D) around the corner 六、文意選填:10% WN (A) worthy (B) discuss (C) technological (D) with (E) increase (F) audience (G) speaks of (H) as well as (I) celebrity (J) by From the beginning, before a word is spoken, it's clear that Molly Wright's TED T mits in a high chair. A little girl walks out, smilin 2 weak pho ask chi

想詢問E選項如何解？用公式帶不出來

(D)加入0.1M、5.0mL的HCl(E)以上操作皆未超過此溶液之緩衝能力。 0.005 0.0005 2310 *A4D ⑩,取0.10 莫耳的苯甲酸(CH,COOH,K=40×10) 與 0.20 莫耳的苯甲酸鈉配製成1.0升 的溶液,則下列對於該溶液之敘述,哪些正確?(log2=0.3) C6H5COOHH *+C6H5COO¯ E 6 0.2 4x10x 0.1 (B)加 50.0 毫升的水於該溶液中,溶液 ④加 50.0 毫升的水於該溶液中,溶液pH值為5.7 8×10-6 ◎ 加碳酸鈉於該溶液中,溶液pH 值變小 个 Hel 溶液中苯甲酸的解離常數變大 10.1 0,0 H+= Naz C03 728 D 加 0.10 莫耳氯化氫於該溶液中,溶液之[H+]=8.0×10-6 M (E) 加 0.20 莫耳氫氧化鈉於該溶液中,溶液pH值為13.0。 0.2 20 4x102 2×10-6 6-1092:57

請問第11題是怎麼算的？ 答案是AD

B 為 3.0x105 M,則此杯汽水的pH值約為多 (A)3.5 (B)4.5 (C)5.5(D)6.5。 【答】 [H+)-3x105 pH.5-13.5-0.48:4.52 40 10.在65℃時,純水的K=1.0x10-13。在65℃下,若將3.20克的NaOH溶於水配成 12.5X100.2升的溶液,此時溶液中的[H+]為若干M?(NaOH分子量=40) D -13 【答】 [OH]: 3.2 40 0.2 10-13 =4x10-1 ·.·• CH+] = 4x10 -1 = 2.5×10-12 *11.加一滴 1.0M HCl 水溶液於10mL 的25℃水中(每20滴為1mL),則下列敘述哪些正 確?(log2=0.3)(A)[H+]=5x103 M(B)[OH]=1.0x10-14 M (C)pH=2.7 (D)pOH=11.7 (E)[H+][OH] 10-14. 【答】 12. 在某溫度下,已知純水中的[H+]=8.0x10M,則下列的敘述,何者為正確? (A)此時溫度小於25℃ (B)[OH]=1.25×10°M (C)pH<OH (D)此時純水的離子 常數(Kw)=6.4×10-13 M²。 【答】 13. 在25℃時,某水溶液的[H+]為[OH]的400倍,則該水溶液的pH值為若干? (A)5.7 (B)6.3 (C)6.7(D)8.3。 【答】 [H+] *

想詢問龍騰版國文的〈扼口〉，生理和病理要怎麼分辨？

🙏🏻

黃浩數學 高二條件機率輔導2 黃浩數學 高二輔導2 日期 姓名: 分數: 1— 、單一選擇題:(一題8分) 1.0 ) 神眉老師想了解班上40名同學中,約有多少比率在國中前即談過戀愛,於 是他設計了A、B兩份問卷,其中A卷30張,B卷10張,及不記名答案卷 40張,隨機發給班上同學(同學不是拿到A卷就是B卷,至於A、B卷皆 不回收,答案卷要回收),其中A卷的問題是『我曾經在國中以前談過戀 愛』,因此拿到A卷的同學若在國中前曾談過戀愛,就要在答案卷上畫『 O』,若不曾談過戀愛就在答案卷上畫『X』;反之,B卷的問題則是『 我不曾在國中以前談過戀愛』 因此拿到B卷的同學若國中前曾談過戀愛 如此設計, ,就要在答案卷上畫『X』,若不曾談過戀愛,則畫『O』 不論某位學生回答的結果是○或X,老師都無法得知該生在國中前是否談 過戀愛,但可大致了解全班的狀況。答案卷經過回收後,老師發現40張答 案卷中有15張畫『O』,25張畫『X』,則在本班同學中,約有多少比率 的同學曾在國中以前談過戀愛?【北一女中】 1 (A) 1 (B) 4 (E)- 38 30日 二、多重選擇題:(一題20分) 10B (D) 1. 甲 天中,若甲同學至少打 (log2=0.3010,log3=0.47 2. 黑箱中有10枚硬幣,其中 人頭一面是字,將手伸入箱 後手打開,發現一面是字 3. 醫學上常利用心電圖篩檢。 圖篩檢出來(即有10%的 會被誤判為有心肌梗塞如 (1)對該城市的市民來說, (2)若某人的心電圖檢查結 機率是 。 【彰化

請教這題 謝謝😊 學生不是複數 為什麼不能選have

B (A)has married (B)has been married (C)was being married Dhad married 14. Do you have any idea S+V? Awhat is the topic of her speech Chow does the machine work B) what the topic of her speech is (D)how well is the factory equipped 15. Mary doesn't look angry. Her boyfriend (A)must be apologized (C)will have to apologize to her. (B)may have apologized D)could not have apologized 16. The number of American universities that offer scholarship to foreign students decreased. (A)has (B)is (C)are 1 (D)have