学年

質問の種類

化学 高校生

(2)が回答読んでもよく分かりません。 わかりやすい解説お願いします🙏

(2) 0 25ml LOXDEVSaites 010cc1 基本例題10 結晶の析出 ◆問題 87 硝酸ナトリウムの水への溶解度は80℃で148.20℃で88 である。 次の各問いに整数値 (29 で答えよ。 (1) 80℃の硝酸ナトリウム飽和水溶液100g には, 硝酸ナトリウムが何g溶けているか。 (2) この水溶液を20℃まで冷却すると, 硝酸ナトリウムが何g析出するか。 TOPR ■考え方 バー 水100g に溶質を溶かしてでき た飽和溶液と比較する。 (1) 同じ温度の飽和溶液どう しでは、次の割合が等しい。 溶質 [g] 飽和溶液 〔g〕 (2) 冷却すると,各温度にお ける溶解度の差に応じた量の 結晶が析出する。 OSHID & 析出量 [g] 20 飽和溶液〔g〕 の式をたてる。 = Lar 解答 合文着中の同せ(1) (1) 80℃では水100g に硝酸ナトリウム NaNO3 が 148g 溶 けて飽和溶液248g ができる。 したがって, 80℃の飽和溶 液100g中に溶けている NaNO3 を x [g] とすると,食号 なので溶質 [g] x [g]__148gx=59.6g 飽和溶液〔g〕 100g 60 g 248g (2) 水 100g に NaNO3 は80℃で148g, 20℃で88g 溶ける overor ので,80℃の飽和溶液 248g を20℃に冷却すると, d Stat ( 148-88) g の結晶が析出する。 したがって, 80℃の飽和 溶液100g からの析出量をy[g] とすると, *+(s) 75mL 49 析出量〔g〕 y[g] (148-88)g 飽和溶液 [ g] 100g = = y=24.18 248g 24g

解決済み 回答数: 1
英語 高校生

‼️‼️至急お願いします‼️‼️ 分詞の文法が分かりません> <‪💧‬解答だけでもお願いしたいです🙇‍♀️🙏

7 分詞 1 空所に入る最も適当な語句を答えなさい。 166 167 There is a weekly brass band concert, ( weather is permitting 3 weather permitting 1) left my umbrella in the train, I got wet in the rain. 2 To be 3 To have Being 168 Bill was the only person ( 169( 170 What happened to Taro? He seems to ( 1 shock 2 shocked 171 They were ( amaze ) in the car accident. being injured 2 injuresmorl bo injured 79170 254 injuring foodse 100) in plain English, the book is suitable for beginners. Writing 2 Written 3 Having written 172 All things ( 175 ( 3 considering having considered 173 I've got a surprise. Keep your eyes ( 1 close 2 closing to close 174 Mary's parents seemed ( ) at the singer's fantastic voice. 2 amazedynille amazing of ), everybody can say this result is correct. 2 to consider relief Tre and wo? relieved 178 There is nothing ( embarrassment 2 weather will be permitting 4d weather permits Jnslia boniemen 4 176 He was lost in thought with his 1 close 2 closed KISV 150) by something. 3 be shocking eyes ( 4 Having ) his mistake, John decided to apologize to his parents. Had realized 2 Realized 3 Has been realizing li jarli ne ). 3 closing considered onod \ gniwonal (東京造形大) 4 To write t 4 4 be shocked (京都産業大) 静岡県立短大) matomy(東北工業大) 4mamazement (札幌大) ) to hear that her plane was on time. ( 聖マリアンナ医科大) to relieve 3 relieving Monty ) until I tell you to open them. ( 桜花学園大 ) close to have clo closed 3 4 od of brusque invasiq 280dy to IA to close (金蘭短大) 177 Do know that woman over there, the one (de ) in the white blouse? you mimidi won of w rol hatnicareant 27 11 1 to dress dressing 3 dressed 4 dresses ( 桜花学園大 ) (南山大) 4 Realizing ( 桜美林大) 南山大) ) about asking for help when you are in trouble. (関西学院大) embarrassing 3 embarrassed 4 embarrass 21 7 一分詞 分 詞

未解決 回答数: 1
TOEIC・英語 大学生・専門学校生・社会人

答えを教えてください! よかったら,根拠も教えてください

la vitbl Questions 4-7 refer to the following letter. January 10 Ms. Erin Murphy Customer Service Department Westcoast Airlines Major Miles Program 345 Brook Street Dallas, TX 75218 Dear Ms. Murphy, As per your request during our telephone conversation on January 8, I am sending you Los Angeles International Airport last December. Please note that my ticket was upgraded itinerary and ticket number for my recent roundtrip flight from JFK International Airport business class with a Major Miles Gold Class voucher and should therefore be eligible f full business class mileage credit. 62 Section Il over 15 years. I must confess that I find the new restrictions to your flight voucher pla I am a Gold member in the Major Miles program and have been a Westcoast customer 1 genuinely confusing. I fail to understand why the burden of proof for my mileage cred rests with me. Shouldn't this information be on your ticketing computer? This was my itinerary. MD My ticket number was #YB42565697. Departed JFK, December 22 at 10:20 for LAX Returned to JFK from LAX on December 29 at 16:40 My seat number was 14B. 7B My Major Miles number is # 04356721 (Gold Card). I sincerely hope that this issue will be resolved quickly as I am counting on my miles eame during this trip to upgrade my hotel room next May. Thank you very much for your attention in this matter. Sincerely Yours, Jarrod Watkins Jarrod Watkins 4. 5. 6. What does Ms. Murphy do? (A) She makes airline reservations. (B) She deals with unhappy customers. (C) She issues new tickets. (D) She upgrades people to business class. What is the purpose of this letter? (A) To upgrade his ticket to business class (B) To buy a flight upgrade coupon (C) To complain about his seat reservation (D) To receive more mileage credits How does Mr. Watkins feel about the new frequent flier program rules? (A) He would like them to be simpler. (B) He believes they are unfair. (C) He finds them to be convenient. (D) He hopes that they will benefit hold Card members more. Which of the following is NOT mentioned in the letter? (A) His ticket number (B) His frequent flier level (C) His credit card number (D) His flight information inq M:8 big en enthovenot cold w lar hud,mq 01X in jord is di Hal Unit 2: Letters, E-mails, & Text message chains 63

回答募集中 回答数: 0