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自然 國中

請問下面兩題要怎麼算阿

( 再試一次 (A) 1. 某生利用一個穩定熱源做測定比熱的實驗,他各取100 公克的水及某液體分別加熱,其溫度的變化與時間的關 係如右圖所示。若某液體和水在同一時間內吸收相同的 熱量,則此液體之比熱為多少卡/克·℃?(水的比熱 為1.00卡/克·℃) (A)0.625 (B) 0.80 (C) 1.24 (D) 1.60 溫度增加量(C) 16 10- 8 某液體 水 0 5 加熱時間 (A) 2. 某生利用穩定熱源做測定比熱的實驗,各取80公克的水和甲液體分別加熱 C 數據如下表。若水和甲液體每分鐘吸收相同熱量,則甲液體的比熱為多少 卡/克·℃? 081(0) OSI (8) 915. 加熱時間(分) 水的溫度(℃) 甲液體溫度(℃) (A)0.3 0 2 4 6 8 10 易幸 20 23 26 29 32 35 20 25 30 35 40 45 (B)0.5 (C)0.6 (D)0.8 請閱讀下列敘述後,回答3.、4.題: 阿民放學後到便利商店買了一包洋芋片,他看了一下其營養標示,如下圖(一)。 想知道裡面的熱量到底有多少,所以將洋芋片進行生物課教過的燃燒實驗,如下圖 (二)。(1kcal=1大卡=1000卡)新曲 TA2M 日维峰 營養標示 實驗 溫度計 每包 DOTATO |熱量(kcal) 解剖針 136 CHIPS® 蛋白質(g) 水— 1.9 20.90 實驗二 一溫度計 解剖針 甘油 脂肪(g) 8.4 ato | 碳水化合物(g) 13.5 |鈉(mg) •洋芋片 200 ~洋芋片 圖(一) 圖(二) ) 3. 實驗一中,他在錐形瓶中放入200g,25℃的水,並取2.4g的洋芋片進行 燒,如果熱量完全轉換成熱能,加熱錐形瓶中的水,則錐形瓶中的水會呈球 麼狀態? (A)上升至50℃ (B)上升至75℃水 (C)上升至93℃ (D)水會沸騰 TA TA CARHO 619 ( ) 4. 實驗二中,阿民換成200g、25℃的甘油進行和實驗一相同操作方式,則錐 瓶中的甘油會呈現什麼狀態?(甘油沸點290℃,比熱0.58卡/公克•°℃) (A)上升至93℃ (C)上升至142.24 ℃ (B) A (B)上升至117.24℃ (D) (D)甘油會沸騰

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英文 國中

想問一下15 21 22看了詳解還是不懂😭

all. T苦的 ere for cup of follow 第二冊 • 單元3 | B2(1)1~2課 67 15 Mom: Oh, no! Your brother forgot his recorder. When_does he have music class? Can you take it to his school? Leon: It's in the afternoon. Don't worry. I'll take it to him. (A) does (B) has (C) did (D) is 16. H ber (A) In the morning. stay (C) Three times a week. MINDY, nove 10 adinom s Lin: How often does your grandma sell vegetables at the market? grugnal won A won Betty: od of sldison ai on to Tre (A) got hurt TE(C) hurt SCH Caleibend sal 17. Daniel can't go mountain climbing with his friends because he yd anobi nodi que of svar avles He can hardly walk right now. olaj (ould) or\,(BOT) 18. It's really cold today. I need a yfish (A) thin BUGS molnig ve Toolkoqe a naɔ wo he (C) thick (A) 19. Hank, one of my classmates, en Nd Bhe(A) enjoys mming with lides. A 2 A Hoping (C) enjoying re was on his side 精熟題大展身手 (A) 20. Louis: What (22) blow sch 1100 sm SVIO VEz yiqine blu esvloems even spent ten thousand dollars buying a limited edition toy car. egled an09 idoT as (B) enjoyed (D) to enjoy (B) For two hours. (D) Before noon. 970.noqisor\\equid of of rund I always do di lumans of side ed of 1005 ai burnoqgs „ano'9 izlo7 rad OE roods vino ni Jail (B) hurt himself (D) was hurt at jullibar 11 blanket to keep warm. (B) cool (D) strange collecting toy cars. He has over thirty of them, and he limited edition FR recorder (A) Don't you? (B) Didn't you? (D) Can't you? (C) Aren't you? 23 Evan: Do you ever go bicycle riding around the lake? Doris: No, Evan: It's fun. Maybe you can give it a try. (A) never your son do? Mrs. Wu: Ride a bike. Besides, he can also roller-skate. bedove (A) can (B) does 現在的事實(現在簡單d (D) will (1) Mrs. Huang: Your sweater is too small. Why don't you buy a new one? (5) Joyce: It means a lot to me. I will think of my mom if I wear it.com (C) Mrs. Huang: No wonder you often wear it. (A) aren't (B) can't G009 (C) didn't Josh: Wow! You got the best grade in math this time. Wendy: I study math for an hour every day. don't you w Josh: Well, I'm not interested in math. (B) I never did (D) very often his feet yesterday. roller-skate no wonder # loT (D) don't JA (A) La To 129881 olguns 101 (0) abriow Todto nl (0) 第二冊

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