問題詳情
36.小誠刑警的推斷依據：「瓦斯罐中的丁烷只使用了 m 公克，若完全燃燒，只需要 n 公克的氧氣。家中的氧氣量不可能不足，就算真的不足，產生的一氧化碳量也不足以致命。」m =＿＿＿＿＿， n =＿＿＿＿＿ 。(各3分，需有算式才給分)
參考答案
無參考答案
內容推薦
- 16 The________ date for a medicine is the last date that the manufacturer guarantees the medicine is
- 23 New research suggests that our memory can be improved when we give our brain the chance for acomp
- 如圖，直角△ABC中，∠B＝90°、∠A＝60°，G點為其重心，若＝6，則BG＝ (4) 。△ABC的內切圓半徑為 (5) 。
- 【題組】丁烷的燃燒屬於下列何種反應？＿＿＿＿＿ 。(2分)(甲)吸熱的氧化反應 (乙)放熱的氧化反應 (丙)吸熱的還原反應 (丁)放熱的還原反應。
- 6 She is such a lovely,__________ , and passionate lady that everyone likes to chat with her.(A)hone
- 15 One advice for traveler is plan your_______ ahead of time, but also prepare to be flexible.(A)dis
- 計算下列各式的值：【題組】(1)＝_____ 。
- 【題組】丁烷燃燒的化學反應式： C4H10 + O2→ H2O + CO2 (未平衡)，其平衡係數比為何？(請寫出最簡單整數比) ＿＿＿:＿＿＿:＿＿＿:＿＿＿。(4分，全對才給分)
- 5 When it comes to cancer_________ , it is well known that we should avoid eating too many sweetsand
- 求解一元二次方程式，x＝ （9） 。
內容推薦
- 24 As flying becomes increasingly time-consuming and less attractive, a new London-to-Amsterdamrail
- 17 Firms that are less productive will go out of business. This creates an_________ for firms to be
- 8 The police have not _______that the man in the car accident is indeed the suspect of the bankrubbe
- 【題組】小誠刑警在陽台發現的湯鍋只經過兇手匆忙沖洗，內部有些許殘留的木炭和焦黑痕跡，但是將木炭刮開後，原本被覆蓋的金屬部份卻異常閃亮，請推測這個現象發生的可能原因。(4分)
- ( )農夫將收割後留在田裡的稻草燒成灰，當作肥料，又可以中和土壤的酸鹼性，稻草灰中可以作肥料，又可以中和土壤酸鹼性的成分是什麼？ (A)氯化鈉 (B)碳酸鉀 (C)硫酸鈉 (D)氯化鉀。
- 25 Staying safe when skiing or snowboarding in the mountains is crucial and an important part of tha
- 18 We ordered two_________ , chicken wings and Mozzarella sticks, salad and soup before the maindish
- 9 Tourists must have_____________ passport before they apply for visas.(A)void(B) valid (C) vacant (
- 下列何者不包括在本學期數學的課程內容裡？(A)乘法公式(B)因式分解(C)解一元二次方程式(D)等差數列
- ( )將36公克的葡萄糖（C6H12O6）以蒸餾水100毫升溶解後再稀釋至500毫升，則此葡萄糖溶液的莫耳濃度為多少？(A)0.4M (B)0.2M (C)0.1M (D)0.25M
- 26 A simple “Please,” “Thank you,” and “I’m sorry” in the local language_________ a long way whenyou
- 19 When travelling with delicate or breakable objects, you′d better declare them as ___________. The
- 10 John dragged the injured woman out of the kitchen while Jack used a fire __________to fight the f
- 50 下列那一個標章代表交通部觀光局頒訂的合法民宿？(A) (B) (C) (D)
- ( )(甲)凡是酸在水中均可以解離出氫離子；(乙)在相同體積時，純硫酸中的H＋比稀硫酸的H＋多；(丙)溶解度大的酸叫作強酸；(丁)紅色石蕊試紙遇酸不會變色。上述哪些正確？ (A)僅甲丁 (B)僅
- 27 A medical emergency can cost you a lot of money. It is suggested that you buy travel ________befo
- 20 It was a__________ night for travelers at Miami International Airport. Thousands of inboundpassen
- 11 It was only a four-hour drive to cross the desert and reach the costal city, but we ran out of ga
- 2 It is very kind of you to give me a _________to the airport.(A)leave (B) seat (C) ride (D)take
- ( )下列有關化學反應速率的敘述，何者錯誤？ (A)將一個正立方體的固態反應物平均切割成64個小立方體，其他條件不變，反應速率將變為原來的4倍 (B) 40℃時的反應速率必為20 ℃時的2倍 (
- 28 Gansu’s__________ landscapes include the Gobi Desert, the Yellow River, numerous mountainformatio
- ( )下列有關擴散現象的敘述，何者錯誤？ (A)溶質的粒子會在溶液中由濃度高處往濃度低處移動 (B)最後溶質粒子會均勻的分布在溶液中 (C)當溶質粒子均勻的分布在溶液中時，溶質粒子即停止運動 (
- 12 On August 31, 2017, Britain paid tribute to Princess Diana on the twentieth _______of her death.S
- 3 The flu is sending people to hospitals almost everywhere in the country. Several hospitals have se
- 請根據下圖【題組】0判斷甲、乙、丙、丁四地何處的氣壓值最大？(A)甲 (B)乙 (C)丙 (D)丁