求第5題怎麼解，謝謝！

5. ( >24 7 )某金屬(MO的碳酸鹽(MCO)與稀鹽酸作用,產生二氧化碳的反應式如下: p v=nRT MCO3(s) + 2HCl(aq) → MC12(aq) + CO2(g) +H2O(1) 若0.84 克的MCO, 與稀鹽酸完全作用,所產生的氣體,換算成標準狀態的乾燥二氧化碳,恰為224 毫升。M應為 下列哪一種金屬? (A)Be (B)Mg (C)Ca (D)Zn (E)Ba 定溫時,一定量氣體在容器內的壓力為750 mmHg,將一部分氣體抽出後,壓力減為560 mmHg,被抽出的氣體在 latm下占有的體積為150 mL,設溫度不變,則該容器之體積為若干 mL? (A)1500 (B)600 (C)500 (D)193 (E)152 b/s > “你 7 1 Lett 曲目: * - 一个月,

我是今年要高二的三類生，想請問各位學長姐有沒有推薦化學、物理、生物的講義，觀念清楚，題目也蠻多的，難度盡量不要太難，感謝🙏

請問14題是固定用法嗎

1 People enjoy chocolate,but chocolate turns out to be the third most common cause of Poisoning im dogs. Certain chemicals in chocolate, 1]1 caffeine and theobromine, can cause Irmregular heartbeats. In large enough doses, these chemicals can even be fatal to a dog. The toxic 一threshold is about two ounces of milk choeolate per kilo of body weight. Many dog owners, 12, think that the proportion ofthe amount ofehoeolate to the body weight is far less than to be worried.、 Many even doubt that dogs may not eat __1322mueh choeolate 公信getthemselves poisoned. The fact is, it's not uncommon for a dog to consume chocolate 14 one-tenth its body weight. As aresult, around holidays such as Easter Sunday, Halloween and Christmas when many dogs can get unlimited access to chocolate bars, crackers and all sorts of sweets because many owners _ 堆。 share their snacks with them, there are_more cases of canine chocolate poisoning 和 多favorably_。。 和notably (Qpractically 人@additionally 次 (A in addition (Bincase (C) therefore (D nevertheless that 0 so Qvery 人as ighing 人0 weighed 5 umwittingly -。 回unwillingly @ unexpectedly 。。 0 undoubtedly 過 「 第基至 全 2

急 為什麼這裡是用have bothered?

點 Shop owner served ice cream with the floats chocolate sauce on top. 加 Some people wanted to call tt an “ice cream Sunday,”but this migmt mgxe5 eegedlaChristians. So, the speling was changed to “Sundae.?” 和窟芭 況? as 61 He this story is true.twr 6o0 Regardiess , It's 5人全六 tfhat a sundae must ha en 天S 3 unusual name from this kind ot evemt, 4 了人轉訪全用