关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2022-06-06 All spontaneous reactions are exothermic. A: 正确 B: 错误 All spontaneous reactions are exothermic.A: 正确B: 错误 答案: 查看 举一反三 All exothermic reactions are spontaneous reaction . A: 正确 B: 错误 All spontaneous reactions are exothermic. All exothermic reactions are spontaneous reaction . Reactions that produces a precipitate are all exothermic reactions. Exothermic reactions are faster than endothermic reactions. A: 正确 B: 错误