Chemistry, 28.08.2021 14:00 amoakoh800003
Hoà tan hoàn toàn 8g một axit kim loại A chưa biết hoá trị cần dùng vừa đủ 400ml dung dịch HCL 1M . Xác định công thức hoá học của oxit
Answers: 3
Chemistry, 22.06.2019 17:30
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
Answers: 2
Chemistry, 23.06.2019 11:00
The standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) → 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. the standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. 2.36 2.24 2.21 2.51 2.04
Answers: 2
Hoà tan hoàn toàn 8g một axit kim loại A chưa biết hoá trị cần dùng vừa đủ 400ml dung dịch HCL 1M ....
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