Chemistry, 15.06.2021 17:30 raedusty3200
Cho 8.9g hỗn hợp kim loại magie và kẽm tác dụng hoàn toàn 200ml dung dịch Axitsunfuric nồng độ 1M thu được 4.48 lít Hidro (đktc) và hỗn hợp hai muối. Tính khối lượng hỗn hợp muối thu được
Answers: 1
Chemistry, 21.06.2019 20:10
Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
Answers: 2
Chemistry, 23.06.2019 08:30
If you had to research a particular disease or area of concern in veterinary medicine and science, which one would you choose? why?
Answers: 1
Cho 8.9g hỗn hợp kim loại magie và kẽm tác dụng hoàn toàn 200ml dung dịch Axitsunfuric nồng độ 1M th...
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