Cho 10 gam hỗn hợp Mg và Mg tác dụng với dung dịch HCl. Sau phản ứng thu được 3,36 lít khí (đktc) hãy: a/ Tính khối lượng mỗi chất có trong hỗn hợp

.b/ Tính thể tích dung dịch HCl 36%( D bằng 1,18 g/ml )để vừa đủ hòa tan hỗn hợp đó

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory