Cho 17,7 gam kim loại Fe tác dụng với dung dịch HCl loãng, dư thu được V lít khí H2 a) Viết PTHH và tính giá trị
của V
b) Cho lượng Fe ở trên tác dụng với dung dịch H2SO4 đặc nóng, dư thấy thoát ra V1 lít khí SO2. Viết PTHH và tính giá trị của V1

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

City a and city b had two different temperatures on a particular day. on that day, four times the temperature of city a was 8â° c more than 3 times the temperature of city b. the temperature of city a minus twice the temperature of city b was â’3â° c. what was the temperature of city a and city b on that day? city a was 5â° c, and city b was 4â° c. city a was 3â° c, and city b was â’1â° c. city a was 8â° c, and city b was â’3â° c. city a was 5â° c, and city b was â’5â° c.

In a copper wire, a temperature increase is the result of which of the following