Khi thực hiện phản ứng giữa 0.5 mol NaoH và 0,5 mol HCL thì tỏa ra 1 lượng nhiệt là 28kJ. Khi cho 200ml dung dịch HCL 0,4M phản ứng với 300ml dung dịch Ca(OH)2 0,1M sẽ tỏa ra một lượng nhiệt là bao nhiêu?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.