[单选题]
The Maxwell-Boltzmann d0k+d6mhrv zv /u+nt ( isr4uq,istribution plot below is for the s3 fp2ofo4du 3ktadj 4;86npwwame substance with the same concentration at different temperatures4k wfdond6fp3uo2 t; a38jpw4. Which statement is correct about the total number of molecules for each temperature?
A. There are more molecules at low temperatures
B. There are more molecules at high temperatures
C. The number of molecules depends on the temperature
D. The number of molecules remains the same
参考答案: D
本题详细解析: D
The number of molecules remains constant. Temperature only changes the particles’ kinetic energy; when temperature increases, the kinetic energy of the particles also increases.
