Dalam termodinamika, kita mengenal sistem dan lingkungan. Apa yang dimaksud dengan sistem dalam ilmu termodinamika

Alice added sodium chloride to water and stirred the water for several minutes. alice is most likely trying to demonstrate that ionic compounds a. are hard. b. can dissolve. c. are clear. d. can melt.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Four friends, a, b, c, and d are standing varying distances away from a speaker which is producing sound waves.