Precautions to be taken in PH measurement
Of a colorless solution using a universal indicator

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

Which best describes how johannes kepler developed his laws of planetary motion

How does a hydroelectric power plant converts energy into energy.