The components of vectors A and B are given as follows: Ax = 7.6
Bx = -5.1
Ay = -9.2
By = -6.8
What is the magnitude of the vector difference B - À?

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

In a voltaic cell, electrons flow from the (positive/negative) to the (positive/negative) terminal.

Which of the following statements are true for an isothermal process? check all that apply. - during an isothermal process, the work done by the gas equals the heat added to the gas. - during an isothermal process, the internal energy of the system changes. - an isothermal process is carried out at constant temperature. - an isothermal process is carried out at constant pressure. - an isothermal process is carried out at constant volume.