Asalt is dissolved in water, which has a freezing point of 0 degrees celsius. the freezing point of the solution will be

a. greater than 0 degrees celsius
b. less than 0 degrees celsius
c. exactly equal to 0 degrees celsius
d. you cannot predict a change in freezing point.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units