Aresistor in a circuit has a current through it of 0.20 a when the potential difference across is 15v. calculate the resistance of the resistor

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

4. a 75.0 g piece of ag metal is heated to and dropped into 50.0 g of water at the final temperature of the mixture is what is the specific heat capacity of silver? 5. a 465 g chunk of iron is removed from petrucci, ralph h.. general chemistry (p. 290). pearson education. kindle edition.