A child uses her hand to measure the width of a tabletop. Her hand has a width of 8.1 cm at its widest point, and she finds the table top to be 15.5 hands wide. What is the width of the tabletop in cm?

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

J. j. thomson’s experiment disproved the theory that an atom

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.