A 10.0 g nugget of pure gold absorbed 550 J of heat. What was the final temperatures of the gold if the initial temperature was 21 °C . The specific heat of gold is .129 J/g°C?

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

How many grams of n2h4 will be consumed by 23 g of n2o4

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial