Astudent places 1.38 g of unknown metal at 99.68c into 60.50 g of water at 22.18c. the entire system reaches a uniform temperature at 31.68c. calculate the specific heat of the metal.

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

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