Calculate the mass in grams of carbon dioxide produced by the complete combustion of 2.0 L of C2H2 at STP. 2 C2H2(g) + 5 O2(g) —> 4 CO2(g) + 2 H2O(g)

Answer should be written as X. X g CO2

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

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

All of the following are part of the biosphere except