Which of these is NOT a mole ratio for the reaction: 2 Al + 3 Br2 à 2 AlBr3 2 mol Al : 3 mol Br2
or
2 mol AlBr3 : 2 mol Br2
or
2 mol AlBr3 : 3 mol Br2

What effect does nuclear radiation have on atoms?

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

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.