A balloon has equal moles of H2, N2, Cl2, and F2 gas particles. If the balloon has a total pressure of 2atm, a volume of 3L, and a temperature of 300K, how many moles of H2 gas particles are there?

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

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?