I have a very lucrative offer for you if you answer the questions: The volume of a 67.2-gram sample of platinum with a density of 21.5 g/cm3 is

The diagram below represents information that can be found on the periodic table for the element argon. The mass number for an argon isotope is represented at: (graph is attached)

The sum of the atomic mass values of the atoms in a chemical formula is known as the

Using the table for reference, find the formula mass for nitric acid, HNO3. (table is attached)

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

If you want to create an electrical current, which situation would produce a solution capable of this

The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.