Which of the following pairs does not share the same empirical formula?

a.) ch2o and c3h6o3
b.) pbcl2 and pbcl4
c.) no2 and n2o4
d.) c3h12 and ch4

Describe the development of french settlements and beginning of conflict with the native americans near the st. lawrence river.

Read this brief excerpt from the declaration: we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness in a two- to three-paragraph essay, define in your own words the meaning of the unalienable rights of life, liberty, and the pursuit of happiness. in your response, make sure to address whether these rights apply to ideals or issues that are important in today’s world.

Which fact would this be, and how might you verify the truth?