You perform a combustion analysis on a 255 mg sample of a substance that contains only C, H, and O, and you find that 561 mg of CO2 is produced, along with 306 mm of H2O. if the substance contains only C, H, and O, what is the empirical formula if the molar mass of the compound is 180 g/mol what is the molecular formula of the compound

the world heritage committee has divided the worlds countries into five geographic zones ( rewrite with present perfect continuous tense)​

name the profile of you started candy separated constitutional crystal for​

When is a fraction irrational? Select one: a. when it is negative b. when it is improper c. never d. when it's a mixed number

As you search for the best focus and scope for an essay, you zoom in and out of an imaginary map of a topic. Choose a general topic and describe the "map" as it would look from a zoomed out and a zoomed in perspective. Its for my English class.

Simplify: dfrac (a)(3)+a

While it makes a difference how much wine a person consumes in their risk for cancer, it does not make a difference how much a person smokes. true or false.

what are the three type of twins​

निम्नलिखित त्रिकोणमितीय पहचान साबित करें (8-33) 24.0 c ( tan theta) ( sec theta ) + c ( tan theta) ( sec theta + 1) = 2 ec theta

a example of past indefit tense​

s=10.50h what is the constant of proportinality