Which formula is an empirical formula? (1) ch4 (2) c2 h6 (3) c3 h6 (4) c4 h10

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

How do you convert celsius to kelvins

Most points for whoever anwers i need your which is not an isotope of carbon? a. carbon-6 b. carbon-12 c. carbon-13 d. carbon-14