The road trip you and your friend are planning is 1430km on way. What is the cost of the gasoline in US dollars for the round trip if fuel price is 1.403 euros per liter? 0.91 euro=1.00 dollar

Helium decays to form lithium. which equation correctly describes this decay?

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

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?