No of moles = given mass ÷ molecular mass
n = 55.98 ÷ (12+19×2+35.5×2)
CO2 will be the first to boil because it will be the first to warm up because it is the closest temperature to 0
Hi , the answer is D because the moon is blocking the sun s rays .
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To determine a planet's mass, astronomers typically measure the minuscule movement of the star caused by the gravitational tug of an orbiting planet. For planets the massof Earth detecting such a tiny tug is extraordinarily challenging with current technology
