A mixture of argon and neon has a measured gas density of 1.66 g / L at STP. Assuming ideal‑gas behavior, what is the average molar mass of the mixture?

What is the number of electrons shared between the carbon atoms in a molecule of ethane

Which factors are most likely to limit population growth in cloud forests? High temperature and excessive moisture Low temperature and high rainfall Excessive moisture and lack of sunlight Lack of moisture and excessive sunlight

If a substance cannot be separated physically it is?

What is the mass of a sample of glucose (C6H12O6), in kg, if there are 2.75x10^25 molecules present? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e. g. 2.5E5 for 2.

What mass of sodium nitarte can be dissolved in 200g of water at 30°c?

A runner at a track meet completes exactly one lap around a 400 m track. what is the distance? what is the displacement?

Match the following with their correct molecular weight. 2-butanone Propyl acetate 4-methyl-2-pentanone Butyl acetate Methanol Ethanol A. 46.07 g/mol B. 116.16 g/mol C. 102.13 g/mol D. 100.16 g/mol E. 32.04 g/mol F. 72.11 g/mol

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Explain how using dimensional analysis could have prevented this crash

Is material that has a density of 0.2g/ml good for building a bridge or for making couch cushions