Chemistry, 21.04.2021 21:50 mariakelley15
Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass of helium, expressed in grams, does this balloon contain? Show your work please!
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Write a net ionic equation to show that hydrofluoric acid, behaves as an acid in water.
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This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?
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Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
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The melting point of sulfur is 115 °c and its boiling point is 445 °c. what state would sulfur be in at 200 °c?
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Your mommy buys you a helium balloon at the circus. It has a volume of 4.00 liters at STP. What mass...
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