Chemistry, 21.05.2021 19:40 arianna2814
4. Just before a thunderstorm, a student fills a balloon with a volume of 22.4 Liters of Helium at temperature of 24.5 °C and 0.97 atm of pressure. Determine how many moles of Helium are contained in the balloon.
Answers: 3
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The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?
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The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
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Why is permeable soil best for plants that need a lot of drainage?
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Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
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4. Just before a thunderstorm, a student fills a balloon with a volume of 22.4 Liters of Helium at t...
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