Chemistry, 18.02.2021 14:00 torybobadilla
A helium balloon has a volume of 36 L. The pressure of the helium gas in the balloon is 132 kPa and its temperature is 27 degrees Celsius. How many moles of helium are in the balloon?
Answers: 3
Chemistry, 22.06.2019 07:00, maryjane8872
Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
Answers: 1
Chemistry, 22.06.2019 21:00, estherdinhllama
Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.
Answers: 1
Chemistry, 22.06.2019 23:00, lilsnsbsbs
What is the oxidation state of an individual bromine atom in nabro3?
Answers: 2
Chemistry, 22.06.2019 23:40, tilievaughn14
What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.
Answers: 1
A helium balloon has a volume of 36 L. The pressure of the helium gas in the balloon is 132 kPa and...
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