Chemistry, 03.03.2021 05:50 ritahastie2896
A substance has a mass of 50g and a volume of 2mL. What is the density?
What is the formula you will use?
What is the answer?
Answers: 1
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Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as
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Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.
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What metric units would you use to measure the thickness of a key
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A substance has a mass of 50g and a volume of 2mL. What is the density?
What is the formula you wil...
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