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Abigail Herron

Abigail H.

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ANSWERED

Jennifer Hudspeth verified

Numerade educator

Fill in the missing part of this equation. (21. µg/dL) . ? = ? g/mL

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ANSWERED

Jennifer Hudspeth verified

Numerade educator

Fill in the missing part of this equation. (1.2 ? ) (10^-3 L / 1 mL) (67.54 g/mol) = 0.081 g/mL

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ANSWERED

Jennifer Hudspeth verified

Numerade educator

Fill in the missing part of this equation. (-8.2 x 10^4 kgâ‹…m/s)â‹… ? = gâ‹…cm/s

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INSTANT ANSWER

Suppose a new airship Star of Balogna will have the shape of a cylinder 100m long, with a radius of 15 , and will weigh 9550kg without any gas inside it. Suppose also the average passenger weighs 79kg. Calculate how many passengers the Balogna could carry if it were filled with hydrogen, and also if it were filled with helium. Hydrogen = 0.09kg/m^3 Helium = 0.18kg/m^3

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INSTANT ANSWER

A sample of X is carefully weighed and put inside a vented flask. Water is added to the flask until it just covers the sample, and the volume of sample and water is recorded. Then the sample is removed and the volume of water alone recorded. From the mass of the sample and the difference in volumes, the value of R may be calculated. Physical or chemical change

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Nicole Smina verified

Numerade educator

thoughtful

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Susan Hallstrom verified

Numerade educator

Element 3 is a hard silvery-gray solid. A small 10g cube of it is tapped lightly with a small hammer. This causes one of the corners of the cube to be dented in. Is this a metal, non-metal or cant decide?

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