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Cerrena [4.2K]
3 years ago
11

You work for NASA and an engineer. Your supervisor is thinking of building a space station instead of a

Physics
1 answer:
expeople1 [14]3 years ago
3 0
Heosndıxnzjdndkdnfmfmfjfmcbvdkfmdj ı dont under stand but ı am dont write
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What effect would the incomplete drying of a sample (for example, the incomplete removal of a recrystallization solvent) have on
antiseptic1488 [7]

Answer:

The melting point will be lowered and broadened.

Explanation:

The melting point of a substance is the temperature at which the substance changes state from solid to liquid. The incomplete drying of a sample may result in the presence of impurities. There is presence of solid sample in the solution that fails to dry. The solid sample is not fully crystallized from the solvent or any other liquid with which it can form a true solution. The presence of these impurities in a sample for example, the incomplete removal of a recrystallization solvent cause the melting point to both lowered and broadened.

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3 years ago
What is the final temperature when 50 g of water at 20°c is mixed with 75 g of water at 60°c
tatyana61 [14]
44C i think. Do you have options for the answer?
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4 years ago
A star's parallax angle is 0.8. How far away is the star in parsecs? Astronomy
kramer

Distance= 1/arc seconds

1/.8= 1.25 parsecs away

3 0
3 years ago
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Gauss's law combines the electric field over a surface with the area of the surface. From Coulomb's law we know that the electri
Romashka-Z-Leto [24]

The change in surface area of Gaussian surface with radius (r) is 8πr.

<h3>Electric field from Coulomb's law</h3>

The electric field experienced by a charge is calculated as follows;

E = \frac{Q}{4\pi \varepsilon_o r^2}

where;

  • E is the electric field
  • Q is the charge
  • r is the radius

The electric field reduces by a factor of \frac{1}{r^2}

<h3>Surface area of a Gaussian surface;</h3>

The surface area of a sphere is given as;

A = 4\pi r^2

<h3>Change in area with r</h3>

\frac{dA}{dr} = 8\pi r

Thus, the change in surface area of Gaussian surface with radius (r) is 8πr.

Learn more about area of Gaussian surfaces here: brainly.com/question/17060446

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2 years ago
A bullet travels at 870 m/s. How long will it take a bullets to go 1 m?
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