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3 years ago

11

What is the weight of dark matter

2 answers:

lesya692 [45]3 years ago

7 0

The answer is 1 micrograms u could of google it anyways

Ostrovityanka [42]3 years ago

3 0

Answer:

Knowing this, researchers from the University of Southern Denmark decided to investigate the size of these hypothetical hidden particles. According to the team, dark matter could weigh more than 10 billion billion (10^9) times more than a proton.

Explanation:

If this is true, a single dark matter particle could weigh about 1 microgram, which is about one-third the mass of a human cell (a typical human cell weighs about 3.5 micrograms), and right under the threshold for a particle to become a black hole.

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Explain what causes air pressure:

Sidana [21]

Gravity pulling the mass of the atmosphere toward the center of the earth. Atmosphere includes air, water vapor, etc.

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3 years ago

Read 2 more answers

1. Marisa determined the melting point of a substance to be 24.5C. Find the percent error of her measurement if the actual melti

USPshnik [31]

Answer:

$\%\ Error = 21.5\%$

Explanation:

Given

$Measured = 24.5$

$Actual = 31.2$

Required

Determine the percentage error

First, we need to determine the difference in the measurement

$Difference = |Actual - Measured|$

$Difference = |31.2 - 24.5|$

$Difference = |6.7|$

$Difference = 6.7$

The percentage error is calculated as thus:

$\%\ Error = \frac{Difference * 100\%}{Actual}$

$\%\ Error = \frac{6.7 * 100\%}{31.2}$

$\%\ Error = \frac{670\%}{31.2}$

$\%\ Error = 21.4743589744\%$

$\%\ Error = 21.5\%$ <em>approximated</em>

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3 years ago

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Eva8 [605]

Answer:

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2 years ago

Identify which sets of Quantum Numbers are valid for an electron. Each set is ordered (n,ℓ,mℓ,ms).

skad [1K]

3,2,0,1/2

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3 0

3 years ago

What would you do to change a saturated solid/liquid solution to an unsaturated solution

Semenov [28]

Explanation:

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When the saturated solution is diluted by addition large quantity of solvent it changed to an unsaturated solution.

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An unsaturated solution is a solution in which has the ability to dissolve more solute.

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3 years ago