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valentinak56 [21]
3 years ago
11

What if you measured 15cc of liquid elemental mercury, how much would that weigh in pounds

Chemistry
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

0.447 pounds

Explanation:

The density of Mercury in grams/mL is 13.55 - I multiplied that by the volume and got approximately 203.25 grams, I then turned it into Kilograms and multiplied by 2.2 lbs / kg.

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Name the element described in each of the following:
musickatia [10]

Period  4  transition  element  that  forms  2+  ion  with  a  half‐filled  d  sub level  is
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What is the half-filled d sub-level?

Transition metals are an interesting and challenging group of elements.  They have perplexing patterns of electron distribution that don’t always follow the electron-filling rules.  Predicting how they will form ions is also not always obvious.

Transition metals belong to the d block, meaning that the d sublevel of electrons is in the process of being filled with up to ten electrons.  Many transition metals cannot lose enough electrons to attain a noble-gas electron configuration.  In addition,  the majority of transition metals are capable of adopting ions with different charges.  Iron, which forms either the Fe2+ or Fe3+ ions, loses electrons as shown below.

Some transition metals that have relatively few d electrons may attain a noble-gas electron configuration.  Scandium is an example. Others may attain configurations with a full d sublevel, such as zinc and copper.

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2 years ago
In general, in which direction does wind blow?
andriy [413]
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3 years ago
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Hydrogen 3 has a half life of 12.32 years a sample of h-3 weighing 3.02 grams is left for 15.0 years what will the final weight
yawa3891 [41]

Answer:

The final mass of sample is 1.3 g.

Explanation:

Given data:

Half life of H-3 = 12.32 years

Amount left for 15.0 years = 3.02 g

Final amount = ?

Solution:

First all we will calculate the decay constant.

t₁/₂ = ln² /k

t₁/₂ =12.32 years

12.32 y =  ln² /k

k = ln²/12.32 y

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Now we will find the original amount:

ln (A°/A) = Kt

ln (3.02 g/ A) = 0.05626 y⁻¹ × 15.0 y

ln (3.02 g/ A) = 0.8439

3.02 g/ A = e⁰°⁸⁴³⁹

3.02 g/ A = 2.33

A = 3.02 g/ 2.33

A = 1.3 g

The final mass of sample is 1.3 g.

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Which statement most completely defines a wave? *
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Answer:

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