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3 years ago

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Imagine that the moon’s orbit wasn’t elliptical and it that it did not orbit the earth at a 5 degree angle. How would this chang

e the predictability of an eclipse happening every month?

2 answers:

zimovet [89]3 years ago

7 0

Lunar eclipse will happen each month, because of this.

Readme [11.4K]3 years ago

4 0

Answer:

Without the tilt, lunar eclipse will happen every month.

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BALANCE the following equations then write the NET IONIC EQUATION for each one: ____Ni(NO 3 ) 2(aq) + ____NaOH (aq) →

Karo-lina-s [1.5K]

Answer:

Ni(NO3)2 + 2NaOH → Ni(OH)2 + 2NaNO3

NET IONIC EQUATION :

Ni +2(aq) + 2(NO3) -1(aq) + 2Na +1(aq) + 2OH -1(aq)

→ Ni(OH)2 (s) + 2Na +1(aq) + 2(NO3) -1(aq)

sorry there is no space to write the reaction in one line...

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3 years ago

Which of the following is a chemical property?

ad-work [718]

The first one is D hope it helps!

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3 years ago

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Draw the products of the complete hydrolysis of an acetal. Draw all products of the reaction.

jolli1 [7]

Answer: the product is ketone or aldehyde

Explanation:

The first step is the conversion of acetal to hemiacetal in the presence of H3O+/ ROH, and then the final conversion of hemiacetal to ketone/aldehyde using

H3O+/ ROH...

Attached is the structural conversion

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3 years ago

Interstellar space has an average temperature of about 10 K , and an average density of hydrogen atoms of about one hydrogen ato

Bas_tet [7]

Answer:

$2.2508\times 10^{19} m$ meter the mean free path of hydrogen atoms in interstellar space.Explanation:

The mean free path equation is given as:

$\lambda =\frac{1}{\sqrt{2}\pi d^2 n}$

Where"

d = diameter of hydrogen atom in meters

n = number of molecules per unit volume

We are given: d = 100 pm = $100\times 10^{-12}= 10^{-10} m$

$n = 1 m^{-3}$

$\lambda =\frac{1}{\sqrt{2}\pi (10^{-10} m)^2\times 1 m^{-3}}$

$\lambda =2.2508\times 10^{19} m$

$2.2508\times 10^{19} m$ meter the mean free path of hydrogen atoms in interstellar space.

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3 years ago

Nuclear Processes Unit Test

Finger [1]

Answer:

?

Explanation:

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3 years ago

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