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3 years ago

Who can witness a lunar eclipse?

Chemistry

2 answers:

larisa86 [58]3 years ago

5 0

Answer:

all people on the night side of Earth

Explanation:

Lunar eclipse, also known as eclipse of the moon is a phenomenon that takes place when the sun, the earth and the moon are closely aligned. The earth comes in-between the moon and the sun, blocking the rays of the sun from reaching the moon in the process.

The eclipse which can only happen on a night with full moon makes the moon to appear faded or appear or reddish in color (blood moon).

Lunar eclipse can be viewed by anyone that is on the night side of the earth when the event occur, although viewing it requires some efforts

inessss [21]3 years ago

3 0

people in a specific area of Earth’s surface covered by the Sun’s shadow

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What do sodium and magnesium have in common?

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3 years ago

What is a logical way that you could begin to investigate why your tire had low air pressure? Look to see if there is a hole in

MrRissso [65]

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3 years ago

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The ions in most ionic compounds are organized into a

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3 years ago

Complete and balance the molecular equation for the reaction of aqueous sodium carbonate, Na 2 CO 3 Na2CO3 , and aqueous nickel(

antoniya [11.8K]

Answer: The net ionic equation is written below.

Explanation:

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.

The chemical equation for the reaction of sodium carbonate and nickel (II) chloride is given as:

$Na_2CO_3(aq.)+NiCl_2(aq.)\rightarrow 2NaCl(aq.)+NiCO_3(s)$

Ionic form of the above equation follows:

$2Na^{+}(aq.)+CO_3^{2-}(aq.)+Ni^{2+}(aq.)+2Cl^{-}(aq.)\rightarrow NiCO_3(s)+2Na^+(aq.)+2Cl^-(aq.)$

As, sodium and chloride ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

$Ni^{2+}(aq.)+CO_3^{2-}(aq.)\rightarrow NiCO_3(s)$

Hence, the net ionic equation is written above.

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4 years ago

A student titrates 10.00 milliliters of hydrochloric acid of unknown molarity with 1.000 m naoh. it takes 21.17 milliliters of b

Dima020 [189]

Mole ratio for the reaction is 1:1
no of moles in NaOH that reacted= 1*21.17/1000=0.02117mols
molarity of HCl=0.02117*10/1000
=2.117M

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3 years ago