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umka2103 [35]
3 years ago
14

Which type of change is represented?

Chemistry
1 answer:
pentagon [3]3 years ago
4 0
The correct answer is A. The image shows a nuclear fission. This takes place in any of the heavy nuclei after capture of a neutron. This is the opposite of nuclear fusion. In this case, nuclei are broken down into two.
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A surplus (having “extra”) or deficit (having “fewer”) of electrons?
Nikolay [14]

Answer:

Charge

Explanation:

A surplus (having "extra") or deficit (having "fewer") of electrons possessed by an object. A charge can cause attractive or repulsive forces which can be observed in some cases (e.g. pith balls, bits of plastic).

7 0
3 years ago
How many milliliters of a 10.6 M NaOH solution are needed to prepare 0.715 L solution of NaOH with a concentration of 0.550 M?
dusya [7]

Answer:

37.1mL

Explanation:

This is a simple dilution problem where you utilize the equation:

(C=Concentration, V=Volume)

C1V1=C2V2

10.6(y)=0.715x0.550 (Y is unknown because we are trying to find how much of the original solution we need to dilute to make the final solution)

The solve for y and you get

y= 0.0317 L but this is in L and we want mL so multiply by 1000 you get

y= 37.1mL

7 0
3 years ago
What is the speed of light multiplied by an astronomical unit
horsena [70]

Answer:4.48483134×10 to the power of 19 m to the power of 2/s

Explanation:

You should work it out some and see

8 0
3 years ago
Read 2 more answers
Describe how oxidation and reduction involve electrons, change oxidation numbers, and combine in oxidation reduction reactions
borishaifa [10]

Answer: Oxidation is defined as the reaction in which there is loss of electrons. It is accompanied by increase in oxidation number.

Zn\rightarrow Zn^{2+}+2e^{-}

Zinc in solid state has oxidation number of zero and on losing electrons changes to Zn^{2+} with oxidation number of +2.

Reduction is defined as the reaction in which there is gain of electrons. It  is accompanied by decrease in oxidation number.

2H^++e^{-}\rightarrow H_2

Hydrogen ions with +1 oxidation state gains electrons and converts to molecular hydrogen with oxidation state of zero.

In the given redox reaction, both oxidation and reduction takes place. They go hand in hand.

Zn+H_2SO_4\rightarrow ZnSO_4 +H_2

Zinc converts to Zn^{2+} and gets oxidized. H^+ gains electron and convert to H_2.




4 0
3 years ago
What is the formula of sodium bicarbonate?​
expeople1 [14]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ It is NaHCO3

<h3>✽</h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
Read 2 more answers
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