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Nutka1998 [239]
3 years ago
15

What is an ion? Describe and give an example.

Chemistry
2 answers:
ozzi3 years ago
5 0
An ion is an atom molecule that has a net electrical charge
Goshia [24]3 years ago
3 0
An ion is a charged atom or molecule. It is charged because the number of electrons do not equal the number of protons in the atom or molecule. An atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom. An example is Iron (III) , Iron (II) , lithium, and hydrogen.
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Please I would give brainiest to anyone who answers number 2 and 3 for me
DerKrebs [107]

can you upload a clearer photo?

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3 years ago
1. A balloon contains 100g of oxygen gas (O₂) when the volume is 110 dm³. Find the volume of the balloon when the mass of oxygen
igor_vitrenko [27]

The volume of the balloon when the mass of oxygen gas is decreased to 50g is 50L.

We will use the ideal gas equation-

<u>PV=nRT</u>

P=Pressure

V=volume

n=no. of moles

T=temperature

In this question temperature and pressure will remains constant then the above equation can be rewritten as-

V_{1} /n_{1} =V_{2} /n2

where V1= initial volume of the balloon

            V2=  volume of the balloon when the mass of oxygen gas is decreased to 50g

now, substitute the values in the above equation-

  • V1=100dm3=100L
  • n1=100/32=3.12
  • n2=50/32=1.56

       100/3.12=V2/1.56

  • V2=50 L

hence, the volume of the balloon when the mass of oxygen gas is decreased to 50g is 50L.

learn more about the ideal gas equation here:

brainly.com/question/1056445

#SPJ10

3 0
2 years ago
Persuasive argument against the nuclear warfare
antoniya [11.8K]
That only 250 warhead are needed to put the earth in nuclear winter
A Tsar Bomba (nuke with highest yield of 100,000 megatons developed by the Russians)in Tokyo results in 12 million dead instantly and a further 5 million in slow death.
Only the supergiants (US,Soviet Union,China,India,Uk,France,Pakistan,Israel and North K) have nukes with a fewer number of countries in the nuclear triad “hub”(US,Soviets,China,India) therefore these posses an unfair disadvantage.
Avearage nuke yield is 100 megatons which can wipe out a whole country.

They are not effective as one would use them unless they want to watch WW3 from their TV.

They produce high amount of radiation when you make them
Once produced they take a long time to dismantle.

I know everything about nukes so don’t hesitate to ask me about the topic:)
7 0
4 years ago
The specific gravity of water is 1.0. True False
Zielflug [23.3K]
The specific gravity of water is 1.0 True 
5 0
3 years ago
Under certain conditions, the substance calcium carbonate can be broken down to form calcium oxide and carbon dioxide. If 31.7 g
klio [65]

Answer:

13.93\ \text{g}

Explanation:

Molecular weight of CaCO_3 = 100.0869 g/mol

Mass of CaCO_3 = 31.7 g

Moles of CaCO_3 = \dfrac{31.7}{100.0869}=0.3167\ \text{mol}

Moles of both CaO and CO_2 is 0.3167\ \text{mol}

Molecular weight of CO_2 = 44 g/mol

Mass of CO_2 = 44\times 0.3167=13.93\ \text{g}

The mass of carbon dioxide formed simultaneously is 13.93\ \text{g}.

6 0
3 years ago
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