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andrey2020 [161]
3 years ago
7

Please help I need a 100

Chemistry
2 answers:
SIZIF [17.4K]3 years ago
8 0

The answer is "a measurement of the ability of a atom to attract a electron" or in other words C!!!XD


Hope this helped!!!XD


Also, can I get brainliest please? I only need 2 more:D

svlad2 [7]3 years ago
6 0

your answer would be C.

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Why is the sky blue??
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Answer:

The gases and particles of earths atmosphere scatter sunlight in different directions making the sky a specific color. Since blue light travels shorter, smaller waves its scattered more than others.

6 0
2 years ago
At STP, 32 grams of O2 would occupy the same volume as:
ludmilkaskok [199]

At STP 32 g of O₂ would occupy by the same volume as  4 g of He

<h3>Further explanation</h3>

Complete question

At STP 32 g of O₂ would occupy by the same volume as:

  • 4.0 g of He
  • 8.0 g of CH₄
  • 64 g of H₂
  • 32 g of SO₂

Standard Conditions

Conditions at T 0 ° C and P 1 atm are stated by STP (Standard Temperature and Pressure). At STP, Vm is 22.4 liters / mol.

So the gas will have the same volume if the number of moles is the same

mol of 32 grams of O₂ :

\tt \dfrac{32}{32}=1

  • He

\tt mol=\dfrac{4}{4}=1

  • CH₄

\tt mol=\dfrac{8}{16}=0.5

  • H₂

\tt mol=\dfrac{64}{2}=32

  • SO₂

\tt mol=\dfrac{32}{64}=0.5

<em>So mol of 4 g He = mol of 32 g O₂</em>

4 0
3 years ago
Which type of bond is formed by two atoms that equally share one pair of electrons? (1 point) ionic covalent metallic un?
GenaCL600 [577]
It's B Covalent.Now I'll add more words since the thing says I need to write at least 20 characters.

 
4 0
3 years ago
Read 2 more answers
1.* Write the name and symbol of the ion formed when
wlad13 [49]
1a) anion and S-2
1b) cation and Al+3
1c) anion and N-3
1d) cation and Ca+2
6 0
3 years ago
Read 2 more answers
What minimum volume of 0.200 m potassium iodide solution is required to completely precipitate all of the lead in 155.0 ml of a
Blababa [14]
First, we write the balanced equation for this reaction:

2KI + Pb(NO₃)₂ → 2KNO₃ + PbI₂

From this equation, we see that there are 2 moles of potassium iodide required for each mole of lead (II) nitrate. Moreover, we may use the formula:

Moles = volume (in L) * molarity

We find the molar relation ship for KI : Pb(NO₃)₂ to be 2 : 1. So:

M₁V₁ = 2M₂V₂

V₁ = 2M₂V₂/M₁
V₁ = 2 * 0.112 * 0.155 / 0.2
V₁ = 0.1736 L


The volume required is 173.6 mL
5 0
3 years ago
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