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Kazeer [188]
3 years ago
11

Explain the relationship between the roman numeral and the charge used in naming ionic compounds.

Chemistry
1 answer:
Tasya [4]3 years ago
3 0
The Roman numerals are used to show the oxidation number of some transition metals because some elements have more than one possible oxidation state. So basically it's there to indicate the charge of the element.
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What is the quantity 0.0075 meters expressed in centimeters? use the table above to help you
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From the conversion table:
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The optimum drinking temperature for a Shiraz is 15.0 ∘C . A certain bottle of Shiraz having a heat capacity of 3.40 kJ∘C−1 is 2
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We have that the  minimum mass of ice , required to <em>bring</em> the <em>final </em>temperature to 15.0 ∘C is <em>mathematical </em>given as

  • m=67.9g

From the question we are told

  • The <em>optimum</em> drinking temperature for a Shiraz is 15.0 ∘C .
  • A certain bottle of Shiraz having a heat capacity of 3.40 kJ∘C−1 is 23.1 ∘C at room <em>temperature</em>.
  • The heat of fusion of ice is 6.02 kJmol−1 and the heat capacity of ice is 2.108 Jg−1∘C−1.

<h3>Heat released </h3>

Generally the equation for the Heat released   is mathematically given as

Q=cDT

Q=3.4*8.1*10^3

Q=27540J

Therefore

Heat absorded

H=m*4*2.108+m/18*6.02*10^3+m*15*4.18

H=405.58mJ

THerefore

  • m=\frac{27540J}{405.58}

m=67.9g

For more information on this visit

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A student titrated 60 mL of 0.2 M HCl solution
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Answer:

The concentration is 0.2 M HCI / 15mL 62g

Explanation:

----->

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