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Andreyy89
4 years ago
15

What is the difference between ionic and covalent bonding?

Chemistry
1 answer:
mr Goodwill [35]4 years ago
8 0

In an ionic bond, one atom essentially donates an electron to stabilize the other atom. The atoms in an ionic bond have different electronegativity values from each other.

While in a covalent bond, the atoms are bound by shared electrons and the electronegativity values are the same.

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Please help me with this
Lina20 [59]
Cu(s)+2AgNO3->2Ag+Cu(NO3)2
is the reaction, reply if you would like me to solve the rest
3 0
3 years ago
Coke is an impure form of carbon that is often used in the in- dustrial production of metals from their oxides. If a sample of c
steposvetlana [31]

Answer:

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

Explanation:

2CuO+C\rightarrow 2Cu+CO_2

1 Ton = 907185 grams

Mass of copper oxide = 1.0 Ton = 907185 grams

Moles of copper oxide =\frac{907185 g}{79.55 g/mol}=11,403.95 moles

According to reaction, 2 moles of copper oxide reacts with 1 mole of carbon.

Then 11403.95 moles of copper oxide will react with:

\frac{1}{2}\times 11403.95 mol=5,701.98 mol of carbon

Mass of 5,701.98 moles of carbon:

5,701.98 mol\times 12 g/mol=68,423.75 g

Mass of coke = x

Mass of carbon = 68,423.75 g

Percentage of carbon in coke = 95%

95\%=\frac{68,423.75 g}{x}\times 100

x=720,250.09 g=0.794 Ton

The mass of coke needed to react completely with 1.0 ton of copper(II) oxide is 0.794 Ton.

3 0
3 years ago
8.
guajiro [1.7K]

Answer:

no

Explanation:

no

8 0
3 years ago
Which are base units used in the metric system? Check all that apply. quarts liters grams degrees Fahrenheit degrees Celsius pin
slega [8]

Answer:

The correct answer is liters , grams, degrees Celsius

Explanation:

The metric system is called also international system of units with this short symbols (SI) , It consists of many base units which can measure any physical amount or quantity .example for this bas units the Liters to measure volume, the kilogram and gram to measure the mass , Celsius degrees to measure the temperature using thermometers , also Ampire for measuring the current of the electricity and the second in measuring the time

but quarts ,  degrees fahrenheit and pints are parts of the imperial system

8 0
3 years ago
Why is a high temperature needed to melt potassium iodide?
goldfiish [28.3K]
Potassium Iodide have a lot of strong bonds which requires a very high temperature (high energy) to break them and change into a different state of matter. 
4 0
3 years ago
Read 2 more answers
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