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RoseWind [281]
3 years ago
5

When reacting 45g of magnesium with oxygen, 50.0g of magnesium oxide is produced. Calculate the theoretical yield and percent yi

eld.

Chemistry
1 answer:
Veseljchak [2.6K]3 years ago
5 0
Hope you are able to get it :)

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Which type of force occurs between two objects at a distance?
agasfer [191]

Answer:

Gravitational force of attraction.

Explanation:

When two bodies of masses 'm' and 'M' are separated by a distance 'r', then both the bodies experience a force of attraction towards each other. This force of attraction is called gravitational force. It is a weak force but it always act between two bodies that have mass.

The magnitude of the gravitational force is directly proportional to product of the masses and inversely proportional to the square of the distance between the masses.

This means that as the distance between the bodies is increases, the gravitational force between the bodies decreases and vice versa.

The gravitational force of attraction is given as:

F_g=\frac{GmM}{r^2}\\\\G\to \textrm{Universal Gravitational constant}

5 0
3 years ago
Which represents the correct equilibrium constant expression for the reaction below?
zubka84 [21]
K(eq) = concentration of products/concentration of reactant
         = [Cu+2] / [Ag+]^2 

Activity of pure solid and liquid is taken as 1.

Hence last option is correct.

Hope this helps, have a great day ahead!

6 0
3 years ago
Read 2 more answers
Why graphite is a nonmetal, why it is not included in metalloid.
alexira [117]

Graphite is a not metal because of the lack of the properties

  • Metals are ductile but graphite is not ductile
  • Metals are meleable but graphite is not meleable
  • metal are sonorous but. graphite is not sonorous
  • Metal are lustrous but graphite is not lustrous

Graphite contains only one property of metal

  • metal is a good conductor of electricity but its a exception.

Because of all that reasons graphite is not included in metalloid.

Hope it helps u mate

5 0
3 years ago
an object is placed at 0 on a number line.it moves 3 units to the right,then 4units to the left,and then 6 units to the right th
Evgen [1.6K]
It should probably be on a positive 5
4 0
3 years ago
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Does a flame always give off heat
AlekseyPX
No a flame doesn't always give heat because sometimes fire can burn but it doesn't have heat
4 0
3 years ago
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