The complete question is: A student draws a picture of the products and reactants of a chemical reaction. What, if anything, is wrong with the drawing?
A) The drawing is wrong because there are more chemicals on the products side.
B) The drawing is correct because there are 12 compounds on each side of the arrow.
C) The drawing is wrong because there are different compounds on each side of the arrow.
D) The drawing is correct because there are 12 atoms of each type on each side of the arrow.
Answer:
Option D is correct
Explanation:
In the diagram attached below, it can be seen that there are 12 atoms of element which combine with 12 atoms of another element forming a compound. For the drawing to be correct, there should be 12 atoms of each type of element on both the reactants as well as product side, which is the case. There cannot be imbalance in the number of atoms of different elements on the two sides for a chemical reaction to occur.
Hence, option D is correct.
Velocity. Acceleration is the rate of change in velocity.
The distance of a person is 50Km and displacement of a person is 25Km.
<h3>What is the difference between displacement and distance? </h3>
The complete length of the path between any two points is called Distance and the shortest distance covered by an individual is called displacement . Distance can Never be negative and zero or cannot be less than displacement but displacement can be 0, negative and it is always less than or equal to magnitude of ditance. Displacement is vector quantity and distance is scalar quantity.
Person has covered total distance 50Km and displacement is 25km because it travels 25 km west and then comes to zero while walking towards east.
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Answer:
A). A virtual image cannot be formed on a screen.
Explanation:
A virtual image can not be formed on a screen.
For image:
1.A virtual image can be viewed by the unaided eye.
2. A real image must be erect or maybe inverted.
3.Mirrors can produce virtual as well as real image ,it depends on which type of mirror is.
4.A virtual image can be photographed.
So the option A is correct.
Hope this helps the answer is: <span>Relation between Electric and magnetic fields. I've read that both the electric and magnetic field
vectors are perpendicular to each other in an electromagnetic wave.
Passing steady current through a straight conductor shows some magnetic flux because most of the energy is wasted into outer space as magnetic lines</span>