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Dennis_Churaev [7]
3 years ago
5

What is the differentences between atomic number and atomic mass?

Chemistry
1 answer:
natima [27]3 years ago
3 0
Atomic number is number on periodic table, mass is how big element is
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HALP
balu736 [363]

1

Explanation:

This problem deals with balancing of chemical equations.

   Every chemical equations obey the law of conservation of matter which states that "in chemical reactions, matter is usually conserved and are not produced, they are simply recombined".

  Equation of reaction:

      BaO₂   +   H₂SO₄  ⇒  H₂O₂  +  BaSO₄

Let us use a mathematical approach to balance this equation by setting up simple algebraic equations:

        aBaO₂   +   bH₂SO₄  ⇒  cH₂O₂  +  dBaSO₄

a, b, c and d are the number of moles that will balance the equation;

 Conserving Ba:   a = d

                       O:   2a + 4b = 2c + 4d

                        H:    2b = 2c

                         S:    b  = d

now let a = 1

              d = 1

               b = 1

                c  = 1

we see that the equation is already balanced

learn more:

Balanced equation brainly.com/question/5297242

#learnwithBrainly

3 0
3 years ago
Read 2 more answers
One mole of Ca is equal to how many atoms​
Irina18 [472]

Answer:

1 mole of calcium contains 6.023 \times 10^{23} atoms.

Explanation:

1 mole is the amount of a substance that contains exactly 6.023\times 10^{23} constituent particles. 1 mole of a substance is always equal to the atomic mass of the element.

Hence, 1 mole of calcium will also have 6.023\times 10^{23} atoms.

Number of atoms in 1 mole calcium = 6.023 \times 10^{23} atom

4 0
4 years ago
Which scientist discovered that other galaxies and stars were moving away from us at speeds proportional to how far they were aw
julsineya [31]
I think it was edwin hubble but I'm not sure
7 0
3 years ago
How would you describe a force?
Angelina_Jolie [31]

Answer:

a push or pull upon an object resulting from the object's interaction with another object.

Explanation:

Whenever there is an interaction between two objects, there is a force upon each of the objects. ...

4 0
3 years ago
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Use the collision theory to explain the 3 ways you suggested to increase the rate of the following reaction: A strip of magnesiu
Lina20 [59]

Answer:

The rate of reaction of magnesium with hydrochloric acid. Magnesium reacts with dilute hydrochloric acid in a conical flask which is connected to an inverted measuring cylinder in a trough of water. The volume of hydrogen gas produced is measured over a few minutes, and the results are used to plot a graph.

Explanation:

6 0
3 years ago
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