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pantera1 [17]
3 years ago
8

What is a pure substance that cannot be chemically broken down into simpler substances?

Chemistry
1 answer:
SCORPION-xisa [38]3 years ago
3 0
I believe it is A compound
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What are the missing coefficients for the skeleton equation below?
Kruka [31]

Answer:

4, 3 , 2 and 6

Explanation:

The reaction equation is given as;

       NH₃  +  O₂   →    N₂   +   H₂O

Now, we need to balance the reaction equation;

     NH₃  +  O₂   →    N₂   +   H₂O

put the numbers a,b,c and d;

    aNH₃  +  bO₂   →    cN₂   +   dH₂O  

We need to balance the equation algebraically, ;

  Conserving N;

      a = 2c

   Conserving H;

      3a  = 2d

   Conserving O;

      2b  = d

Now, let c = 1, a = 2, d  = 3 and b  = \frac{3}{2}  

  multiply through by 2;

            a  = 4, b = 3, c  = 2 and d  = 6

Insert the parameters:

                  4NH₃  +  3O₂   →    2N₂   +   6H₂O

4 0
3 years ago
A fraction is written in simplest form when the GCF of the numerator and denominator is fill in the blank
Pachacha [2.7K]
Is divided by the same number that goes into the number being divided evenly so there are no remainers

example....
2 2 1
__ ÷ __ = __
4 2 2
5 0
3 years ago
How would I Determine the number of moles in 3.51 x 10^23 formula units of CaCl2
Andrej [43]

Answer:

by using this formula you will get it

Explanation:

number of mole = number of particles÷ Avogadro's number

n=3.51×10^23÷ 6.02×10^23

n = 0.58 moles

8 0
3 years ago
3. Joey pushes on a box with 15N of force to the left, and Annie pushes on the box with 18N of force to
mart [117]

Answer:

3N, Right

Explanation:

7 0
3 years ago
If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?
ZanzabumX [31]

Answer: As a result an increase in kinetic energy also happens.

Explanation:

Potential energy is the energy occupied by an object or substance due to its position.

Kinetic energy is the energy occupied by an object of substance due to its motion.

If the kinetic and potential energy in a system are equal and then an increase in potential energy will occur.

As a  result, there will also occur an increase in kinetic energy also.

Thus, we can conclude that as a result an increase in kinetic energy also happens.

4 0
3 years ago
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