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Setler79 [48]
3 years ago
9

Please help me solve these chemical equations:

Chemistry
2 answers:
Reil [10]3 years ago
8 0
CaCO3 = CaO + CO2
I2 + 2Na2S2O3 = 2NaI + Na2S4O6
6Mg + P4 = 2Mg3P2
2Na + Cl2 = 2NaCl
soldier1979 [14.2K]3 years ago
7 0
This is impossible and confusing!!!
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Calculate the molarity of a solution of sodium hydroxide if it contains 0.5 moles in 75ml of solution.
tatuchka [14]
Molarity = moles of solute/volume of solution (L)

0.5 moles/0.075 L = 6.67 M
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3 years ago
Which one has more mass a bag of cotton balls or a bag of nails and explain
Mama L [17]
You would think that the bag of nails would have more mass but their masses are identical. <span>If you were to put them both in a vacuum chamber and let them fall from a great height, they would fall the same speed. The vacuum chamber would suck all of the air out of the cotton balls, thus making it heavier and weigh the same as the bag of nails.

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6 0
3 years ago
Give all possible ml values for orbitals that have each of the following:<br> (a) l = 3;
Angelina_Jolie [31]

At l = 3, ml =+3,+2,+1,0,-1,-2,-3

What are quantum numbers?

  • Quantum numbers are used to describe where around a nucleus a particular electron can be found.
  • In any given atom, each electron can be described by four quantum numbers.
  • These are n,l,m1,ms
  • The values that each number can be are based on a set of rules.

What is a magnetic quantum number ?

  • It describes the orientation of the orbitals.
  • It is represented as ml.
  • The value of this quantum number ranges from (-l to +l).
  • When l = 2, the value of  will be -2, -1, 0, +1, +2.

To know more about magnetic quantum numbers, refer:

brainly.com/question/14650566

#SPJ4

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2 years ago
Most adult amphibians can obtain oxygen through?
Rina8888 [55]
Their skin absorbs oxygen

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3 years ago
5. Which pair of elements would combine to forin an ionic compound?
Natasha_Volkova [10]
C.silicon and oxygen is the answer
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