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frosja888 [35]
3 years ago
7

VICHELRING CONCEN1. Water is amolecule.​

Chemistry
1 answer:
zaharov [31]3 years ago
3 0

Explanation:

the first thing you do with your child are in a world of good and good for the first word of life will be the best thing to be the same thing you need for a long 55666666inches to be in the

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You need to dissolve cacl2 in water to make a mixture that is 35% calcium chlorode by mass. if the total mass of the mixture is
nadya68 [22]
((mass solute)/(mass solution)) * 100% =35%
mass CaCl2=0.35*352.5=123.4 g CaCl2
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A gene is a to a chromosome as
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I believe the answer would be A. A pea is to a pod
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What is the effect on pollution when cool air becomes trapped under warm air?
sergejj [24]
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How much energy is needed to change 44 grams of ice at -8° to steam at 107°?
Tpy6a [65]
Q=m(c∆t +heat of fusion + heat of evaporation)

m= 44g
c= 4.186 J/g.C
∆t= 107-(-8) =115 C
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5 0
3 years ago
Balance the equation for magnasuin and oxygen to yield magnasuimoxide
Minchanka [31]

Answer:

2Mg + O₂  →  2MgO

Explanation:

Chemical equation:

Mg + O₂  →  MgO

Balanced chemical equation:

2Mg + O₂  →  2MgO

The balanced equation s given above and it completely follow the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

Steps to balanced the equation:

Step 1:

Mg + O₂  →  MgO

Mg = 1         Mg = 1

O = 2           O = 1

Step 2:

2Mg + O₂  →  MgO

Mg = 2         Mg = 1

O = 2           O = 1

Step 3:

2Mg + O₂  →  2MgO

Mg = 2         Mg = 2

O = 2           O = 2

6 0
3 years ago
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