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bixtya [17]
3 years ago
11

If a sample of water has a mass of 200g and the final solution has a mass of 230g, how much solute dissolved in the water?

Chemistry
1 answer:
Murrr4er [49]3 years ago
6 0
What is the difference between the two numbers? That is your answer
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Under conditions of "feasting", the body favors oxidation/utilization of which source for energy production
mezya [45]
During feasting, there is an increase in the supply of carbohydrates, fats and proteins in the body. Since these macronutrients are in excess, carbohydrates and proteins are utilized or oxidized as a source for energy production. On the otherhand, fats are accumulated as the rate of oxidation of this source does not increase during feasting. 


4 0
3 years ago
Read 2 more answers
Which of the following chemical equations proves that the law of conservation of mass is in effect?
bogdanovich [222]

Answer:

2KCl + F₂   →     2KF + Cl₂

Explanation:

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.

2KCl + F₂   →     2KF + Cl₂

In this equation mass of reactant and product is equal. There are 2 potassium 2 chlorine and fluorine atoms on both side of equation it means mass remain conserved.

All other options are incorrect because mass is not conserved.

Mg₂ + LiBr ---> LiMg + Br

In this equation mass of magnesium is more on reactant side.

Na +O₂ ---> Na₂O

In this equation there is more oxygen and less sodium on reactant side while there is more sodium and less oxygen on product side.

H₂O ---> H₂ + O₂

In this equation there is less oxygen on reactant side while more oxygen on product side.

5 0
3 years ago
Where are electrons found in the atom?
RoseWind [281]

In the electron shell

5 0
3 years ago
This is a material that transmits most of the light that strikes to pass through and only a small amount of light is reflected o
inn [45]

Answer:

Optically Transparent

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How many grams do 6 × 1020 atoms of helium weigh? Answer in units of g.
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1.2204504e-18   i think   hope this helped 
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