3 years ago

What does the survival of the fittest mean

Chemistry

1 answer:

Tomtit [17]3 years ago

7 0

It means that the fit and well adjusted ones thrive and "make it", and the weak ones that can't adapt die.

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Why can scientists ignore the forces of attraction between particles in a gas under ordinary conditions

Alika [10]

Scientists ignore the forces of attraction between particles in a gas under ordinary conditions because the particles in a gas are apart and moving fast, rather than clustered and moving slow, therefore the forces of attraction are too weak to have a visible effect.

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3 years ago

What is the concentration of a solution that has 15.0 g NaCl dissolved to a total of 750 ml?

Oksana_A [137]

Answer: The concentration of solution is 0.342 M

Explanation:

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$