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3 years ago

Who had the idea to study humans as groups rather than as individuals?

Chemistry

2 answers:

Ratling [72]3 years ago

7 0

The answer is Malthus, A

Vedmedyk [2.9K]3 years ago

6 0

V. C. Wynne-Edwards and Konrad Lorenz were the first authors to raise the concept of altruism. This was later reiterated by David Sloan Wilson, E. O. Wilson and Elliott Sober in 1994 whose works referred to social organisms such as ants.

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In the laboratory, a student dilutes 13.5 mL of a 11.6 M hydroiodic acid solution to a total volume of 100.0 mL. What is the con

igomit [66]

Answer: The concentration of the diluted solution is 1.566M.

Explanation:

The dilution equation is presented as this: $M_{s} V_{s} =M_{d} V_{d}$ .

·M= molarity (labeled as M)

·V= volume (labeled as L)

·s= stock solution (what you started with)

·d= diluted solution (what you have after)

Now that we know what each part of the formula symbolizes, we can plug in our data.

$11.6M*13.5mL=M_{d} *100mL$

We cannot leave it like this because the volumes must be in Liters, not milliliters. To convert this, we divide the milliliters by 1000.

$13.5mL/1000=0.0135L$ $100mL/1000=0.1L$

Now that we have the conversions, let's plug them into the equation.

$11.6M*0.0135L=M_{d} *0.1L$

The only thing that we need to do now is actually solving the answer.

$M_{d} =\frac{11.6M*0.0135L}{0.1L}$ $M_{d} =1.566M$

From the work shown above, the answer is 1.566M.

I hope this helps!! Pls mark brainliest :)

7 0

2 years ago

How many valence electrons do elements in the same family as Aluminum contain?

Nady [450]

Aluminium family has 3 electrons in their valence shell....i hope its correct..｡◕‿◕｡

5 0

3 years ago

Difference between molar mass and molecular mass?

Elden [556K]

Answer:

In chemistry the substance is usually measured using molecular mass and molar mass. They are very important concepts in chemistry. Expression of molar mass is grams per mole.

...

Molar mass:

Difference between Molar mass and Molecular mass

Measurement given to compounds, atoms or molecules Determined only in molecules

Explanation:

hope the answer was helpful

8 0

3 years ago

Is a teapot a conductor or insulator?

natta225 [31]

Answer:

The answer is a conductor.

5 0

3 years ago

Read 2 more answers

Calcium electron configuration

otez555 [7]

Answer:

1s2 2s2 2p6 3s2 3p6 4s2

shorthand: [Ar] 4s2

Explanation:

the end number values are exponents, so 1s^2

3 0

3 years ago