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3 years ago

State Avogadro's Hypothesis.

Chemistry

2 answers:

Westkost [7]3 years ago

8 0

Answer: Avogadro's Hypothesis simply states that all gases of equal volume have the same number of molecules.

Explanation: Avogadro's Hypothesis is an experimental gas law and it serves as a specific case of the ideal gas law. Mathematically,

Volume (V) is proportional to the Number of mole (n) of the gas

V/n = K

Where K is the constant of proportionality.

swat323 years ago

4 0

Answer:

<h3>Avogadro's hypothesis states that two samples of gas of equal volume, at the same temperature and pressure, contain the same number of molecules. Avogadro's hypothesis allows chemists to predict the behavior of ideal gasses.</h3>

hope it helps

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Given the unbalanced equation below, how many moles

Svet_ta [14]

Answer: 6 mol Li

Explanation:

The first step is to balance the equation.

2Li+Cl₂⇒2LiCl

We would need our conversions to find the amount of moles of Li needed to produces 6 mol LiCl.

$6molLiCl*\frac{2molLi}{2molLiCl} =6molLi$

8 0

3 years ago

as earth cooled and formed a planet, LESS dense elements and compounds separated and formed layers around a DENSE core. Is this

Svetach [21]

Answer:

True

Explanation:

The core of the earth is very dense so that leads me to beleive that the answer is true.

3 0

3 years ago

The equation 2Na + Cl2 ---> 2NaCl, 2 NaCl is a:

makkiz [27]

$\huge\mathrm {Answer࿐}$

$\mathrm{2Na + Cl_2 \rightarrow2NaCl}$

In the above equation, the product formed is :

$\large\boxed{ \mathrm{NaCl}}$

_____________________________

$\mathrm{ \#TeeNForeveR}$

6 0

3 years ago

If the pH of the solution is 10, what is the [OH-] concentration?

swat32

Answer:

1× $10^{-4}M$

Explanation:

To solve this, you will need to do multiple steps.

Firstly, you will have to convert to pOH from pH, which is done by simply subtracting 14-10 to get a pOH of 4.

Then, use the following formula to calculate the [OH-} concentration:

[OH-]= $10^{-pOH}$

When converted to Scientific Notation, you get a resulting answer of

1× $10^{-4}M$ .

5 0

3 years ago

During the phosphatase experiment you will use several different ph buffers. the ph value depends upon combing various ratios of

Elan Coil [88]

First calculate mass of sodium hydrogen phosphate (Na₂HPO₄) needed for solution:
n(Na₂HPO₄) = V(Na₂HPO₄) · c(Na₂HPO₄)
n(Na₂HPO₄) = 0,3 dm³ · 0,2 mol/dm³
n(Na₂HPO₄) = 0,06 mol
m(Na₂HPO₄) = 0,06 mol · 142 g/mol
m(Na₂HPO₄) = 8,52 g.
Measure that mass on scale using spoon and beaker. Than dissolve salt in beaker with distilled water and pour that solution in volumetric flask (size 300 mL), pour distilled water to graduation mark.

7 0

3 years ago