To gain an understanding of mixture and the concept of separate of mixture,prepare an article to help feeding mother in your community to find the element of iron in iron-fortified breakfast cereal flakes .through this article the mother should be able to see how the iron compenent of this mixture (cereal) retains its properties and can thus be separated by physical means​

Answer:

The correct answer is: Sweden

I just submitted my test with this question on it and it said the right answer was Sweden. When you look at the graphs the one with the most dark blue has the most supporters. Sweden has the most dark blue.

Hope this is helpful, please mark me Brainliest if i got it right :)

Explanation:

The maximum safe operating temperature for this reaction is equal to 895°C.

Given the following data:

Scientific data:

Radius, r = [tex]\frac{width}{2} =\frac{22}{2} =11\;cm[/tex]

First of all, we would determine the volume of the stainless-steel cylinder by using this formula:

[tex]V=\pi r^2 h\\\\V = 3.142 \times 11^2 \times 26.4\\\\[/tex]

Volume, V = 10,036.81 [tex]cm^3[/tex].

In liters, we have:

Volume, V = 10.04 Liters.

Next, we would determine the number of moles of dinitrogen monoxide ([tex]N_2F_2[/tex]) gas:

[tex]Number \;of \;moles = \frac {mass}{molar\;mass}\\\\Number \;of \;moles = \frac {537}{66}[/tex]

Number of moles = 8.136 moles.

Now, we can solve for the maximum safe operating temperature by applying the ideal gas equation:

[tex]PV=nRT\\\\T=\frac{PV}{nR} \\\\T=\frac{6.30 \times 10^3 \times 10.04}{8.136 \times 8.314}\\\\T=\frac{60541.2}{67.6427}[/tex]

T = 895.02 ≈ 895°C.

Read more on temperature here: https://brainly.com/question/24769208

Answer:

A

Explanation:

A farthest apart at the poles where the magnetic field is strongest

Answer: pH ≈ 3.186

Explanation:

[tex]p^{H} &=p^{k a}+\left[\frac{A^{-}}{H A}\right] \\3.26 &=p^{k a}+ \log \frac{0.37}{0.34} \\3.26 &=p^{k a}+\log\ 1.089 \\3.26 &=p^{k e}+0.037 \\p^{k a} &=3.26-0.1105 \\p^{k a} &=3.1495[/tex]

[tex]$0.34 \frac{\mathrm{mol}}{2} \times 0.71 \mathrm{~L}=0.2414 \ {\mathrm{mol} \rightarrow HA \\\\[/tex]

[tex]$0.37 \frac{\mathrm{mol}}{2} \times 0.71 \mathrm{~L}=0.2627 \ {\mathrm{mol} \rightarrow A^{-} \\\\[/tex]

[tex]$0.2414-0.032 \mathrm{mol}=0.2094 \mathrm{\ mol} \ HA[/tex]

[tex]$0.2627+0.032 \mathrm{mol}=0.2947 \mathrm{\ mol} \ A^{-}[/tex]

[tex]\begin{aligned}&p H=3.1495+\log\frac{0.2627}{0.2414} \\&p H=3.1495+0.0367 \\&p H=3.186\end{aligned}[/tex]

Therefore, the pH after 0.032 mol of HCl are added to 0.71 L of the solution is approximately 3.186

From the law of conservation of mass, the mass of the glow stick does not change after the reaction.

From the law of conservation of mass we know that mass can neither be created nor  destroyed but is converted from one form to another. Since the mass of the system must remain unchanged, It then follows that the mass of the glow stick must remian the same.

Therefore, the mass of the glow stick does not change after the reaction following the law of conservation of mass.

Learn more about conservation of mass: https://brainly.com/question/13383562

Answer:

Radioactive dating is a method of dating rocks and minerals using radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks. Over 300 naturally-occurring isotopes are known.