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Anit [1.1K]
3 years ago
9

determine the maximum amount of NaN03 that was produced during the experiment. Explain how you determined the amount

Chemistry
1 answer:
Angelina_Jolie [31]3 years ago
7 0

Answer:

9 moles of NaNO3 is obtained

Explanation:

The balanced chemical reaction equation for the reaction is;

Al(NO3)3 + 3NaCl-------> 3NaNO3 + AlCl3

Now, we have to determine the limiting reactant. The limiting reactant yields the least amount of NaNO3.

1 mole of Al(NO3)3 yields 3 moles of NaNO3

4 moles of Al(NO3)3 yields 4 * 3/1 = 12 moles of NaNO3

Also,

3 moles of NaCl yields 3 moles of NaNO3

9 moles of NaCl yields 9 * 3/3 = 9 moles of NaNO3

Hence, NaCl  is the limiting reactant and 9 moles of NaNO3 is obtained.

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The weight of the body in the air is .... the weight of the submerged body
stira [4]

Answer:

the correct answer is option 'b': More than

Explanation:

The 2 situations are represented in the attached figures below

When an object is placed in air it is acted upon by force of gravity of earth which is measured as weight of the object.

While as when any object is submerged partially or completely in any fluid the fluid exerts a force in upward direction and this force is known as force of buoyancy and it's magnitude is given by Archimedes law as equal to the weight of the fluid that the body displaces, hence the effective force in the downward direction direction thus the apparent weight of the object in water decreases.

4 0
3 years ago
Which of these things would you expect to have cells with both mitochondria
Allushta [10]

Answer:

D. Grass​

Explanation:

Every living organism must contain one or more cells to be considered "living". Each cell, however, contains certain structures that perform specific roles called ORGANELLES. These organelles are of different types and hence, perform different tasks. For example, mitochondria is the power house of a cell i.e. site of energy production, and hence, is found in every eukaryotic cell.

On the other hand, chloroplast is an organelle designed to perform photosynthesis, which only occurs in plant cells. Since only plant cells can undergo photosynthesis, only plant cells can contain chloroplast. Hence, according to this question, GRASS as a type of plant is an organism that will contain both mitochondria and chloroplast in its cells.

6 0
3 years ago
If the pH of a solution is 5, what is the hydrogen ion concentration?
Gnoma [55]

Yo sup??

We know that

pH=-log[H+]

[H+]=10^(-pH)

pH=5

therefore

[H+]=10^(-5)

The medium is acidic

Hope this helps.

5 0
4 years ago
A radio station transmits a signal with a wavelength of 3.11 meters. At what frequency is
Leni [432]

Answer:

\large \boxed{\text{2. 96.4 MHz}}

Explanation:

The formula relating the frequency (f) and wavelength (λ) is

fλ = c  

\begin{array}{rcl}f \times \text{3.11 m}& =& 2.998 \times 10^{8} \text{ m$\cdot$s$^{-1}$}\\f & = & \dfrac{2.998 \times 10^{8} \text{ s$^{-1}$}}{3.11}\\\\& = &9.64 \times 10^{7}\text{ s}^{-1}\\& = &\text{96.4 $\times 10^{6}$ Hz}\\& = &\textbf{96.4 MHz}\\\end{array}\\\text{The radio station is broadcasting at a frequency of $\large \boxed{\textbf{96.4 MHz}}$}

8 0
3 years ago
How many atm are 12920 torr
Zinaida [17]

Answer:

17 atm

Explanation:

3 0
3 years ago
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