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galina1969 [7]
3 years ago
11

WHAT CAN YOU LEARN OR (LEARNING GOAL) ABOUT MITOSIS AND CELL CYCLE?

Chemistry
1 answer:
Marina86 [1]3 years ago
5 0

Explanation:

At the end of mitosis, the new daughter cells contain the same number of chromosomes as the parent cell. Mitosis enables cellular growth and repair in multicellular organisms.

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3. If you want to produce 12.6 g of HCl, how many grams of PCls will you need?
Ratling [72]

35.9 g of PCl₅ will be required to produce produce 12.6 g of HCl.

<h3>Equation of the reaction</h3>

The equation of the reaction is given below:

PCl₅ + H2O ---> POCl₃ + 2 HCl

<h3>How to calculate grams of PCl₅  required to produce 12.6 g of HCl</h3>

Molar mass of PCl₅ = 208.5 g

Molar mass of Hcl = 36.5 g

Moles of HCl = mass / molar mass

Moles of HCl = 12.6 / 36.5

moles of HCl = 0.345 moles

2 moles of HCl are produced by 1 mole of PCl₅

0.345 moles of HCl will be produced by 0.345/2 = 0.1725 moles of PCl₅

Mass of 0.1725 moles of PCl₅ = 0.1725 * 208.5 = 35.9 g of PCl₅

Mass of PCl₅ = 35.9 g of PCl₅

Therefore, 35.9 g of PCl₅ will be required to produce produce 12.6 g of HCl.

Learn more about mass and molar mass at: brainly.com/question/15476873

4 0
2 years ago
Consider the equation ; N₂ + 3 H₂ → 2 NH₃ What is the mole ratio of hydrogen to ammonia (NH₃)?
Tanzania [10]

Answer:

3. 3:2

Explanation:

in the reactants, 3 is the coefficient for the hydrogen atoms.

In the products, 2 is the coefficient for the ammonia atoms.

7 0
2 years ago
Match the functions with the corresponding cell structure.
mezya [45]

Answer:

1c 2a 3b

Explanation:

5 0
3 years ago
Read 2 more answers
The reduction of nitrogen monoxide is described by the following chemical equation: 2H2 (g) +2NO (g) 2H20 ()N2 (g Suppose a two-
Ipatiy [6.2K]

Answer:

Reasonable Second step- N_{2}O(g)+H_{2}(g)\rightarrow N_{2}(g)+H_{2}O(g)

Explanation:

The given single step chemical reaction is as follows.

2H_{2}(g)+2NO \rightarrow 2H_{2}O(g)+N_{2}(g)

Suppose a two-step mechanism is proposed for this reaction,

The reaction occured in two steps they are as follows.

Step -1:H_{2}(g)+2NO \rightarrow N_{2}O(g)+H_{2}O(g)

Step-2:N_{2}O(g)+H_{2}(g)\rightarrow N_{2}(g)+H_{2}O(g)

8 0
3 years ago
luminum and oxygen react according to the following equation: 4Al(s) +3O2(g) --&gt; 2Al2O3(s) What mass of Al2O3, in grams, can
Slav-nsk [51]

Answer: 8.7 grams

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number 6.023\times 10^{23} of particles.  

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{4.6g}{27g/mol}=0.17moles

4Al(s)+3O_2(g)\rightarrow 2Al_2O_3(s)

As oxygen is in excess, Aluminium is the limiting reagent and limits the formation of products.

According to stoichiometry:

4 moles of aluminium give = 2 moles of Al_2O_3(s)

Thus 0.17 moles of aluminium give=\frac{2}{4}\times 0.17=0.085mol

Mass of Al_2O_3=moles\times {\text {molar mass}}=0.085\times 102g/mol=8.7g

Thus the mass of Al_2O_3(s)  is 8.7 grams

8 0
3 years ago
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