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lana66690 [7]
3 years ago
8

How many grams are there in 10.0 moles of Al2O3?

Chemistry
1 answer:
irinina [24]3 years ago
8 0

Explanation:

1 mole is equal to 1 moles Al2O3, or 101.961276 grams.

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Draw the major organic product in the reaction scheme below. Be sure to clearly show stereochemistry (if applicable).
Juliette [100K]

Answer:

see explanation below

Explanation:

You are missing the reaction scheme, but in picture 1, I found a question very similar to this, and after look into some other pages, I found the same scheme reaction, so I'm gonna work on this one, to show you how to solve it. Hopefully it will be the one you are asking.

According to the reaction scheme, in the first step we have NaNH2/NH3(l). This reactant is used to substract the most acidic hydrogen in the alkine there. In this case, it will substract the hydrogen from the carbon in the triple bond leaving something like this:

R: cyclopentane

R - C ≡ C (-)

Now, in the second step, this new product will experiment a SN2 reaction, and will attack to the CH3 - I forming another alkine as follow:

R - C ≡ C - CH3

Finally in the last step, Na in NH3 are reactants to promvove the hydrogenation of alkines. In this case, it will undergo hydrogenation in the triple bond and will form an alkene:

R - CH = CH - CH3

In picture 2, you have the reaction and mechanism.

6 0
3 years ago
State with reasons, whether sulphur dioxide is acting as an oxidizing agent or a reducing agent in each of the following reactio
evablogger [386]

Answer:

A) oxidizing agent is SO2

B) NaClO is the oxidizing agent

Explanation:

A) This is a redox reaction in which oxidation and reduction occur simultaneously.

Thus, in 2H2S(g) + SO2(g) -> 2H2O(l) + 3S(s);

H2S is reduced as follows;

H2S → S + 2H+ + 2e−

We can see that SO2 has been reduced while H2S gets oxidized since it has changed state from - 2 to 0 . Thus sulphur dioxide is the oxidizing agent.

B) SO2(g) + H2O(l) + NaClO(aq) -> NaCl(aq) + H2SO4(aq)

In this, SO2 undergoes oxidation and NaClO is the oxidizing agent

4 0
3 years ago
What chemical changes occur during photosynthesis
Yakvenalex [24]

Answer:

Water and carbon dioxide combine to form glucose and oxygen.

I hope this helped :)

7 0
3 years ago
Read 2 more answers
A ball is moving at a speed of 6.70 m/s. If the kinetic energy of the ball is 3.10 J, what is the mass of the ball?​
Anni [7]

Answer:

<h2>0.14 kg</h2>

Explanation:

The mass of the ball can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

v is the velocity

k is the kinetic energy

From the question we have

m =  \frac{2(3.10)}{ {6.70}^{2} }  =  \frac{6.20}{44.89}  \\  = 0.138115...

We have the final answer as

<h3>0.14 kg</h3>

Hope this helps you

7 0
3 years ago
1. In our counting unit, an OWL is 7 items.
Marrrta [24]

Explanation:

1) If we have 1/2 OWLs of Snicker bars, then number of items or Snicker bars :

1 OWL = 7 items (given)

\frac{1}{2}\times 7 items=3.5 items

We have 3.5 Snickers bars.

2) If we have 100 OWLs of pencils, then number of items or pencils :

1 OWL = 7 items (given)

100\times 7 items=700 items

We have 700 pencils.

3) If we have 2 OWLs of iron atom, then number of iron atoms :

1 OWL = 7 items (given)

2\times 7 items=14 atoms of iron

We have 14 atoms of iron.

8 0
3 years ago
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