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3 years ago

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Where did science and mathematics flourish during Middle Ages

1 answer:

Anastasy [175]3 years ago

5 0

Salutations!

Where did science and mathematics flourish during Middle Ages?

Science and mathematics flourish during Middle Ages in the Arab Empire.

Hope I helped.

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He structure of the product, C, of the following sequence of reactions would be:

NikAS [45]

Answer:

I

Explanation:

The complete question can be seen in the image attached.

We need to understand what is actually going on here. In the first step that yields product A, the sodamide in liquid ammonia attacks the alkyne and abstracts the acidic hydrogen of the alkyne. The second step is a nucleophilic attack of the C6H5C≡C^- on the alkyl halide to yield product B (C6H5C≡C-CH3CH2).

Partial reduction of B using the Lindlar catalyst leads to syn addition of hydrogen to yield structure I as the product C.

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3 years ago

12. Complete each of the following word equations for synthesis reactions.

Vlada [557]

Explanation:

12)

a) Sodium + oxygen = ?

When sodium reacts oxygen its forms sodium oxide as a product.

$4Na(s)+O_2(g)\rightarrow 2Na_2O(s)$

b) magnesium + fluorine = ?

When magnesium reacts with fluorine its forms magnesium fluoride as a product.

$Mg(s)+F_2(g)\rightarrow MgF_2(s)$

13)

a) $2HgO(s)\overset{\Delta }\rightarrow 2Hg(l)+O_2(g)$

Decomposition of mercury(II) oxide on heating gives out mercury and oxygen gas.

b) $2H_2O(l)\overset{Electricity}\rightarrow 2H_2(g)+O_2(g)$

The electrolytic decomposition of water gives out hydrogen gas amd oxygen gas.

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3 years ago

This is a sign of a chemical reaction that involves the production of bubbles or fizzing

Leviafan [203]

Answer:

gas production

Explanation:

8 0

3 years ago

Read 2 more answers

One of the simplest ways to increase the dissolving rate of a spoonful of sugar in a cup of water is to:

Simora [160]

The answer would be C

4 0

3 years ago

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In a lab in New York, Thomas and Nikola collected data over several trials. Thomas recorded his measurements as 10.0 A, 11 A, an

Anna11 [10]

Nikola's reading has a lower range and it is logical to conclude that his reading is more precise.

Explanation:

Precision is the ability to reproduce the same set of result from a measurement. The more repeatability a measurement is, the more precise it is.

From the given pool of data, it is easy to determine which set of data is more precise over the other.

Thomas measurements: 10.0 A, 11 A, and 8 A

Nikola measurements: 9.0 A, 9.2 A, 8.8 A

Using the range method, it is possible to find the precision in this pool of data.

Method and Solution:

Find the range of the sample:

Range = highest value - lowest value

Thomas measurement; Range = (11-8)A = 3.0A

Nikola measurement; Range = (9.2-8.8)A = 0.4A

Find the mean of the samples:

Mean of Thomas measurement = $\frac{10 + 11+ 8}{3}$ = $\frac{29}{3}$ = 9.7A

Mean of Nikola measurement = $\frac{9+ 9.2+ 8.8}{3}$ = $\frac{27}{3}$ = 9A

Now let us quote the range of value of the mean of each measurement:

Thomas 9.7±3.0A

Nikola 9.0± 0.4A

Nikola's reading has a lower range and it is logical to conclude that his reading is more precise.

Learn more:

mean calculation brainly.com/question/12068498

#learnwithBrainly

5 0

3 years ago