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3 years ago

Structural formula for 4-nonene and fluorine gas

Chemistry

2 answers:

goldenfox [79]3 years ago

6 0

I THINK it's <span>1,1-Difluorononane, or </span> $C_9H_{18}F_2$ .<span>
</span>

Savatey [412]3 years ago

6 0

I'm not sure how to draw it and show you, but I will type it out and hopefully you will understand.

4-nonene means the double bond is the fourth possible one:
CH 3 - CH 2 - CH 2 - CH=CH-CH 2 - CH 2 - CH 2 - CH 3
adding F2 means F2 are added across the double bond
-> CH 3 - CH 2 - CH 2 - CHF-CHF-CHF- CH 2 - CH 2 - CH 2 - CH 3
So: C9H18+F2 --> C9H18F2

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Name the element described in each of the following:

borishaifa [10]

Alkaline earth metal whose cation isoelectric with Kr is strontium (Sr).

What is Alkaline earth metal?

Six chemical elements from group 2 of the periodic chart make up the alkaline earth metals. They are boron (R), barium (Ba), calcium (Ca), strontium (Sr), magnesium (Mg), beryllium (Be), and radium (Ra). The elements share many characteristics, including being glossy, silvery-white, moderately reactive metals at standard pressure and temperature.

They share a full outer s-orbital structurally, meaning that this orbital includes all two of its electrons, which the alkaline earth metals rapidly lose to form cations with a charge of +2 and an oxidation state of +2.

All of the identified alkaline earth metals are found in nature, albeit radium is not a primordial element but only appears as part of the decay chain of uranium and thorium.

The chemical element strontium has the atomic number 38 and the symbol Sr. Strontium is a soft, silver-white, yellowish metallic element that is an alkaline earth metal and has a strong reactivity to chemicals. When the metal is exposed to air, a thick layer of dark oxide forms. Similar to its two vertical neighbors in the periodic table, barium and calcium, strontium exhibits physical and chemical characteristics. It is mostly obtained from the minerals celestine and strontianite, where it is found naturally.

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2 years ago

Assuming the measured volume of the bottle, 140 mL, is correct, what volume does Charles’s Law predict the air in the bottle sho

Ket [755]

Answer:

b. 128 ml

Explanation:

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3 years ago

If measuring experimental results, what can you predict about the work output of a 1200 watt hair dryer? the work output of the

eimsori [14]

Answer: first option, the work output of the hairdryer will be less than the work input.

Explanation:

1) The work output measured in watts is the power of hair dryer measured in joules per second.

2) The hair dryer converts electrical energy from the wall outlet to mechanical and thermal energy: hot wind.

3) Nevertheless, you can never expect a 100% efficiency of the machines: due to friction, some energy is converted into useless energy.

So, efiiviency = power output / power input< 1 ⇒

power output = work output / time

input power = work input / time

⇒ work output / work input < 1

⇒ work output < work input.

Which is the first option: the work output of the hairdryer will be less than the work input

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3 years ago

Read 2 more answers

1. How many atoms are there in 2.8 moles of carbon? You must show your work to receive credit.

Zolol [24]

Answer:

The answer to your question is

1.- 1.686 x 10²⁴ atoms

2.- 0.25 moles

Explanation:

1.-

1 mol ---------------- 6.023 x 10²³ atoms

2.8 moles ---------- x

x = (2.8 x 6.023 x 10²³) / 1

x = 1.686 x 10²⁴ atoms

2.- 1 mol ------------------ 6.023 x 10 ²³ molecules

x moles ------------- 1.50 x 10²³ molecules

x = (1.50 x 10²³ x 1) / 6.023 x 10²³

x = 0.25 moles

6 0

3 years ago

Read 2 more answers

A model of fossils formed on land, on the shore, and in water was set up in Ms. Bill’s classroom. One of the students commented

zubka84 [21]

Answer:

d.- The model does not provide information about the type of rock in which fossils form.

Explanation:

The fossils can be located in different parts like on land, shore and water. But, they were formed at different time, that means, they live in different ages, that is the reason why the model need to include the type of rock. Remember fossil form at different ages and with the pass of time different layers of rock formed.

Hope this info is useful.

7 0

3 years ago

Read 2 more answers