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o-na [289]
3 years ago
8

Write equations for the initiation and propagation steps for the formation of dichloromethane by free radical

Chemistry
1 answer:
olya-2409 [2.1K]3 years ago
7 0
 <span>Name of type of mechanism </span>initiation step<span> first </span>propagation step<span> second </span>propagation step<span>(ii) </span>write<span> an overall </span>equation<span> for the </span>formation of dichloromethane<span> from ... Best Answer: i) This is a </span>free-radical<span> substitution mechanism.</span>
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Of the three main states of matter, only gases can be compressed significantly.
rusak2 [61]
False! The three states of matter are solid, liquid, and gas. We can not touch gas, so it can not be compressed.
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3 years ago
The _________ force between the sun and the Earth keeps the Earth in its orbit. The period of ______ is the time it takes for Ea
nalin [4]
Gravitational and revolution
6 0
3 years ago
A 410 L volume of nitrogen gas is cooled from 61 C to -25 C. What is the volume of the nitrogen at the lower temperature if all
Lena [83]

Answer:

304.5\text{L}

Explanation:

Here, we want to get the volume of the nitrogen gas at the lower temperature

From Charles' law, we know that volume and temperature (in Kelvin) are directly proportion

The mathematical relationship is:

\frac{V_1}{T_1}\text{ = }\frac{V_2}{T_2}

Where:

V1 is the initial volume which is 410 L

V2 is the final volume which is unknown

T1 is the initial temperature which we will convert to Kelvin by adding 273.15 K, we have it as 61 + 273.15 = 334.15 K

T2 is the final temperature which we have to convert to Kelvin by adding it to 273.15K : We have that as -25 + 273.15 = 248.15 K

Substituting the values, we have it that:

\begin{gathered} \frac{410}{334.15}\text{ = }\frac{V_2}{248.15} \\  \\ V_2\text{ = }\frac{248.15\text{ }\times410}{334.15} \\  \\ V_2\text{ = 304.5 L} \end{gathered}

6 0
2 years ago
What does marine scientists do​
soldier1979 [14.2K]

Answer:

They search and study plants and types of animals in the ocean.

5 0
3 years ago
How many grams of naoh are needed to make 750 ml of a 2.5 (w/v) solution?
OverLord2011 [107]
Concentration: 2.5% w/v

Concentration w/v % = [mass of solute / volume of solution ] * 100

=> mass of solute = concentration w/v * volume of solution / 100

=> mass of solute = 2.5 * 750 ml / 100 = 18.75 grams

Also, using proportions you get to the same result:

2.5% w/v => 2.5 grams of NaOH / 100 ml of water

=> 2.5 grams of NaOH / 100 ml water = x grams of NaOH / 750 ml water

=> x grams of NaOH = 750 ml water * 2.5 grams of NaOH / 100 ml water

=> x = 18.75 grams of NaOH

Answer = 18.75 grams of NaOH
6 0
3 years ago
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