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4 years ago

The general formula for the alkyne series is: CnH2n+2 CnH2n CnH2n-2 CnHn+2

1 answer:

7 0

The general formula for alkyne series is CnH2n-2

This is because alkyne is unsaturated hydrocarbon which has one triple bond and has no functional group from homologous series. Alkyne has a general formula of CnH2n-2

An example of an alkyne in ethyne with HC≡CH chemical formula ,

another example is propyne with CH3C≡CH formula

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A thin-walled sphere rolls along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic ener

ICE Princess25 [194]

Explanation:

The kinetic energy of translation

$E_1=\frac{1}{2}mv^2$

m= mass v= linear velocity

The kinetic energy of rotation

$E_2=\frac{1}{2}I\omega^2$

I= MOI of the thin walled sphere =kmR^2

where ω= v/R= angular velocity

$E_2=\frac{1}{2}kmR^2\frac{v}{R}^2$

Then

$\frac{E_1}{E_2} = \frac{0.5mv^2}{0.5kmR^2\frac{v}{R}^2 }$

=1/k

solid sphere: k=0.4; E1/E2 =1/0.4 = 2.5;

hollow sphere: k=2/3; E1/E2 = 1.5

3 0

3 years ago

Select the correct pronoun.

ololo11 [35]

These are some pronouns to help you!

<span>I, me, he, she, herself, you, it, that, they, each, few, many, who, whoever, whose, someone, everybody.
</span>
It is who! :D
I hope this helps!

3 0

3 years ago

Read 2 more answers

Which of the following would be used to measure the amount of matter in an object?

erik [133]

The answer is Weight

3 0

4 years ago

What is the solubility of KI at 10C?

Bingel [31]

31.2g per 100g of water.

Explanation:

The required result about the solubility of KI at 10C is measured to be 31.2g per 100g of water.
Every solution contains a volume and that gets changed radically when the dissolution comes into existence. The result can be seen by inspecting the solubility in mol⋅L−1.
If we look closely to understand the solubility of KI, either at 10C or at any other temperature, you can ease it by a trick. The solubility of potassium bromide is approx twice its value.

6 0

3 years ago

Bobota

navik [9.2K]

Answer:

chemical stability

Explanation:

g goodnight

4 0

3 years ago