molecular formula of alkyne containing 10 carbon atom​

Answers

Answer 1

Answer:

Decyne: C10H18

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Answer 2

The general formula for alkynes is CnH2n-2

the number of carbon atoms is 10 so the number of hydrogen atoms will be 10*2-2=20-2=18hydrogen atoms

the molecular formula for this alkyne is :

C₁₀H₁₈ which is called decyne


Related Questions

Please help I need this done

Answers

Answer:

they arent alcohols.

Explanation:

They aren’t alcohols

A4 g sugar cube (Sucrose : C 12 H 22 O 11 ) is dissolved in a 350 ml teacup of 80 C water. What is the percent composition by mass of the sugar solution ? Density of water at 80 degrees * C = 0.975g / m * l Select one :- 1.96\% . 1.63% 1.36 % d% e 1.16 \%​

Answers

Answer:

%Sgr = 1% (1 sig.fig.)

Explanation:

mass water = 350ml x 0.975g/ml = 341.25g

mass sugar added = 4g

solution mass = 341.25g + 4g = 345.25g

%sugar = (4g/345.25g)·100% = 1.1586% ≅ 1% (1 sig.fig)

The percent composition by the mass of the sugar solution is:

e. 1.16 %

This can be calculated by using mass of sugar.

Calculation of percent composition:

Mass of water = 350ml x 0.975g/ml = 341.25g

Mass of sugar added = 4g

Total solution's mass = 341.25g + 4g = 345.25g

%sugar = (4g/345.25g)·100%

%sugar= 1.1586% ≅ 1.16 %

Thus, the percent composition of sugar is 1.16%. Hence, option E is correct.

Find more information about percent composition here:

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What is the chemical name of C4H10

Answers

Answer:

Butane

Explanation:

Answer:

Butane

Explanation:

Butane is a colorless gas with a faint petroleum-like odor.

Melting point: -138 °C

A red laser pointer emits light at a wavelength of 488 nm. If the laser emits 7.5  10–4 J of energy per second in the form of visible radiation, how many photons per second are emitted from the laser?
a)
4.1  10–19 photons/sec
b)
5.4  10–16 photons/sec
c)
8.9  1014 photons/sec
d)
1.8  1015 photons/sec
e)
2.5  1018 photons/sec

Answers

The answer to the question, how many photons per second are emitted from the laser is d. 1.84 × 10¹⁵ photons/sec

Since the red laser pointer emits light of wavelength 488 nm, we need to find the energy of each photon from

E = hc/λ where h = Planck's constant = 6.63 × 10⁻³⁴ Js, c = speed of light = 3 × 10⁸ m/s and λ = wavelength of light = 488 nm = 488 × 10⁻⁹ m

Substituting the values of the variables into the equation, we have

E = hc/λ

E = 6.63 × 10⁻³⁴ Js × 3 × 10⁸ m/s ÷ 488 × 10⁻⁹ m

E = 19.89 × 10⁻²⁶ Jm ÷ 488 × 10⁻⁹ m

E = 0.04076 × 10⁻¹⁷ J per photon

E = 4.076 × 10⁻¹⁹ J per photon

Since the laser emits 7.5 × 10⁻⁴ J per second, the number of photons emitted from the laser per second = energy per second/energy per photon

= 7.5 × 10⁻⁴ J per second ÷ 4.076 × 10⁻¹⁹ J per photon

= 1.84 × 10¹⁵ photons/sec

The answer to the question, how many photons per second are emitted from the laser is d. 1.84 × 10¹⁵ photons/sec

Learn more about number of photons per second emitted here:

https://brainly.com/question/13092011

can someone please help me with this....?

Answers

Answer:

Explanation:

The answer is D

What volume, in mL, of concentrated 16 M nitric acid would you need to use in order to prepare 500.0 mL of a 0.250 M HNO3(aq) solution?

Answers

Given :

Initial concentration of nitric acid, [tex]C_1 = 16\ M[/tex].

Final concentration of nitric acid, [tex]C_2 = 0.250 \ M[/tex].

Volume of [tex]HNO_3[/tex], [tex]V _2= 500\ mL = 0.5\ L .[/tex]

To Find :

Volume needed( [tex]V_1[/tex] ).

Solution :

We know,

[tex]C_1V_1 =C_2V_2\\\\16 \times V_1 = 0.250 \times 0.5 \\\\V_1 = \dfrac{0.250 \times 0.5}{16}\\\\V_1 = 0.0078125\ L = 7.8125 \ mL[/tex]

Hence, this is the required solution.

Which sphere forms Earth's outermost layer?

Atmosphere
Biosphere
Cryosphere
Hydrosphere

Answers

Answer: I believe the answer is A.

Explanation: Well, the lithosphere is rocks and earth, the hydrosphere makes up all the water on Earth, the biosphere is us, (living things,) and the atmosphere is the air that surrounds us and our planet. So if you go in order, it's basically lithosphere, hydrosphere, biosphere, and then atmosphere.

Answer:

Atmosphere

Explanation:

I took test

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