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horsena [70]
2 years ago
9

What is the name of this hydrocarbon? 2-butane 2-butene 2-butyne 4-butyne 4-propyne

Chemistry
2 answers:
monitta2 years ago
5 0
2-butane is the correct answer
AlexFokin [52]2 years ago
4 0
Answer is 2- butyne
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If a buffer solution is 0.190 m in a weak acid (ka = 8.2 × 10-5) and 0.590 m in its conjugate base, what is the ph?\
Lubov Fominskaja [6]
<span>You use the Henderson - Hasselbalch equation pH = pKa + log ([salt]/[acid]) pKa = -log (8.2*10^-5) = 4.081 pH = 4.081 + (0.590/0.190) pH = 4.081 + log 3.105 pH = 4.081 + 0.49206 pH = 4.573</span>
5 0
2 years ago
The radioactivity of U-235 is of low intensity. Why then were the people of Hiroshima exposed to high intensity radiation in the
Marina86 [1]

Answer:

Explanation:

What occurred then is as a result of nuclear fission. This occurs as the Uranium-235 split into two smaller nuclei while releasing high energy neutrons. These neutrons bombard existing U-235 in the atmosphere and this reaction continue in a spontaneous manner until a chain reaction is formed of U-235, whose fall out fills the environment. This process was what led to people been exposed to high intensity radiation in the days and months after the atomic bomb was dropped.

7 0
2 years ago
Which set of reagents will best convert 2,2-dimethylpropan-1-ol (neopentyl alcohol) to 4,4-dimethylpentan-2-ol
Sladkaya [172]

Answer:

SOCl2, Mg, CH3CHO, H3O^+

Explanation:

The reaction of the 2,2-dimethylpropan-1-ol  with SOCl2 converts the alcohol to an alkyl halide. This now reacts with Mg metal to yield a Grignard reagent.

The Grignard reagent reacts with CH3CHO and acid  to yield  4,4-dimethylpentan-2-ol as shown in the image attached to this answer.

6 0
2 years ago
Imagine you are sitting on a surfboard in the ocean, waiting to catch a big wave. When the ocean is still, you are sitting at a
Reil [10]

Answer:

a. What is the wavelength?

The wavelength is 5 meters.

b. What is the frequency?

The frequency is 0.05Hz

c. What is the wave velocity?

The wave velocity is 0.25 meters per second

Explanation:

the wavelength is the distance between two troughs or two crests, which in this case is 5 meters.

the frequency=cycles/time. For this equation the equation would be 1/20, which is 0.05

the wave velocity=wavelength x frequency. Plug in the numbers, 5 x 0.05, and you will get 0.25.

6 0
3 years ago
Lemon juice has a pH of 2. What is the hydrogen ion concentration of lemon juice?
saw5 [17]
PH = −log [H+] = − log [5.4 × 10−3] ≈ 2.27 or 2.3.
or basically 2
7 0
3 years ago
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