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sertanlavr [38]
4 years ago
5

What is the answer to this one????

Chemistry
1 answer:
torisob [31]4 years ago
7 0

Answer:

A. 2-pentyne is the answer.

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Draw the electron dot structure for the hydrogen carbonate ion hco3-. Carbon is the central atom, and hydrogen is attached to ox
Anna11 [10]

Explanation:

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2 years ago
All animals make body heat. True or false?
gladu [14]

Answer:

False

Explanation:

Some animals are cold blooded

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3 years ago
The pressure exerted by a gas in a container depends on what?
lyudmila [28]

Answer:

From gas laws (pressure law and Boyles law), the pressure exerted by a gas depends on Temperature of the gas and volume of the container.

Explanation:

{ \boxed{ \rm{P \:  \alpha  \:  \frac{T}{V} }}}

• P → Pressure exerted by the gas.

• T → Temperature of the gas.

• V → Volume of the container.

• from the expression, pressure exerted by the gas is directly proportional to temperature of the gas and inversely proportional to the volume of the container.

7 0
3 years ago
What is the wavelength of a light wave with a frequency of 2.5 × 1014 Hz? A. 7.5 × 10-6 m B. 1.2 × 10-6 m C. 1.2 × 10-5 m D. 8.3
Likurg_2 [28]

Answer:

The right option is B

Explanation:

The frequency of the wave is given by the following formula:

f = \dfrac{c}{\lambda}

where,

f = frequency of the wave.

c = speed of the light.

λ = wavelength of the light.

\lambda =  \dfrac{c}{f}

\lambda = \dfrac{3\times10^{8}}{2.5\times10^{14}}

\lambda  = 1.2 \times 10^{-6}

Therefore the correct option is B.

5 0
3 years ago
Iron forms rust, expressed as: Fe2O3. Using information from the Periodic Table, what is the mass of one mole of Fe2O3?
nika2105 [10]
The answer is C, 159.70g
8 0
4 years ago
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