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3 years ago

22.4 liters is the same as:

1 answer:

6 0

It's the same as 23.66982 U.S. quartz, because 1 liter = 1.05669 U.S quartz, so multiply that by 22.4 and it equals 23.66982 :3

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Complete the sentences to explain what’s happening at different portions of the heating curve.

Neporo4naja [7]

Particles of the substance have the most kinetic energy when the substance is(a)1. A gas. The part of the graph that represents where the substance has the least amount of potential energy is labeled(b)1. Solid.

Gas molecules have the highest average velocities among the three states of matter so gas has the highest kinetic energy. During freezing, a substance loses a lot of potential energy so solid has the least potential energy.

9 0

3 years ago

Read 2 more answers

When an electron in a 2p orbital of a particular atom makes a transition to the 2s orbital, a photon of approximate wavelength 6

Mariulka [41]

Answer:

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

Explanation:

Wavelength of the photon emitted = $\lambda =646.3 nm =646.3\times 10^{-9} m$

Energy of the photon will corresponds to the energy difference between 2p and 2s orbital = E

Energy of the photon is given by Planck's equation:

$E=\frac{hc}{\lambda }$

h = Planck's constant = $6.626\tiomes 10^{-34} Js$

c = Speed of the light = $3\times 10^8 m/s$

$E=\frac{6.626\tiomes 10^{-34} Js\times 3\times 10^8 m/s}{646.3\times 10^{-9} m}$

$E=3.07\times 10^{-19} J$

The energy difference between these 2p and 2s orbitals is $3.07\times 10^{-19} J$

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4 years ago

Which of these statements are not true about a chemical reaction rate?

Licemer1 [7]

A) Temperature does not affect reaction rate

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3 years ago

Barbiturates, including "truth serums" seen in movies like Meet the Fockers and sedatives that may have led to the untimely deat

Naya [18.7K]

Answer:

Explanation:

Diethyl malonate is more acidic than monocarbonyl compounds (pKa=13) due to their alpha hydrogens being attached to two carbonyl groups. Thus, the malonic ester is easily converted to its enolate ion by reaction with sodium ethoxide in ethanol. The product of the alkylation of the malonic ester leaves a hydrogen atom acid in an alpha position, so the alkylation process can be repeated a second time to produce a dialkylated malonic ester.

In this case, when urea is treated with diethyl malonate in the presence of sodium ethoxide base, the second alkylation step occurs intramolecularly to generate a cyclic product, barbituric acid.

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3 years ago

________ cm = 3.34 m

vodka [1.7K]

Answer:

334

Explanation:

multiply the length value by 100

7 0

3 years ago

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