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3 years ago

Identify the two principal products of the reaction between ammonia and ethyl propionate

Chemistry

1 answer:

Elanso [62]3 years ago

4 0

Answer:

Ethyl propionate reacts with ammonia it gives ethanamide and ethanol.

Explanation:

When an ester reacts with ammonia to give acid amide and an alcohol. This can be expressed in the form of chemical reaction :

$R-(CO)-OR'+NH_3\rightarrow R-(CO)-NH_2+R'OH$

Ethyl propionate is an ethyl ester of propionic acid.

Ethyl propionate = $CH_3-CH_2(CO)-OCH_2CH_3$

So, when ethyl propionate reacts with ammonia it gives ethanamide and ethanol.

$CH_3-CH_2(CO)-OCH_2CH_3+NH_3\rightarrow$

$CH_3-CH_2-(CO)-NH_2+CH_3-CH_2-OH$

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To convert from mass of X to liters of Y in any stoichiometry problem, the following steps must be followed

gizmo_the_mogwai [7]

Answer:

A. mass X to moles X to moles Y to liters Y

Explanation:

Remember: moles are the great converter. They're basically just a made-up concept meant to facilitate conversions!

Starting with mass X, you must then convert to moles X.

Once you have moles X, convert moles Y. Think of a chemical equation: the mole ratios are the coefficients!

Once you have moles Y, all you have to do is convert to liters Y. You can do this with the molarity equation M = mol/L, or if it's a gas at STP you know the conversion!

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3 years ago

At 25 °c, what is the hydroxide ion concentration, [oh–], in an aqueous solution with a hydrogen ion concentration of [h ] = 3.0

chubhunter [2.5K]

As,

Water has a pkw=14

so it can be represented as,

[H+] [OH-] = 1*10^-14

If [H+] = 3*10^-5M

[OH-] = (1*10^-14) / ( 3*10^-5)

[OH-] = 3.3*10^-9 M

5 0

3 years ago

Which will NOT occur when a light tray ray interacts with a smooth pane of glass?

zhuklara [117]

Answer:

B) diffraction

Explanation:

A smooth pane of glass does not diffract light. A light passing through a smooth pane of glass may be absorbed, reflected or transmitted.

Diffraction only occurs with special types of glasses embedded with a diffraction grating and are called super prisms. Diffraction glasses use a a gradient lens which is able to separate light into all the colors of the rainbow.

Recall that diffraction is the separation of white light into its component wavelengths.

5 0

2 years ago

If an object has a density of 0.55 g/mL, what is its density in cg/L?

expeople1 [14]

"cg" is centigram, which is one-hundredth of a gram.

I will first convert from g to cg (multiply by 100), then from mL to L (multiply by 1000).

$\frac{0.55g}{mL}*\frac{100cg}{1g}*\frac{1000mL}{1L}=55,000\frac{cg}{L} \ or \ 5.5e4\frac{cg}{L}$