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melisa1 [442]
3 years ago
14

At stp, which element has a definite shape and volume?

Chemistry
1 answer:
Sergio [31]3 years ago
5 0
Ag because it is solid at STP and others are gas and liquids.
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What mass of ammonia can be made from 20.0 g of hydrogen? 3H2 + N2 → 2NH3
lys-0071 [83]

I am guessing the answer should be 5.00

Because 2 + 2 = 4

20.00 / 4.00 = 5.00

Hope this helps, goodbye

4 0
3 years ago
Name the type of organic compound from each description of the functional group: (c) polar group that has a double bond and cann
timofeeve [1]

Some of the crucial functional groups in organic compounds are the hydroxyl, methyl, carbonyl, carboxyl, amino, phosphate, and sulfhydryl groups. The formation of molecules including DNA, proteins, carbohydrates, and lipids depends heavily on these groups.

<h3>What are the four functional groups?</h3>

A functional group in organic chemistry is a substituent or moiety in a molecule that triggers the molecule's distinctive chemical processes. No matter how the rest of the molecule is made up, the same functional group will experience the same or a similar set of chemical events.

{ Functional Group Formula - Suffix - Example }

• Alcohol, R-OH-ol Methanol

• Ketone, R-(CO)-R’-one Butanone

• Aldehyde, R-CHO-al Ethanal (acetaldehyde)

• Acyl Halide, R-(CO)-X-oyl halide Ethanoyl Chloride (acetyl chloride)

• Carboxylate, R-COO–-oate Sodium Ethanoate (sodium acetate)

• Carboxylic Acid, R-COOH-oic acid Ethanoic Acid (acetic acid)

• Ester, R-(CO)-O-R’  Alkyl alkanoate Ethyl Butanoate (Ethyl butyrate)

• Ether, R-O-R’ Alkyl ether Diethyl Ether (ethoxyethane)

{ Functional Group Formula - Suffix - Example }

• Amide, R-(CO)-N-R2-amideEthanamide (acetamide)

• Primary Amine, R-NH2-amineMethylamine

• Secondary Amine, R2NH-amineDimethylamine

• Tertiary Amine, NR3-amineTrimethylamine

• Imide, (RCO)2N-R’-imideSuccinimide

• Cyanate, R-OCN Alkyl cyanate Methyl CyanateIsocyanate, R-NCOAlkyl isocyanate Methyl Isocyanate.

A functional group is a collection of atoms within molecules that interact to cause predictable reactions. Functional groups include the hydroxyl, ketone, amine, and ether groups, for instance.

C double bond is called Alkenes.

To know more about Functional Group please click here : brainly.com/question/493841

#SPJ4

7 0
2 years ago
How does a sample of helium at 15 degree Celsius compare to a sample of helium at 215 K?
Nadusha1986 [10]
The answer is A.
215K is equivalent to -58.15 °C and temperature corresponds with the average kinetic energy.
So the 15°C has a higher energy level than 215K.
5 0
3 years ago
Read 2 more answers
What is the wavelength of a radio wave with a frequency of 1x10^8 Hz?
lbvjy [14]

Answer:

The wavelength of radio wave is 3m

Explanation:

speed of r.w (v) = 3 × 10⁸ m/s

frequency (f) = 1 × 10⁸ Hz

wavelength (λ) = ?

v  = f λ

λ = v/f

= (3 × 10⁸) ÷ (1 × 10⁸)

= 3m

(Correct me if i am wrong)

5 0
4 years ago
Elements in the same column of the periodic table share:
avanturin [10]
B. the same number of protons.
7 0
3 years ago
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