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Eva8 [605]
3 years ago
7

What does it means when your boyfriend doesnt talk to you ​

Chemistry
1 answer:
d1i1m1o1n [39]3 years ago
7 0
Either he’s busy, or he is just trying to ignore you.

Need more info tho
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How many liters will 2.76 mol CO2 occupy?<br> 2.76 mol<br> II
sergeinik [125]

This problem is providing information about the moles of carbon dioxide, 2.76 mol, and asks for the volume this amount takes up, turning out to be 61.8 L according to the Avogadro's law:

<h3>Avogadro's law:</h3><h3 />

In chemistry, gas laws are used to relate the behavior of gases by virtue of the their pressure, volume, temperature and moles; thus several gas laws exist for us to do so, however, we here focus on the Avogadro's law which relates the volume and moles when both temperature and pressure are held constant.

In such a way, since no information on the constant variables is given, we assume the mentioned carbon dioxide is at STP, (0 °C and 1 atm), which means that we can use the following equivalence statement derived from the ideal gas law (PV=nRT):

22.4 L = 1 mol

Hence, we calculate the required volume:

2.76molCO_2*\frac{22.4L\ CO_2}{1molCO_2} =61.8L\ CO_2

Learn more about ideal gases: brainly.com/question/11676583

6 0
2 years ago
The digestion process starts in the _____.<br> esophagus<br> stomach<br> small intestine<br> mouth
ahrayia [7]
Your mouth is where the digestion process starts because when yo chew your food, nutrients is released into your body
7 0
3 years ago
Read 2 more answers
What is the acronym for DNA??
victus00 [196]
The acronym 'DNA' stands for deoxyribonucleic acid.   

DNA is used to 'code' the genetic makeup of all living organisms, and is found inside the nucleus of the cell(Eukaryotes) or just floating in the cytoplasm of the cell(Prokaryotes).  DNA is made up of 4 different pairs of base molecules(nucleotides) that are slightly different from another.  The similar molecule structure RNA(ribonucleic acid) differs from DNA in that RNA nucleotides are just slightly different from the nucleotides of DNA.  This difference is that RNA nucleotides have a hydroxide group(OH) where the DNA nucleotides just have a hydrogen atom.  
Because the DNA nucleotide doesn't have the hydroxide group it has one less oxygen than RNA nucleotides do.  This is where DNA derives the prefix "deoxy-," meaning "without oxygen."  
The prefix "ribo-" is given to molecules with a certain configuration of a set of 3 consecutive but not necessarily contiguous CHOH(asymmetric) groups.
The combined form "nucleo-" is used to imply something that has to do with the nucleus, such as the nucleus of a cell where DNA is stored in Eukaryotes.  
And finally, the ending of the acronym: "acid." DNA is an acid because the 4 nucleotides each contain a phosphate group, which are acidic.

And thus, we get our answer: deoxyribonucleic acid, and the meaning:
deoxy-ribo-nucleic acid
(without oxygen) + (has 3 CHOH groups) + (in/of the nucleus) + (acidic)
Thus, DNA is a molecule is basically an acidic molecule residing in the nucleus with 3 CHOH groups and is missing oxygen atoms.

I know this isn't really what you're looking for, but honestly I had a great time doing a little research into the name!

Hope this explains it a little! c;
5 0
3 years ago
Which atom has a configuration that ends in 5s 2?
Alla [95]

Answer:  Zirconium [Kr]4d :)

Explanation:

4 0
3 years ago
Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to standardize strong base solutions.
Norma-Jean [14]

2 KHP(aq) + Ba(OH)_{2}(aq) ---> KP_{2}Ba (aq) + 2 H_{2}O (l)\

Moles of Ba(OH)_{2}=0.483 \frac{mol}{L} * 28.5 mL *\frac{1 L}{1000mL}  = 0.0138 mol Ba(OH)_{2}

Mass of KHP = 0.0138 mol Ba(OH)_{2} * \frac{2 mol KHP}{1 mol Ba(OH)_{2}}  * \frac{204.22 g KHP}{1mol KHP}

= 5.64 g KHP

6 0
3 years ago
Read 2 more answers
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