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Amiraneli [1.4K]
2 years ago
13

How many atoms are there in 90.2 g of selenium?

Chemistry
1 answer:
tia_tia [17]2 years ago
3 0

Answer:First calculate the moles of selenium by multiplying the mass x molar mass 90.2 × 78.96 = 7122.2 moles. Number of moles multiplied by ...

Explanation:

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CsBr formula name???
olganol [36]

Answer

PubChem CID/molecular formula

Explanation:

Cesium bromide

PubChem CID 24592

Molecular Formula CsBr or BrCs

Synonyms CESIUM BROMIDE 7787-69-1 Caesium bromide Cesiumbromide Cesium bromide (CsBr) More...

Molecular Weight 212.81 g/mol

Component Compounds CID 260 (Hydrogen bromide) CID 5354618 (Cesium)

have a good day /night

may i please have a branllist

4 0
3 years ago
Thermal energy _____ as temperature increases
Romashka-Z-Leto [24]
A. increases

As the temperature increases, the average kinetic energy of the particles in an object will increase. If the temperature of an object doesn't change, the thermal energy will increase as the mass of the object increases.

hope this helps <3
5 0
2 years ago
Explain why liquids and gases differ in density and ability to be compressed ?
EastWind [94]
Gases are less dense and the molecules are farther apart which means that it can be compressed
7 0
3 years ago
Read 2 more answers
In the experiment "Beer-Lambert’s Law and Spectrophotometry", you prepared a calibration plot similar to the one pictured below.
dexar [7]

Answer:

0.025M

Explanation:

As you must see in your graph, each concentration of the experiment has an absorbance. Following the Beer-Lambert's law that states "The absorbance of a solution is directely proportional to its concentration".

At 0.35 of absorbance, the plot has a concentration of:

<h3>0.025M</h3>
8 0
3 years ago
Names of nitrogenousbonucleic bases in dna
Crazy boy [7]

Explanation:

The four nitrogenous bases present in DNA are adenine (A), guanine (G), cytosine (C) and thymine (T).

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