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dexar [7]
3 years ago
7

Which is the smallest part of a compound called?

Chemistry
2 answers:
lidiya [134]3 years ago
6 0
The answer is molecule

sineoko [7]3 years ago
3 0
The atom is the smallest part.
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What element has an r.m.m of 72​
igomit [66]

Answer:

Germanium

Explanation:

The element Germanium is one with a relative molecular mass of 72. This corresponds to the mass number of this element.

Relative molecular mass of an element is the mass of a formula unit to that of a carbon-12 atom.

The chemical symbol of Germanium is Ge. It is a lustrous and hard metalloid belonging to the carbon group.

It was discovered by Clemens Alexander Winkler.

7 0
3 years ago
The monoprotic acid from among the following is
oksian1 [2.3K]

Monoprotic acid are acids having only one hydrogen atoms after dissociation into ions from its compound. The monoprotic acid from among the following is HCl. The answer is letter D. HCl → H+ + Cl-. Note that there is only one H+ ion upon dissociation.

3 0
3 years ago
Read 2 more answers
What is the mass, in grams, of one mole of any substance known as?
Mashutka [201]

The answer is B. the molar mass.

The molar mass of a chemical compound is defined as the mass of a sample of that compound divided by the amount of substance in that sample, measured in moles.

4 0
3 years ago
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A solution contains 3.95 g of carbon disulfide (CS2, molar mass = 76.13 g/mol) and 2.43 g of acetone ((CH3)2CO, molar mass = 58.
Feliz [49]

Answer:

The solution is not ideal and shows a positive deviation from Raoult’s law since Psolution (experimental) > Psolution (actual).

Explanation:

Number of moles of CS2 = 3.95g/76.13gmol-1 = 0.0519 moles

Number of moles of acetone = 2.43g/58.08gmol-1 = 0.0418 moles

Total number of moles = 0.0937 moles

Mole fraction of CS2 = 0.0519/0.0937 = 0.5538

Mole fraction of acetone = 0.0418/0.0937 = 0.4461

From Raoult’s law;

PCS2 = 0.5538 × 515 torr = 285.207 torr

Pacetone = 0.4461 × 332 torr = 148.1052 torr

Total pressure = 285.207 torr + 148.1052 torr = 433.3 torr

6 0
3 years ago
Compare the structure and function of rhizoids and stolons? please help I need this answer for science
ladessa [460]
structural difference between  Rhizoids and  stolons
 Rhizoids   are  root  like  structure  organs    while   stolons  are a  specialized  type  of  horizontal   above  the  ground

functional  difference
 Rhizoids  absorb  water  and  nutrient ,  They  keep  plant  attached  on  the  soil  while  stolons  are  propagation  of  the  plant.
7 0
3 years ago
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