4 years ago

What is the smallest identifiable unit of a compound

Chemistry

2 answers:

svet-max [94.6K]4 years ago

8 0

Answer:

The smallest identifiable unit of a compound is an element, which is made up of atoms which are chemically bonded.

iogann1982 [59]4 years ago

4 0

Answer:A(n) molecule that is made up of atoms that are chemically bonded is the smallest recognizable unit of a compound.

Explanation:

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Please help!

Afina-wow [57]

False.
False.
True.
If you need more explaination just let me know!

7 0

4 years ago

How many kilocalories are required to increase the temperature of 15.6 g of iron from 122 °c to 355 °c. the specific heat of iro

Dmitriy789 [7]

Heat require to boil 15.6 g iron from 122 C0to 355 C0 whereas,

$Q = m s dT$

Where, m is mass of iron

s is specific heat of iron

d T is change in temperature in celcius

$= 15.6 g * 0.45 J /g /C * (355 - 122) = 1.63 * 10^3 J$

1 cal = 4.2 J

Then,

$Q = (1.63 * 10^3) /4.2 = 0.389 K cal$

Thus 0.389 k cal of enrgy is required by a 15.6 g Fe to reach to 355 C^0

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4 years ago

The prefix 'mili-' means a thousandth. So a mili-liter is a thousandth of a liter. 1 mili-liter = 1/1000 liter How many liters i

Vesnalui [34]

it would be 0.623 hope this helps

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4 years ago

How many molecules are in 1.00 gram of water, h2o?

arsen [322]

N(H₂O)=1g÷18g/mol=0,055mol
N(H₂O)=0,055mol · 6·10²³ 1/mol (Avogadro number)= 3,33·10²² molecules.

7 0

3 years ago

How many moles of Oxygen is produced when you begin with 7.16 moles of KCl?

ohaa [14]

According to the balanced reaction equation:

2KClO3→ 2KCl + 3O2

from this equation, we can see that the molar ratio between KCl & O2 is 2 : 3

so, 2 moles of KCl will need 3 moles of O2

∴ 7.16 moles of KCl will need X moles of O2

∴number of moles of O produced = 7.16 * 3 / 2

= 10.74 moles

8 0

4 years ago