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aliina [53]
3 years ago
14

What must differ between the atom of two different elements

Chemistry
2 answers:
Semmy [17]3 years ago
8 0

protons in the atom

that is what the awnser is


Serjik [45]3 years ago
7 0
The atoms of different elements differ in the number of protons.<span> That is how the elements are ordered in the periodic table. The number of protons of an atom is its atomic number. The elements are placed in the periodic table in ascending order. For example, H has 1 proton (atomic number 1), Helium has 2 protons (atomic number 2), lithium has 3 protons (atomic number 3), berilium has 4 protons (atomic number 4), and so on. Do not doubt it all the atoms of a specific element have the same number of protons and the atoms of diferent elements will never have the same number of protons.</span>
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1.
Leya [2.2K]

Answer:

V₂ = 530.5 mL

Explanation:

Given data:

Initial temperature = 20.0°C

Final temperature = 40.0 °C

Final volume = 585 mL

Initial volume = ?

Solution:

Initial temperature = 20.0°C (20+273 = 293 K)

Final temperature = 40.0 °C (40+273 = 323 K)

Solution:

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₁ = V₂T₁ /T₂  

V₂ = 585 mL × 293 K / 323 K

V₂ = 171405 mL.K / 323 K

V₂ = 530.5 mL

6 0
3 years ago
Draw the most stable lewis structure of acrolein.
NeX [460]
See image below for the lewis structure of acrolein

3 0
4 years ago
Read 2 more answers
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Sladkaya [172]

Answer:

i don't understand your question.

Explanation:

Too confusing to read

8 0
3 years ago
Methyl isocyanate, H3C-N=C=O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As
statuscvo [17]

Answer:

(a) The lewis structure for methylisocyanate is in the attached.

(b) The carbonyl carbon have an sp² hybridization

(c) The nitrogen have an sp² hybridization?

Explanation:

(a) The lewis structure for methylisocyanate has the nitrogen with one lone pair and the oxygen with two lone pairs.

(b) The carbonyl carbon form double bond with the oxygen causing to form three hybrid orbitals sp².

The Nitrogen also forms a double bond with the carbon having an sp² hybridization too.

6 0
3 years ago
What substance is acting as the Brønsted-Lowry base in the forward reaction below? H2O + HCI ----&gt; H3O+ CI-
yarga [219]
H2O is the Bronsted-Lowry base because it accepts the hydrogen ion to become H3O after the reaction is complete.
6 0
3 years ago
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