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4 years ago

12

The electron cloud model describes the _____ of electrons in an atom.

2 answers:

laila [671]4 years ago

6 0

Answer: Likely Locations.

Explanation: Electron Cloud Model is the model which is used to describe the location of electrons wen they revolve around the nucleus.

Erwin Schrodinger proposed this model and guessed the position of the electrons . According to him, they were supposed to be present in the shape of cloud around the nucleus hence the name Electron Cloud Model.

SVETLANKA909090 [29]4 years ago

4 0

Likely Locations is your answer .-.

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What is the main chemical compound cells use for energy?

Ksenya-84 [330]

The main chemical compound cells use for energy is Adenosine Triphosphate (ATP)

7 0

4 years ago

A steel container filled with H₂ gas is at a pressure of 6.5 atm and a temperature of 22°C. If the container is placed near a fu

Yuki888 [10]

Answer: The new pressure is 7.1 atm

Explanation:

To calculate the final pressure of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

$\frac{P_1}{T_1}=\frac{P_2}{T_2}$

where,

$P_1\text{ and }T_1$ are the initial pressure and temperature of the gas.

$P_2\text{ and }T_2$ are the final pressure and temperature of the gas.

We are given:

$P_1=6.5atm\\T_1=22^0C=(22+273)K=295K\\P_2=?\\T_2=50^0C=(50+273)K=323K$

Putting values in above equation, we get:

$\frac{6.5}{295}=\frac{P_2}{323}\\\\P_2=7.1$

Hence, the new pressure is 7.1 atm

8 0

3 years ago

Use the following: Chlorine is used to bleach cloth. Excess Chlorine is destroyed by its reaction with Sodium Thiosulfate (Na2S2

vovangra [49]

Answer:

Explanation:

Na₂S₂O₃ + 4Cl₂ + 5H₂O → 2NaHSO₄ + 8HCl.

4 moles 8 moles

4 moles of Cl₂ forms 8 moles of HCl

.25 moles of Cl₂ forms 8 x .25 / 4 moles of HCl

HCl formed = .50 moles .

E is the answer .

3 0

3 years ago

Use the periodic table to determine which of the following could be an isotope of indium (In). Check all that apply. Z = 49, A =

Anastasy [175]

The isotopes are the elements with same atomic number but different atomic mass or mass number

The mass number is denoted by Z

The mass number is denoted by A

The number of neutrons = N

We know that for an element

A = Z + N

As given the element is indium , its atomic number = Z = 49

Z = 49, A = 113 N = 64, This could be an isotope of indium

Z = 49 N = 61, A = 113 , this could also be an isotope of indium

A = 110, N = 49 it means Z = Z - N = 110-49 = 61 So this is not isotope of indium

6 0

4 years ago

Read 2 more answers

Which of the following is not a polymer<br>A. Glucose.<br>B. Starch.<br>C. Cellulose.<br>D. DNA.

WARRIOR [948]

Answer:

A. Glucose

Explanation:

Glucose is a monomer and not a polymer. So, option (A) is not a polymer.

3 0

3 years ago

Read 2 more answers