What is the noble gas configuration for silicon?

Answers

Answer 1

Answer:

In the given question, the noble gas configuration for silicon is [Ne] 3s² 3p².

Noble gases are a group of chemical elements that are characterized by their low reactivity and stable electronic configuration. The six noble gases are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).

The noble gas configuration of an element is the electron configuration of the nearest noble gas element.

In the case of silicon, the nearest noble gas to it is neon (Ne), which has an electron configuration of 1s² 2s² 2p⁶.
To write the noble gas configuration for silicon, we first write the electron configuration of silicon, which is 1s² 2s² 2p⁶ 3s² 3p².
Then, we look at the electron configuration of the nearest noble gas element, which is neon, and write its electron configuration in brackets, [Ne].
Finally, we add the remaining electrons of silicon's electron configuration after the noble gas configuration.

Therefore, [Ne] 3s² 3p² is the noble gas configuration for silicon.

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Answer 2

Answer:

The noble gas configuration of Silicon is [Ne] 3s23p2. The full electron configuration of silicon is 1s22s22p63s23p2. To find its noble gas shorthand, look at the full electron configuration and see how many filled shells there are. For silicon, all but the outermost shell is filled. So the number of filled shells is 2. Now look at the periodic table and find the noble gas at the end of the period the same as the number of filled shells. The noble gas at the end of Period 2 is neon, Ne.

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What is the chemical reaction for respiration

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A solution is made by dissolving 10.20 grams of glucose (C6H12O6) in 355 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m? Show all of the work needed to solve this problem.

Answers

The freezing point constant means that the temperature depression when adding one mole of the solute. The mole number of the solute is 10.20/180=0.0567 mol. So the answer is 1.86*0.0567=0.105 ℃.

10.20 g C6H12O6 x (1 mole C6H12O6 / 180 g C6H12O6) = 0.0567 mole C6H12O6

Then convert grams of water to kilograms of water by dividing by 1000.

355 g / 1000 = .355 Kg of H2O

molality (m) = (0.0567 mole C6H12O6 / .355 Kg of H2O) = 0.160 m

Then plug it in to the formula Δtf = Kfm

Δtf = (-1.86 °C/m) x (0.160 m)

Δtf = -0.298 °C

H2(g) + CO2(g) + 10 kcal H2O(g) + CO(g)In another experiment involving the above reaction at 1,000°C, the equilibrium concentrations were found to be:

H2(g) = 2.0 moles per liter
H2O(g) = 4.0 moles per liter
CO2(g) = 5.0 moles per liter
CO(g) = 4.0 moles per liter

What is the equilibrium constant, Keq, for this reaction?

Answers

Answer: The equilibrium constant for the given reaction is 0.8

Explanation:

Equilibrium constant is defined as the ratio of concentration of the products raised to the power its stoichiometric coefficients to the concentration of reactants raised to power its stoichiometric coefficient. It is represented as $K_c$

For the general equation:

$aA+bB\rightleftharpoons cC+dD$

The equilibrium constant is represented as:

$K_c=([C]^c[D]^d)/([A]^a[B]^b)$

For the given chemical equation:

$H_2(g)+CO_2(g)+10 kcal\rightleftharpoons H_2O(g)+CO(g)$

$K_c$ for this equation is given by:

$K_c=([H_2O][CO])/([H_2][CO_2])$

Concentration at equilibrium of

$H_2=2mol/L\nH_2O=4mol/L\nCO_2=5mol/L\nCO=4mol/L$

Putting values in above equation, we get:

$K_c=(4* 4)/(2* 5)\nK_c=0.8$

Hence, the equilibrium constant for the given chemical reaction is 0.8

This might be a little hard for me but I got it. So you have 2.0, 4.0, 5.0 and 4.0. Subtract from 3.0 - 2.0 = 1.0 and 4.5 - 2.0 = 2.5.

So now we have other answers.

H20, H2, CO2 and CO

Keq reaction for each formula is 1.6

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Erythrocytes, neurons, skeletal cells, and columnar cells are examples of _____ cells.plant
bacterial
immunity
specialized

Answers

Erythrocytes, neurons, skeletal cells, and columnar cells are examples of specialized cells. All these cells have differentiated from embryonic stem cells and specialized for different functions. Therefore, they are specialized cells. They have specific structures that allow them to perform their specialized functions.

the answer is SPECIALIZED

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A camcorder has a power rating of 16 watts. If the output voltage from its battery is 8 volts, what current does it use?