Please help me with this net ionic chem equation

Answer:

Decomposition

Answer:

0.897

Explanation:

Answer:

B

Explanation:

got it right on test

Answer:

Yes the correct answer is B

Explanation:

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mitochondria

im not 100% sure but it makes sense

Answer:

when they have satisfied the octet rule naturally or through bonding to obtain full valence shells

Explanation:

Generally, most atoms of an element are unstable because they have a void in their electron shell to fill, hence, they need to react with other elements to fulfil this task of octet.

Octet rule states that atoms of elements engage in reactions to form compounds so they can have eight (8) valence electrons in their shell. Noble gases e.g argon, neon etc. are elements that have naturally satisfied this octet rule by possession of 8 valence electrons in their shell. Other elements that do not have this naturally becomes reactive and enter bonding with other atoms to obtain full valence shells.

Hydrogen

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Hydrogen-1 serves as the starting reactant in fusion reactions in the sun. This is due to the sun's composition, which is around 70% hydrogen and 28% helium with 2% heavier components. As a result, hydrogen-1 is both the most prevalent and most likely to be employed in a fusion process in the sun.

Two hydrogen-1 nuclei are fused together to create a helium-4 nucleus in the sun's fusion reaction, which releases energy in the process. This is the most significant energy source in the sun and is known as the proton-proton chain reaction.

When two hydrogen-1 nuclei collide to generate a deuterium nucleus, a gamma ray is released as a result, starting the reaction. Then, this deuterium nucleus strikes another.A helium-3 nucleus is created from a hydrogen-1 nucleus, which also produces a gamma ray.

The reaction is finally finished when two helium-3 nuclei meet to produce a helium-4 nucleus, producing two gamma rays in the process. Since hydrogen-1 is the most prevalent element in the sun and the element that is most likely to be employed in the proton-proton chain reaction, it is the first reactant for a fusion process in the sun.

A deuterium nucleus is created by the collision of two hydrogen-1 nuclei, which is followed by a sequence of further processes that ultimately result in the development of a helium-4 nucleus.  

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Answer:

The list of elements from increasing electronegativity: Calcium <  magnesium < chlorine < argon < boron.

Explanation:

In the periodic table if you move from left to right there would be an increase in the electronegativity of the elements. If you move from the bottom to the top of the groups in the periodic table the electronegativity increases and if u move to the bottom from down its decreases.

Calcium is in the 2nd group below magnesium so calcium is the least electronegative among given elements then magnesium and then chlorine as it is top of magnesium then argon, as it is right to the chlorine, and boron has the most electronegativity as it is above rest of the elements.

Answer:

protons and neutrons

Explanation:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

Answer:

the outer core is important because the outer core is responsible for earth's magnetic field which protects earth from harmful particles that comes from sun and also contains some natural metal like nikle and iron.

is this much paragraph enough comment down below..

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Answer:

coz would be equal so you would need co3 instead

Explanation:

Answer:

Explanation:

1. Shift towards products

- Decrease in no. of cars

- Decrease in no. of farms

2. Shift towards reactants

- Decrease in shellfish

- Loss of trees

- Increase in earth's temperature

Answer:

2.96 L

Explanation:

We apply the Ideal Gases Law to determine this:

P . V = n . R . T

Firstly we need to know the pressure for the 2.25 moles

P . 1.80L = 2.25 mol . 0.082 L.atm/mol.K . 298K

(We convert T°C to T°K, 25°C + 273 = 298K)

P = (2.25 mol . 0.082 L.atm/mol.K . 298K) / 1.80L

P = 30.5 atm

So now, we apply the pressure value for the new conditions:

30.5 atm . V = 3.7 mol . 0.082 . 298K

V = (3.7 mol . 0.082 . 298K) / 30.5atm = 2.96 L

Answer: B and E

Explanation:

The chemical reactions are all around us. Here for the given reaction the tablet completely disappeared and evidence of a chemical reaction includes the production of something new: a gas. The correct options are A and E.

A chemical reaction is defined as the reaction in which the bonds are broken within the reactant molecules and the new bonds are formed within the product molecules. In a chemical reaction the compounds interact to form new substances called products.

In a chemical reaction, a chemical change must occur which is generally observed with precipitation, heat formation, etc.

Thus the correct statements are options A and E.

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Answer:

3.2M HCl Solution

Explanation:

Molarity = moles of solute / volume of solution expressed in liters

moles of solute = 0.80 moles HCl

volume of solution = 250 ml = 0.250 Liter

Molarity (M) = 0.80 moles HCl / 0.250 Liters = 3.2M HCl Solution

Answer:    1.7x10^-5

Explanation:

pH + pOH = 14

14 - pH = pOH

14 - 9.23 = 4.77

pOH =4.77

[OH-] = 10^-pOH

         = 10^-4.77

         = 1.698243x10^-5

         = 1.7x10^-5

Answer:

the IUPAC name of the following compound is 2,3 dimethyl pentane!

Answer:

Gas giants.

Explanation:

Jupiter, Saturn, Uranus, and Neptune are the gas giants of our solar system.

Answer:

Examples of how the ideas can be applied to the issues and practices of hydraulic fracturing for the acquisition of shale gas are;

Reuse; The produced water in obtained from oil and gas well production are reused for fracking, drilling, and if the water is good enough, it can be used for farming

Reduce; The use of recycled brine and water in drilling and fracking process reduces the application of freshwater in the those processes and reduces pollution of natural water sources

Recycle; Recycling involves creating products from waste. In the hydraulic fracturing process approximately 13 percent of the water produced and the flowback water are recycled to be used more than once thereby reducing the net consumption of freshwater

Explanation:

In hydraulic fracturing, also known informally as fracking, is the drilling method used in oil and gas well development process that makes use of water sand and chemical injection through the well bore to open and widen cracks in the bedrock formations in the areas around the wellbore.

I am so sorry i cant help but good luck

Answer:

mudslide

Explanation:

a mass of mud and other earthy material that is falling or has fallen down a hillside or other slope

Answer:

d

Explanation:

they would all have the same volumes

Answer:

bh yftd5xsdcfvgbhnjm

Explanation:

Answer:

190k 100 on the test

Explanation:

Answer:

the concentration of the solution is 2 mol/L.

Explanation:

Molarity is defined as the concentration of a solution expressed in terms number of moles of solute per liter of solution.

Mathematically Molarity is expressed as follow;

[tex]Molarity = \frac{Moles \ of \ solute}{Liters \ of \ solution} \\\\[/tex]

Given;

Volume of the solution, V = 0.45 L

Moles of the solute, n = 0.9 moles

The concentration of the solution [tex]= \frac{0.9}{0.45} = 2 \ mol/L[/tex]

Therefore, the concentration of the solution is 2 mol/L.

Answer:

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Explanation:

cancer