Use the equation to answer the prompt. A student claims that the equation models beta-minus decay because the atomic number of the nucleus decreases by one. In one or two sentences, explain the error in the student's reasoning.

​

Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and carbon dioxide (CO2). These small, fat soluble gasses and other small lipid soluble molecules can dissolve in the membrane and enter or exit the cell following their concentration gradient.

Answer:

Refracting

Explanation:

A combustion reaction is a reaction that reacts with oxygen to produce the product. 3.5 moles of methane release - 3115 kJ/mol of heat.  

A combustion reaction is a chemical reaction that involves the burning of the reactant in the presence of the oxygen molecule to release heat.

The balanced reaction of methane combustion is given as:

CH₄(g) + 2O₂ (g) → CO₂(g) + 2H₂O (l), ΔH = -890 kJ/mol

From the reaction, it can be said that 1 mole of methane combusts to produce -890kJ/mol enthalpy.

So, 3.5 moles will produce, 3.5 × -890kJ/mol = - 3115 kJ/mol.

Therefore, 3.5 moles of methane produce - 3115 kJ/mol heat.

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When natural conditions are present in a free market then, the natural monopoly arises. Dstv is unique and has no other substituents that make them an example of monopoly.

Monopoly is the dominance of a single product, goods, service, business, etc. in the market or the economic sector that excludes the other competitors. They can be the single seller that sells in the business.

DStv is a monopoly in America and includes natural gases, electricity, and communication services. It has no other competitor in the market and has control over others. They are the sole service provider and have no close substitutes.

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Deforestation often leads to an increase in the number of endangered species of plants and or animals.

Deforestation refers to the conversion of forests to non-forest uses. In other words, it is the removal of forest layers for non-forest reasons.

Since forests represent a hotspot for plant and animal biodiversity, their removal automatically means a decrease in biodiversity.

Endangered species are species of plants and animals that are under the threat of going extinct either due to natural or anthropological effects.

Thus, deforestation often leads to an increase in the number of endangered species.

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Answer:

b

Explanation:

Moles of copper

Mass of copper

Now

According to law of conservation of mass

Mass of products=Mass of reactants

Answer:

To determine whether a substance is an acid or a base, count the hydrogens on each substance before and after the reaction. If the number of hydrogens has decreased that substance is the acid (donates hydrogen ions). If the number of hydrogens has increased that substance is the base (accepts hydrogen ions

Answer:

The lower the atmospheric pressure, the lower the boiling point will be. The greater the pressure, the more energy required for liquids to boil, and the higher the boiling point.

Answer:

Fossil fuels release greenhouse gases and are non renewable

Answer:

the answer to your question is 1.00784 u

molar mass of H₂S

= 2.Ar H + 1.Ar S

= 2. 1,00784 u + 1. 32,065 u

= 34.08068 u

Answer:

4198.97404999

Explanation:

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

The major problem with CFCs is that It is a greenhouse gas, Option A is correct.

Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine.

They are used in the manufacture of aerosol sprays, blowing agents for foams and packing materials, as solvents, and as refrigerants.

CFCs are classified as halocarbons, a class of compounds that contain atoms of carbon and halogen atoms

The major problem with CFC's is that they are green house gases

It destroys ozone in the upper atmosphere (stratosphere).

CFCs can produce more than 10,000 times as much warming, pound for pound, once they are in the air.

It is not  only because of their dramatic warming potential  but also  

They were found to be the primary cause of the rapidly escalating destruction of the Earth’s ozone layer,

which protects the planet from dangerous, cancer-causing levels of ultraviolet radiation.

Therefore The major problem with CFCs is that It is a greenhouse gas, Option A is correct.

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Answer:

Neither because it’s a longitudinal wave that is supposed to be the answer

Explanation:

Answer:

Destructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.

Explanation:

Destructive interference has lesser intensity.

When the trough of Wave A overlaps the crest of Wave B, destructive interference will occur, causing the new wave to have less energy than Wave A or Wave B. Therefore, option C is correct.

Interference is the phenomenon that occurs when two or more waves meet and overlap with each other.

There are two types of interference: constructive interference and destructive interference.

Therefore, option C is correct.

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d) This is because they contain equal numbers of positive protons and negative electrons. These opposite charges cancel each other out making the atom neutral.

The answer is Ethene.

Produced by heating natural gas.

Answer:

2H2+O2=2H20

Explanation: Since there are 2 Oxygen in the reactants then there must be 2 Oxygen in the products, meaning there is a coefficient of 2 in front of H20 and that makes there be 4 Hydrogen, so adjust the reactants (2 H2)

H2SO3 is the correct answer. I understand school is hard, but WORK HARDER!

The answer is 125 ml air bubbles come out from under the glass

Charles's Law describes the directly proportional relationship between the volume and temperature (in Kelvin) of a fixed amount of gas, when the pressure is held constant.

V∝T

or express from two volume/temperature points:

[tex]\rm\dfrac{V_{1}}{T_{1}} =\dfrac{V_{2}}{T_{2}}[/tex]

This equation can be used to solve for initial or final value of volume or temperature

under the given condition that pressure and the number of mole of the gas stay the same.

It is given that

V₁ = 500 ml  

T₁= 7 + 273 = 280 K

T₂ = 77+273 = 350 K

​V₂= ?

Substituting the values in the above in the above equation

[tex]\rm\dfrac{500}{280}} =\dfrac{V_{2}}{350}[/tex]

​V₂ =  625 ML

The volume of the glass is still 500 ml,

so, the volume of bubbles is 125 ml.

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The amount, in grams, of [tex]N_2[/tex] that will be consumed to produce 265 grams of [tex]CaCN_2[/tex] will be 80.61 grams

From the equation of the reaction:

[tex]CaC_2 + N_2 --- > CaCN_2 + C[/tex]

The mole ratio of  [tex]N_2[/tex] consumed to   [tex]CaCN_2[/tex] produced is 1:1.

Mole of 265 grams of  [tex]CaCN_2[/tex] = 265/92.11 = 2.88 moles

Equivalent moles of  [tex]N_2[/tex] = 2.88 moles

Mass of 2.88 moles  [tex]N_2[/tex] = 2.88 x 28.02 = 80.61 grams

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Sun (radiation), winds (eolic) and water (hydraulic) are all sources of energy that work together during rock formation.

The rock formation is a very slow process that occurs at a geological time, which may take millions of years.

During this period, rocks are shaped by different types of energy, especially radiation and erosion (wind and water bodies)

In conclusion, the sun (radiation), winds (eolic) and water (hydraulic) work together during rock formation.

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Answer:

Mole Ratio Fraction

Explanation:

That's the answer.......

Answer:

Explanation:

Mole Ratio Fraction

Answer:

980,536.2 grams

Explanation:

The mass of a compound is equal to its moles times its molar mass.

The molar mass of PCl3 is 137.33 g/mol

137.33 x 7.14 x 10^3 = 980,536.2

Answer:

Frequency of the ultrasonic sound, f=1000kHz=10

6

Hz

Speed of sound in air, V

a

=340m/s

The wavelength (λ

r

) of the reflected sound is given by the relation:

λ

r

=V/f

=340/10

6

=3.4×10

−4

m.

(b) Frequency of the ultrasonic sound, f=1000kHz=10

6

Hz

Speed of sound in water, V

w

=1486 m/s

The wavelength of the transmitted sound is given as:

λ

r

=1486/10

6

=1.49×10

−3

m.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

Here we go ~

There are 4 carbon atoms in the chain, so it's prefix should be " But " and there are only sigma bonds, therefore the primary suffix will be " ane ", and the functional group attached to the end is " OH " denoting alcohol group, so the secondary suffix will be " ol "

Hence, the name of the compound will be ~

[tex]\qquad \sf  \dashrightarrow \:Butan - 1 - ol[/tex]

or simply

[tex]\qquad \sf  \dashrightarrow \: Butan ol[/tex]

The Intermolecular force is a type of force which exists between particles in an Ideal gas.

Intermolecular forces are considered weaker attractions that hold molecules in gas close together. This force of attraction is present between molecules or particles.

So we can conclude that the Intermolecular force is a type of force which exists between particles in an Ideal gas.

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Answer: A fossil will usually have remains or impressions of an animal or plant.

Answer:

the answer is b

Explanation:

trust me

Answer:

Acid: HSO4-

Base: NH3

Conjugate Acid: NH4+

Conjugate Base: SO4-2

Explanation:

HSO4- gives a H+ to NH3 making NH4+ the conjugate acid.

Same can be said to the base.

Answer:

(a) Oil

Explanation:

Oil is a renewable source, along with natural gas, coal, and nuclear energy.

lmk is this helped you

~rere

Answer:

A. Oil

Explanation:

Oil, along with natural gas, and coal are called fossil fuels and fossil fuels were formed within the Earth from dead plants and animals millions of years ago.