Chemical that can be mixed with another chemical to reduce the dangerous of a specific chemical

Answer:

[tex]Diffrence \: between \: graphite \: and \: diamond [/tex]

[tex]\qquad \huge{\sf{point \: 1}} ➫[/tex]

⇛Graphite is soft in nature

⇛Diamond is hardest substance

[tex]\qquad \huge{\sf{point \: 2}} ➫[/tex]

⇛Graphite is a good conductor

⇛Diamond is not a conductor

[tex]\qquad \huge{\sf{point \: 3}} ➫[/tex]

⇛Graphite is grey in colour

⇛Diamond have transperant look

[tex]\qquad \huge{\sf{point \: 4}} ➫[/tex]

⇛Graphite have SP² hybridization

⇛Diamond have SP³ hybridization

[tex]\qquad \huge{\sf{point \: 5}} ➫[/tex]

⇛Graphite have layered structure

⇛Diamond have crystalline structure

Answer:

Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.

When the pressure of a gas is decreased from 3.40 atm to 2.60 atm, the temperature of the gas will decrease from 60.0 degree celsius to 45.88 degree celsius.

Gay -Lussac law states that the pressure and temperature is in direct proportions. Thus, pressure increases with an increase in temperature. The relation can be mathematically expressed as follows:

P/T = a constant. Hence,

P1/T1 = P2/T2

The initial pressure of the sample is given, 3.46 atm and the initial temperature is 60 °C. The final temperature of the gas when gas the expand to the lower pressure of 2.60 atm is calculated as follows:

[tex]T_{2} = \frac{P_{2}T_{1}}{P_{1}}[/tex]

    = (60 °C× 2.60 atm) / 3.40 atm

    = 45.88 °C.

Hence, the final temperature of the gas which is expanded from the pressure of 3.40 atm to 2.60 atm with an initial temperature of 60 °C is  45.88  °C.

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Answer:

[tex]\displaystyle K_a = \frac{[\text{H$_3$O}^+][\text{F}^-]}{[\text{HF}]}[/tex]

Explanation:

Write the reaction of HF (a weak acid) with water:
[tex]\displaystyle \text{HF}_\text{(aq)} + \text{H$_2$O}_\text{($\ell$)} \rightleftharpoons \text{H$_3$O}^+_\text{(aq)} + \text{F}^-_\text{(aq)}[/tex]

Recall that the equilibrium constant expression for an equilibrium reaction is the product of the concentration of the products over the product of the concentration of the reactants raised to their respective coefficients.

The equilibrium constant expression for this equation will hence be:

[tex]\displaystyle K_a = \frac{[\text{H$_3$O}^+][\text{F}^-]}{[\text{HF}]}[/tex]

Note that pure solids and liquids are not included in the equilibrium expression.

In conclusion:

[tex]\displaystyle K_a = \frac{[\text{H$_3$O}^+][\text{F}^-]}{[\text{HF}]}[/tex]

Answer:

In fact, the inhibitor and substrate don't affect one another's binding to the enzyme at all. However, when the inhibitor is bound, the enzyme cannot catalyze its reaction to produce a product. Thus, noncompetitive inhibition acts by reducing the number of functional enzyme molecules that can carry out a reaction.

The equation for the hydrolysis of glyceryl triethanoate is C3H5(OH)3 + 3CH3COOH = C3H3(OCOCH3)3 + HOCH2CH(OH)CH2OH

Hydrolysis is a chemical reaction which water molecule break down one or more chemical bonds. This is use for substitution, elimination, and solubility.

Hydrolysis depend on the pH, solubility and chemical constituent of the substance.

Therefore, The equation for the hydrolysis of glyceryl triethanoate is C3H5(OH)3 + 3CH3COOH = C3H3(OCOCH3)3 + HOCH2CH(OH)CH2OH

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Answer:

A. Each type of cell carries out a specific function for the organism.

Explanation:

[tex]hope[/tex] [tex]this[/tex] [tex]helps![/tex] [tex]:)[/tex]

Answer:

c changes in energy causes matter to change

Magnesium oxide is an ionic compound with a very high melting point and which requires a large amount of energy for melting.

Ionic compounds are compounds which are formed between oppositely charged ions which are held together by electrostatic forces of attraction between the oppositely charged ions.

Ionic compounds are formed when metal atoms donate electrons to non-metals atoms to form ions.

Magnesium oxide is an ionic compound.

The nature of bonding is ionic bonding.

It has a crystalline lattice structure.

The forces of attraction is electrostatic forces of attraction.

It has a high melting point of 2,852 °C, and thus requires a large amount of energy go melting to occur.

Therefore, magnesium oxide is an ionic compound which requires a large amount of energy for melting.

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Answer: if anyone needs it <3

Explanation:

Answer:

adenine (A, green), thymine (T, red), cytosine (C, orange), and guanine (G, blue).

Explanation:

The nitrogen bases in a DNA molecule are adenine, guanine, cytosine, and thymine. Adenine and guanine belong to a class of compounds called purines, and cytosine and thymine belong to a class of compounds called pyrimidines. In a DNA molecule, the two strands are connecting by hydrogen bonds between the nitrogen bases of each strand. According to the base-pairing rule, the purine adenine always pairs with the pyrimidine thymine, and the purine guanine always pairs with the pyrimidine cytosine...

The net force on particle 3 due to the presence of particle 1 and particle 2 on the same straight line is 50.5 N to the right.

The force between the two particles is determined from Coulomb's law as shown below;

F = kq₁q₂/r²

F(1,2) = -(9 x 10⁹ x 28.1 x 10⁻⁶ x 25.5 x 10⁻⁶) / (0.3)²

F(1,2) = - 71.66 N

F(2,3) = + (9 x 10⁹ x 25.5 x 10⁻⁶ x 47.9 x 10⁻⁶) / (0.3)²

F(2,3) = + 122.15 N

The net force on particle 3 is determined as follows;

F(net) = 122.15 N - 71.66 N

F(net) = + 50.5 N

Thus, the net force on particle 3 due to the presence of particle 1 and particle 2 on the same straight line is 50.5 N to the right.

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Answer:

it says tick the box next to the correct answer so it'd be right to tick the last box:

The particles of the gas slow down

Answer:

342g/mol

Explanation:

Molar mass of carbon=12, hydrogen=1 and oxygen=16

therefore C12H22O11=12(12)+22(1)+11(16)

=144+22+176

=342g/mol

Magnesium and Calcium Oxide

Trick : Reactants are always on left

Answer:

magnesium and calcium oxide

Explanation:

According to kinetic molecular theory,changes of the state of matter occur when energy is added or removed from a substance

According to the Kinetic-Molecular Theory, changes of the state of matter occur when energy is added or removed from a substance. The addition of energy makes particles move more, pushing them apart and weakening the bonds between them. Removing energy makes particle movement slow down, re-forming the bonds.

Explanation:

Good question!

When you react an acid with a base,the pH of the product is determined by the concentrations of the reactants (the acid and the base)

If both reactants (acid and base) are strong,the pH of the product is 7

If the acid is stronger than the base,the pH of the product will be less than 7

If the base is stronger,the pH of the product will be greater than 7

I hope this helps

Answer:

The correct answer is coats the pathogen exterior so that it is recognized by the host's phagocytes. :)

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For a metal crystallizes into a face-centered cubic unit cell and has a radius of 2.86 Angstrom, the density  is mathematically given as

d=3.31g/cm

Generally, the equation for the density  is mathematically given as

[tex]d=\frac{2*m}{NA*a^3}\\\\Therefore\\\\d=\frac{2*295.6mol}{6.022*10^23*(6.67*10^{-3})}[/tex]

d=3.31g/cm

In conclusion, the density of this metal

d=3.31g/cm

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Answer:

A. would be your answer

Explanation:

Decomposers are especially important in retaining nutrients in their cells thus preventing loss of those nutrients from the root zone.

In an ecosystem, the decomposing web is important because decomposers help remove waste and use that energy to provide food for other animals.

An ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the ecosystem through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass  which is present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

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Answer:

d.have a mass of 1 amu..

Explanation:

Does not match a as the answer for a is electrons B.electron circle around the nucleus because neutrons are inside the nucleus.C.proton and neutrons make the nucleus so the only answer left is .d .which is correct

Answer:c are the only are the only particle that form the nucleus

Explanation:

Answer:

Gas can be compress easily than liquid or solid because, molecules are more spread in gas than solin or liquid.

Brainliest if this helps you. please

Based on the titration curve of the monoprotic acid, pKa of the monoprotic acid is closest to 8.0.

A titration curve of an acid is a curve obtained from the plot of the pH against the amount of base added.

The titration curve of an acid reveals its pKa.

The pKa corresponds to the midpoint of titration when equal concentrations of the acid and base have reacted.

From the titration curve above, the pKa of the monoprotic acid is closest to 8.0.

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The molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

The molarity of a solution can be calculated using the following expression:

CaVa = CbVb

Where;

In this question;

Ca × 250 = 10 × 20

250Ca = 200

Ca = 200/250

Ca = 0.8M

Therefore, the molarity of a 250. mL H2SO4 solution that was made from a 20.0 mL of a 10.0 M stock solution is 0.8M.

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Answer:

The oceans are the very foundation of human life. life itself arose from the oceans. The oceans are vast, covering about 140 million square miles, some covering 72 percent of the earth's surface.

Explanation:

Uranium-235 which has a half-life of 713 million years will best suited in dating a fossil from Precambrian time.

Thi8s is defined as a trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

The Precambrian time occurred around 4.6 billions years ago and Uranium-235 which having a half-life of 713 million years means it's more useful when compared to carbon-14 which has a half life of 5,370 years.

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The solubility of the gas if the pressure is changed to 100 kPa is 0.742 g/L

As the pressure of a gas increases, the solubility increases, and as the pressure of a gas decreases, the solubility decreases.

Thus, Solubility varies directly with Pressure

If S represents Solubility and P represents Pressure,

Then we can write that

S ∝ P

Introducing proportionality constant, k

S = kP

S/P = k

∴ We can write that

[tex]\frac{S_{1} }{P_{1} } = \frac{S_{2} }{P_{2} }[/tex]

Where [tex]S_{1}[/tex] is the initial solubility

[tex]P_{1}[/tex] is the initial pressure

[tex]S_{2}[/tex] is the final solubility

[tex]P_{2}[/tex] is the final pressure

From the given information

[tex]S_{1} = 0.890 \ g/L[/tex]

[tex]P_{1} = 120 \ kPa[/tex]

[tex]P_{2} = 100 \ kPa[/tex]

Putting the parameters into the formula, we get

[tex]\frac{0.890}{120}=\frac{S_{2}}{100}[/tex]

[tex]S_{2}= \frac{0.890 \times 100}{120}[/tex]

[tex]S_{2}= 0.742 \ g/L[/tex]

Hence, the solubility of the gas if the pressure is changed to 100 kPa is 0.742 g/L

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