Lead (II) acetate reacts with sodium hydroxide to produce lead (II) hydroxide and sodiumacetate. Please write the chemical equation and *don't* balance the sides!

Answers

Answer 1

The chemical equation is:

Pb(CH₃COO₎₂ + NaOH  ---> Pb(OH)₂ + CH₃COONa

What is a chemical equation of a reaction?

A chemical equation of a reaction is an equation which shows the reactants and products of a reaction using their chemical formulae.

The chemical equation when Lead (II) acetate reacts with sodium hydroxide to produce lead (II) hydroxide and sodium acetate is given below:

Pb(CH₃COO₎₂ + NaOH  ---> Pb(OH)₂ + CH₃COONa

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Related Questions

during chemical reactions do atoms get destroyed?

Answers

No. Atoms do not get destroyed during reactions.

Law of conservation of matter

According to the law of conservation of matter, matters can not be created nor destroyed in any way. Be it during reactions or otherwise.

However, matters can be converted from one form to another during reactions.

Atoms are a form of matter, and thus, cannot be destroyed during reactions.

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Ca is an atom. Why?
Help me asap pleased

Answers

Answer:

It has protons, neutrons and electrons

plssssssssssssssssssssss helppppppppppppppppppppppppppppppppppppp

Answers

Answer:

protons and neutrons have different charges but they have approximately the same mass

If the pH of a solution is 4.7, what is the H+ concentration?

Answers

Answer:

0.000019952mol/dm3

Explanation:

pH=-log(H+)

4.7= -log(H+)

log(H+)=-4.7

(H+)=10*-4.7=0.000019952

In the nebular hypothesis, why did the nebula start to collapse?

Answers

Answer:

Because of gravity and as a result, created planets and stars.

(Likely by a nearby supernova shockwave also)

What is a step by step explanation of the nebular hypothesis?

Although I'm not an expert, I seem to recall reading that solar systems often begin with clouds of unorganized matter measuring 20 parsecs (65 light years) across. Most of them are hydrogen molecules. The pressure required to hold the molecules together increases with temperature, but because the typical temperature is around 12 k, the pressure is negligible. It originates from the gravity of the cloud itself. Material from novas, colliding neutron stars, and high-speed material jets emerging from stars and black holes all contribute to the continuous enrichment of such clouds. That adds those heavy elements—like gold—that can only be produced by the rapid neutron capture (rNC) process as opposed to the simple nuclear fusion process (slow neutron capture). These clouds spontaneously emerge from floating pieces of material, hold together for millions of years, and eventually disperse. A component of the cloud condenses along the route for a variety of causes, including localized concentrations of greater density or shock waves from supernovae. Unbalances in the cloud lead it to split up when condensation takes place. Then those fragments shatter once again, leaving you with barely enough for a solar system. It would have been within 3.5 light years of the initial cloud for our galaxy. The contraction up to this point has been isothermal, which means that heat is being radiated so quickly that temperature stays mostly unchanged. The creation of a Bonnor-Ebert sphere comes next. Although such zones frequently appear in photographs in a faint manner, this is only a hypothetical area in which there is a certain amount of mass. The First Hydrostatic Core is located here (FHSC or First Core). The First Core can be imagined as a pre-proto Sun with an interior temperature of roughly 300 k and a radius of 1 AU (the same as the Earth's orbit) (26.85 C or 80.33 F). Although it first begins off chilly, it ultimately warms up to 300 k and then grows even hotter over the course of years. The friction of falling materials and adiabatic contraction provide the heat (the kind that makes things hotter). Hydrogen molecules start to break down into atomic hydrogen, which is more dense and falls to the center, at temperatures between 1500 k and 2000 k, on average. Eventually, the atomic hydrogen coalesces into a protostar-sized Second Core. Because the entire system is rotating swiftly and because momentum is being lost in some areas owing to gas shooting off, an accretion disk has already formed. Although in our instance it would have also been a protoplanetary disk, the disk is a protostellar disk. The protostar is regarded as a star until it becomes hot and brilliant enough to begin ejecting the gas and dust. (Prior to it, infalling gas and dust are still adding mass to the protostar.)

In the nebular hypothesis, the collapse of the nebula is believed to have been triggered by a disturbance or shock wave, such as a nearby supernova explosion or the gravitational influence of a passing star or gas cloud.

This disturbance caused the nebula, which was a large and diffuse cloud of gas and dust in space, to start collapsing under the force of its own gravity. As the nebula contracted, its particles came closer together, and the conservation of angular momentum caused it to spin faster.

The collapse and spin eventually led to the formation of a rotating protostellar disk at the center, which eventually evolved into a young star, while the surrounding material formed planets and other celestial bodies through accretion and gravitational attraction.

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How many moles of h+ ions are present in 2.8 l of 0.25 m hydrobromic acid solution?

Answers

0.7 mol of H⁺ ions are present in 2.8 l of 0.25 m hydrobromic acid solution.

Hydrobromic acid is a strong acid, we can assume that all acid molecules dissociate completely to yield H+ ions and dissociated anion.

The equation for the dissociation of HBr :

                             Hbr (s) →  H⁺ (aq)  +  Br⁻ (aq)

moles H⁺ = ([tex]2800ml[/tex]) ( [tex]\frac{1L}{1000ML}[/tex])  ([tex]\frac{0.25 mol Hbr}{L}[/tex]) ( [tex]\frac{1 mol H}{1 mol Hbr}[/tex])

               = 0.7 mol

Therefore, 0.7 mol of H⁺ ions is present.

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a burning candle wax reacts with oxygen. after a glass jar is placed over it, the candle goes out. what is the limiting reactant?

Answers

Answer:

The Oxygen

Explanation:

When fire is covered, it goes out due to the lack of oxygen to maintain itself.

The limiting reactant in the experiment of the burning candle is oxygen.

What is a limiting reactant?

A limiting reactant is a reactant which determines the amount of product that ca be formed in a given reaction.

The limiting reactant is always used up in a reaction, after which the reaction stops.

In the experiment of the burning candle, covering the candle with the glass prevents more oxygen from taking part in the reaction.

Therefore, the limiting reactant is oxygen.

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If u can write like a sentence or two would be amazing:
Outline the differences between respiration and combustion.

Answers

Respiration is the process of oxidation of food materials like glucose, Amino acids, fatty acids to water and carbon dioxide. Respiration does not require any external heat to carry on the process. Combustion is only done by applying external heat to the sugar molecule to burn.

Please Answer!!!!

Which equation is balanced?

A) H₂+ O2 → H₂O + O2

B) 4H2₂+ O2 → H₂O + O

C) 2H₂ + O2 → 2H₂O

D) H₂ + O2 → H₂O

Answers

Option C is the correct answer

2H₂ + O2 → 2H₂O

In LHS

No. of hydrogen atoms is 4No. of oxygen atoms is 2

In RHS

No. of hydrogen atoms is 4No. of oxygen atoms is 2

Hence , LHS = RHS

A balanced equation obey the law of conservation of mass. According to this law mass can neither be created nor be destroyed. Among the given options, the balanced equation is 2H₂ + O₂ → 2H₂O. The correct option is C.

What is a balanced equation?

A chemical equation in which the number of atoms of reactants and products are equal on both sides of the equation is defined as the balanced chemical equation. The numbers which are used to balance the equation are called the coefficients.

The coefficients are generally placed in front of the formulas. The substances on the left hand side are called the reactants and the substances on the right hand side are called the products.

Here the balanced equation is:

2H₂ + O₂ → 2H₂O

The number of 'H' and 'O' atoms are equal on both sides.

Thus the correct option is C.

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What is the major different between the particles in a liquid and a gas of the same substance at the same temperature?
a. The particles in the gas are moving faster than the particles in the liquid
b. The particles in a liquid are still connected, but the particles in a gas have separated from each other and now fly around to fill the container
c. The particles in the liquid have higher masses than the particles in the gas
d. The particles the gas are separated, so they absorb less heat than normal, which is why gases are typically cooler than liquids

Answers

Answer: a. The particles in the gas are moving faster than the particles in the liquid

A sample of gas collected at 685 mm Hg occupies 131 mL. At constant temperature, what pressure does the gas exert if the volume increases to 478 mL? a. 188 b. 1320 c. 128 d. -88.8

Answers

Answer:

a.  P=188mmHg

Explanation:

A gas undergoing a change of volume and pressure at constant temperature (and not changing the number of molecules), follows Boyle's Law:  [tex]P_1V_1=P_2V_2[/tex]

The units of these quantities can be any measure of pressure and volume, so long as long as the units are the same between beginning and ending conditions.

Substitute and solve:

[tex]P_1V_1=P_2V_2[/tex]

[tex](685[mmHg])(131[mL])=P_2(478[mL])[/tex]

[tex]\dfrac{(685[mmHg])(131[mL\!\!\!\!\!\!\!\!\!{--}])}{478[mL\!\!\!\!\!\!\!\!\!{--}]}=\dfrac{P_2(478[mL]\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----})}{478[mL] \!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----}}[/tex]

[tex]187.730125523[mmHg]=P_2[/tex]

Accounting for significant figures, [tex]P_2=188[mmHg][/tex]

The diagram represents the general equation for photosynthesis.


What does the X represent?

hydrogen
oxygen
glucose
carbon dioxide

Answers

Answer:

The diagram represents the general equation for photosynthesis.

What does the X represent?

Explanation:

Carbon dioxide

A piece of lithium is added to a beaker of water. Will the solution formed be acidic, alkaline or neutral?

Answers

Answer:

alkaline

Explanation:

Lithium reacts intensely with water, forming lithium hydroxide and highly flammable hydrogen. The colorless solution is highly alkalic.

According to the chemical reaction between lithium and water, lithium hydroxide is formed which is a basic substance.

What  are chemical reactions?

Chemical reactions are defined as changes which occur when a substance combines with another substance to form a new substance.Alternatively, when a substance breaks down or decomposes to give new substances it is also considered to be a chemical reaction.

There are several characteristics of chemical reactions like change in color, change in state , change in odor and change in composition . During chemical reaction there is also formation of precipitate an insoluble mass of substance or even evolution of gases.

There are three types of chemical reactions:

1) inorganic reactions

2)organic reactions

3) biochemical reactions

During chemical reactions atoms are rearranged and changes are accompanied by an energy change as new substances are formed.

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N₂(g) + 3H₂(g) → 2NH3(g)
224 L of nitrogen reacts with
excess hydrogen at 2773 K and
95.0 atm. How many moles of
nitrogen react?

Answers

Answer:

93.5 moles N₂

Explanation:

To find the moles, you need to use the Ideal Gas Law. The equation looks like this:

PV = nRT

In this equation,

-----> P = pressure (atm)

-----> V = volume (L)

-----> n = number of moles

-----> R = constant (0.0821 atm*L/mol*K)

-----> T = temperature (K)

You can plug the given values into the equation and simplify to find moles. The final answer should have 3 sig figs to match the lowest number of sig figs among the given values.

P = 95.0 atm                  R = 0.0821 atm*L/mol*K

V = 224 L                       T = 2773 K

n = ?

PV = nRT

(95.0 atm)(224 L) = n(0.0821 atm*L/mol*K)(2773 K)

21280 = n(227.6633)

93.5 = n

Answer:

93.5 moles N₂

Explanation:

You can plug the given values into the equation and simplify to find moles. The final answer should have 3 sig figs to match the lowest number of sig figs among the given values.

P = 95.0 atm                  R = 0.0821 atm*L/mol*K

V = 224 L                       T = 2773 K

n = ?

PV = nRT

(95.0 atm)(224 L) = n(0.0821 atm*L/mol*K)(2773 K)

21280 = n(227.6633)

93.5 = n

Explanation:

what is chemical energy

Answers

Answer:

chemical energy is the energy of a chemical substance that is stored in the bonds of chemical compounds and is released when they undergo a chemical reaction and transform into another substance

A 25.0 g sample of metal is
warmed by 6.1 °C using 1259 ] of
energy.
What is the specific heat of the
metal?

Answers

Answer:

Below

Explanation:

Units of specific heat are   J / (g- °C)

    so to get these units :

             1259 J / (25 g *6.1 °C) = 8.26  J / (g °C)

Select the correct answer from each drop-down menu.
Scientific theories are always
testable
. A theory may be changed as a result of
.

Answers

Scientific theories are always testable. A theory may be changed as a result of new observations.

What are Scientific theories ?

A scientific theory is a set of laws, facts and hypotheses that have a complete vision of an aspect of reality.

It is a proposed explanation for a set of observable phenomena.

It allows in this way to organize and understand the observations and to be able to predict or provoke other future observations.

Theories can be modified or improved as more information is collected.

That is, theories can continue to be tested indefinitely, and eventually rejected, if the tests lead to it.  

Therefore, a scientific theory is testable by using a research method.

As mentioned, any theory can be tested or rejected as more information is collected.

This information to prove or reject theories are interpretations of observable facts, which generates new statements or allows to accept those already included in the theory.

Then, a theory may be changed as a result of new observations.

Finally, scientific theories are always testable. A theory may be changed as a result of new observations.

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Answer:

testable & new observations

Explanation:

One of the postulates of bohr's atomic model of a moving electron is that angular momentum of a moving electron is quantized. Explain its meaning and calculate the angular momentum of third orbit (i.e n=3)

Answers

The angular momentum of an electron in the third Bohr orbit of a hydrogen atom is given by mvr=3h÷2π

What is momentum?

Momentum is defined as the amount of motion occurring in something that is moving, or the force that drives something forward to keep it moving.

Bohr never assumed stable electronic orbits with the electronic angular momentum quantized as

l=mvr = [tex]\frac{nh}{2pi}[/tex]

Quantization of angular momentum means that the radius of the orbit and the energy will be quantized as well.

Bohr assumed that the discrete lines seen in the spectrum of the hydrogen atom were due to transitions of an electron from one allowed orbit/energy to another.

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How many moles of sulfur are in 80 grams of sulfur?
A. 1.5 moles
B. 2.5 moles
C. 1 mole
D. 2 moles

Answers

Answer:

2.5 moles

Explanation:

Number of moles = MassMolar mass

= 80⋅g32.06⋅g⋅mol−1 = ??mol

Note that sulfur likely exists in its elemental state as S8. I am perfectly justified in treating sulfur as S. The number of sulfur atoms is the same in each case.

In a chemical reaction occurring in an open beaker, the reactants have a mass of 10.0 g and contain 1000 J of energy. The products in the beaker contain a mass of 5.0 g and 500 J of energy. Which best explains the difference in energy and mass as reactants are converted to products?
kinetic energy
closed systems
law of conservation of energy
electromagnetic energy

Answers

This happens because the beaker is open.

The Law of Mass Conservation says that in a close system all the mass and energy should be the same.

If the system is open, as in the case, we can have loss of mass, due to formation of gas, that will leave the beaker to the environment, and we can also have loss of energy, because the system will exchange the energy, as heat, with the environment, causing a loss on the total energy.

Answer:

Its C its C its C

Explanation:

i dislike expert verifeid beacause he wont say C

Hello can someone help me please and thanksss

Answers

the equation of the parabola is given as [tex]y = 1/4 (x-6)^2 +1[/tex]. D

How to find the parabola

Given the focus(6,2) and the directrix, y = 0

Use the formula

[tex]\sqrt{(x-6)^{2} + (y-2)^{2} } }[/tex] = (y - 0)

Find the square of both sides, square root is removed from the side with it and square added on the other side

[tex](x-6)^2 + (y-2)^2 = (y- 0)^{2}[/tex]

Expand the expression and bring all terms to one side

[tex]x^{2} - 6x - 6x + 36 +y^{2} -2y- 2y +4[/tex] = [tex]y^{2} - 0[/tex]

Collect like terms

[tex]x^{2} - 12x -4y + 40 = 0[/tex]

Make 'y' the subject of the formula

[tex]4y = x^{2} - 12x + 40[/tex]

Divide through by 4 and substrate 4 from 40 to give a perfect quadratic equation

[tex]y = 1/4( x^{2} - 12x + 36) + 4[/tex]

1/4 is dividing the quadratic equation [tex]x^2 - 12x +36[/tex]

Then divide factor by 4 to give 1, this is so because of the nature of the options given

[tex]y = 1/4( x^{2} -6x -6x +36) + 1[/tex]

Simplify the expanded quadratic equation

[tex]y = x (x -6) - 6 (x- 6)[/tex], we have [tex](x - 6) ^2[/tex]

Then insert in place into previous equation

[tex]y = 1/4 (x-6)^2 + 1[/tex]

Thus, the equation of the parabola is given as [tex]y = 1/4 (x-6)^2 +1[/tex]

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3. Why did the solution change from blue to yellow (what chemical reaction happened)?

Answers

Answer:

it was more acidic

Explanation:

changing the pH of the solution and making it more acidic results in the color of the solution changing it from blue to yellow

solution is Bromothymol blue

in a ph below 6 it turns yellow because

a ph below 6 is acidic

a ph above 7.6 its blue because

a ph above 7.6 is basic

Bromothymol blue is made in a basic solution, so it starts out as blue, thus the name 'blue'. It changes to yellow in acidic conditions

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wikipedia

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When in contact with hydrochloric acid, which mineral gives off bubbles of carbon dioxide gas?.

Answers

Answer:

Calcite

Explanation:

When in contact with hydrochloric acid, calcite releases carbon dioxide gas.


Which type of chemical bonding involves a transfer of electrons?

Answers

Answer:

ionic bond

Explanation:

Answer:

Ionic bonding

Explanation:

Salt    Na+Cl-       is an example

On a heating curve, in which section(s) would you use the equation, Q=mCΔT, to calculate the total heat required?

only on plateaus or flat parts of the curve

on a sloped part only if under 0oC

on a sloped part only if over 100oC

on all sloped parts of the curve

Answers

Answer:

all sloped parts

Explanation:

Sloped part of the curve  - all      as this would show a change in T   ( or delta T)

  the flat parts would involve no change in Temp


The valence electrons found in metallic bonds are different from other bonds
because

A. their valance electrons are free-roaming
B.they allow conductivity of electricity
C.their valence electrons are immobile
D. They’re able to share electrons with other atoms

Answers

Answer:

their valence electrons are free roaming

Help please help! Please help..

Answers

An object floats in a liquid if that object is less dense than that liquid, therefore your answer is

A.

Hope this helped :)

calculate mole fraction of benzene (70 g) having 30 gram of mass of carbon tetrahedral​

Answers

Moles of benzene

70/90=7/9=0.8mol

moles of CCl_4

30/1540.2mol

Now

[tex]\\ \rm\Rrightarrow \chi_{C_6H_6}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{\chi_{C_6H_6}}{\chi_{sol^n}}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{0.8}{0.8+0.2}[/tex]

[tex]\\ \rm\Rrightarrow \dfrac{0.8}{1}[/tex]

[tex]\\ \rm\Rrightarrow 0.8[/tex]

What is the simplest method of determining the composition of a compound?

Answers

Answer:

Chemical formulas tell you how many atoms of each element are in a compound, and empirical formulas tell you the simplest or most reduced ratio of elements in a compound. If a compound's chemical formula cannot be reduced anymore, then the empirical formula is the same as the chemical formula.

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How many moles of propane
react when 294 g of CO2 form?

C3H8 +502 → 3CO₂ + 4H₂O

Answers

2.23 moles of propane react when 294 g of CO₂ is formed .

What is moles ?

Moles is a unit which is equal to the molar mass of an element.

A reaction is given

C₃H₈ +50₂ → 3CO₂ + 4H₂O

Grams of CO₂ formed = 294 gm

In moles = 294 /44 = 6.68 moles.

Let x be the moles of C₃H₈ is x

Mole ratio of CO₂ to C₃H₈ = 3 : 1

so

6.68 /x = 3/1

x = 6.68 /3 = 2.23 moles

Therefore 2.23 moles of propane react when 294 g of CO₂ is formed .

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