What mass of HCL is consumed by the reaction of 5. 0 of magnesium?

Answer: 1.788 volts.

Explanation:

To solve this problem we can combine battery cells to create higher voltages. Building more lemon batteries and connecting them with a metal wire from "+" to "-" adds the voltage from each cell. The two lemon batteries above, combine to produce a voltage of 1.788 volts.

Answer:

ruby

Explanation:

Answer:

La configuración electrónica del cloruro es 1s2 2s2 2p6 3s2 3p6.

Explanation:

Answer:

3 i think

Explanation:

The Earth is divided into three main layers. The dense, hot inner core (yellow), the molten outer core (orange), the mantle (red), and the thin crust (brown), which supports all life in the known universe. Earth's interior is generally divided into three major layers: the crust, the mantle, and the core.

Answer:

kinetic energy

potential energy

kinetic energy

kinetic energy

Explanation:

kinetic energy- energy associated with motion

potential energy- the energy that a piece of matter has because of its position or nature.

Answer:

natural gas

Explanation:

natural gas is formed deep beneath Earth's surface which primarily consist of methane.

methane is considered cleanest burning fuel.

Answer:

Period 6 and 7

tbh i dont know the answer but the explanation

Explanation:

Period 6 and 7 have 32 elements because the two bottom rows that are separated from the rest of the table belong to those periods. They are pulled put in order to make the table itself fit more easily onto a single page

i hope that helps :)

The caloric content of the banana in nutritional calories per gram is :

934.4 cal/g

Given data :

mass of banana ( Mb ) = 3.05 g

mass of water ( Mw )= 500 g

change in temperature ( ΔT ) = 5.7°c

Cw =  1.00 cal/g･°c.

First step : calculate heat released

Qw = Mw* Cw * ΔT

      = 500 * 1 * 5.7

      = 2850 cal

Next step : Calculate the caloric content of the banana

caloric content = Qw / Mb

                         = 2850 cal / 3.05 g

                         = 934.4 cal/g

Hence we can conclude that The caloric content of the banana in nutritional calories per gram is : 934.4 cal/g

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Answer:

photon

Explanation:

Energy usually travel in a discrete quantities which are very indivisible, this quantity is known as Photons.

Therefore, photon is an elementary particle.

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Answer:

An Olfactory Indicator is a chemical that changes it's scent. This depends on whether it is mixed with an acid or base solution. When mixed, it's called "olfactory titration."

Explanation:

Hope I helped :)

Answer:

Solubility refers to the maximum amount of solute that dissolves in a given amount of solvent at a particular temperature Factors Affecting Solubility 1. Effect of Temperature For some substances to dissolve in a given solvent, heat is absorbed. The reaction is endothermic. In this case, an increase in temperature increases solubility.

Explanation:

Solubility of a solution is affected by properties like temperature and pressure.

Solubility is defined as the ability of a substance which is basically solute to form a solution with another substance. There is an extent to which a substance is soluble in a particular solvent. This is generally measured as the concentration of a solute present in a saturated solution.

The solubility mainly depends on the composition of solute and solvent ,its pH and presence of other dissolved substance. It is also dependent on temperature and pressure which is maintained.Concept of solubility is not valid for chemical reactions which are irreversible. The dependency of solubility on various factors is due to interactions between the particles, molecule or ions.

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Answer:

Molarity I believe

Answer:

b

Explanation:

Answer:

it stands for Acrylonitrile styrene acrylate

Explanation:

Answer:

Explanation:

The statement which explains the solubility of ionic substances in water is Water molecules are polar.

Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions.

Most ionic compounds are soluble in water. Polar water molecules have a strong attraction for charged ions and the charged ions become solvated as they dissociate into the water and ionic compounds are soluble in water.

Break apart of ionic compounds into the ions that make them up through a process called dissociation. All ionic substances are dissociated in water but dissociation may vary.

Water is a polar covalent and all polar covalent substances dissolve in the water because polar water molecules form hydrogen bonds with ions which allow compounds to disperse in water.

Hence, option D is correct.

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The answer is D.

Activated complex

Answer:

See below.

Explanation:

The children feel cold on touching the ice block as the temperature of it is much less than body temperature.

Answer:wont

Explanation:

An ionic compound is a type of chemical compound composed of positively charged ions (cations) and negatively charged ions (anions) held together by electrostatic forces. The correct answer is:

[tex]K_3P[/tex] : potassium phosphide

[tex]AlI_3[/tex] : aluminum iodide

[tex]MgO[/tex] : magnesium oxide

Ionic compounds are formed through ionic bonding, which involves the transfer of electrons from one atom to another.

In an ionic compound, the cations and anions are attracted to each other due to their opposite charges, forming a crystal lattice structure. The cations are usually metal ions, while the anions are typically non-metal ions. The transfer of electrons creates ions with full outer electron shells, resulting in the formation of stable compounds.

Therefore, the correct answer is:

[tex]K_3P[/tex] : potassium phosphide

[tex]AlI_3[/tex] : aluminum iodide

[tex]MgO[/tex] : magnesium oxide

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Answer:

There are 5 significant figures

There are five significant figures in the measurement 0.070020 meter.

Significant figures are the number of digits that add to the correctness of a value, frequently a measurement.

The first non-zero digit is where we start counting significant figures. Determine how many significant digits there are given a range of numbers.

The crucial or important digits that accurately represent the meaning of a certain number are known as the significant figures of that number. 6.658, for instance, has four significant digits. These huge amounts give the numbers accuracy.

In the given example there are five first non-zero digit are present.

Thus, There are five significant figures in the measurement 0.070020 meter.

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Answer:

Explanation:

The distance covered by an object given it's velocity and time taken can be found by using the formula

From the question

velocity = 134 km/h

time = 7.5 hr

We have

distance = 134 × 7.5

We have the final answer as

Hope this helps you

Answer:

B

Explanation:

I believe it is compound B, because ionic compounds can form crystals, and they can conduct electricity when dissolved in water.

I hope it helps!!

Compound B is an ionic compound as it is hard,brittle and conducts electricity.

Ionic compound or electrovalent compound is a type of compound which is formed between two elements when there is an exchange of electrons which takes place between  the atoms resulting in the formation of ions.

When the atom looses an electron it develops a positive charge and forms an ion called the cation while the other atom gains the electron and develops a negative charge  and forms an ion called the anion.

As the two atoms are oppositely charged they attract each other which results in the formation of a bond called the ionic bond.They are hard, malleable, ductile and good conductors of heat and electricity.They have high boiling points.

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Answer:

Sulfuric acid has a higher density than water, which causes the acid formed at the plates during charging to flow downward and collect at the bottom of the battery.

The mass of NaOH present in the solution is, 0.0625 grams

The mass is defined as the quantity of the matter present in the solution or in any substance.  

Given that,

Mass % of NaOH in the solution= 25 %

Mass of solution = 0.250 g

The formula will be

[tex]\rm Mass\ percent=\dfrac{mass \ of\ NaOH}{Mass\ of\ solution} \times 100[/tex]

[tex]25=\dfrac{\rm Mass\ of \ NaOH}{0.250} \times 100[/tex]

Mass of NaOH=0.0625 gram

Thus the mass of NaOH present in the solution is, 0.0625 grams

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The mass of NaOH present 0.250 grams of solution is 0.0625 grams.

Mass of any substance present in any solution will be calculated by using their & mass as below:

Mass percent = (Mass of solute / Mass of solution) × 100

Given items according to the question,

% mass of NaOH = 25%

Mass of solution = 0.250g

Now e put these values on the above equation and we get,

Mass of NaOH = (5 × 0.250) / 100 = 0.0625 grams.

Hence, mass of NaOH is 0.0625 grams.

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Answer:

b. 2A1 + 3CuSO4 → A12(SO4)3 + 3Cu

2Al + 3CuSO4 => (Al)²(SO4)³ + 3Cu

Your answer is letter b :)

Answer:False

False

Explanation:acid concentration and acid strength are two completely different

it is false..hope it helps you

Answer:

418.352441397 Liters

Explanation:

You start off with your equation of PV=nRt, where P= Pressure, V= Volume, n= The amount of moles, R= the gas constant which is 0.0821, and t= The temperature.

You are solving for volume so you would divide the left side by P so you can isolate the Volume. Now you have V=nRt/P.

Next you would fill in all of the variables. n=5.1169, R=0.0821, t=911K, and P=0.9148atm.

You would get the equation V=(5.1169*0.0821*911)/0.9148

Your final answer would be 418.352441397 Liters, or rounded to 418.35 Liters.

The volume of the container is 418.15 L

From the question, we are to determine the volume of the container

From the ideal gas equation, we have that

PV = nRT

Where P is the pressure

V is the volume

n is the number of moles

R is the gas constant ( R = 0.08206 L.atm.mol⁻¹.K⁻¹)

and T is the temperature

From the given information

P = 0.9148 atm

n = 5.1169 mol

T = 911 K

Putting the parameters into the formula, we get

0.9148 × V = 5.1169 × 0.08206 × 911

Then,

[tex]V = \frac{5.1169 \times 0.08206 \times 911}{0.9148}[/tex]

V = 418.15 L

Hence, the volume of the container is 418.15 L

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The heat released : -110560.632 J

Heat can be calculated using the formula:  

Q = mc∆T  

Q = heat, J  

m = mass, g  

c = specific heat, joules / g ° C  

∆T = temperature difference, ° C / K  

m =465 g

c water = 4.186 J/gram °C

∆T = temperature difference = 18.2 - 75 = - 56.8 °C

Then the heat :

[tex]\tt Q=m.c.\Delta T\\\\Q=465\times 4.186\times -56.8\\\\Q=\boxed{\bold{-110560.632~J}}\rightarrow -=exothermic[/tex]