An atom with5 protons 6 neutrons and 5 electrons has an atomic mass of Amy

Diatomic: Composed of two atoms. Polar: A bond with a negative end and a positive end. Nonpolar: A bond in which neither atom takes more than its share of electrons. Metallic: A type of bond that allows valence electrons to move freely among ions. Electronegativity: Determines what type of bond will form.

The ability of an atom or functional group to draw electrons to itself is known as electronegativity in chemistry.

Diatomic molecules consist only of two atoms, whether they are from the same or distinct chemical elements.

Since charges fluctuate, a momentary dipole moment occurs in a so-called nonpolar molecule at any given time if the charge arrangement is spherically symmetric when averaged across time.

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Answer:

Composition: All hydrocarbons are made up of only two types of atoms: carbon and hydrogen. They are like building blocks that contain carbon and hydrogen stuck together.

Organic Nature: Hydrocarbons are special because they are part of a group of compounds that come from living things or things that were once alive. They have carbon and hydrogen in them, which is what makes them different from other types of compounds.

Explanation:

Answer:

38.8125

Explanation:

4.5 x 5.750 x 1.50 = 38.8125

The reaction is spontaneous under conditions of low pressure and high temperature

We can say that a reaction is spontaneous when we know that the reaction is able to go on on its own. This implies that there is a mnimum energy that is required for the reaction to proceed.

The reaction is thus a sort of a self propagating system that goes on freely of its own accord.. We can see that what is going on here is the decomposition of the nitrogen V oxide gas as shown.

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The possible effects of this condition on the family is adverse because they can't do fishing due to eruption.

Aquatic life can be affected due to volcanic eruption due to increase in acidity, change in temperature, and change in food supply. These factors can damage and also kill fish so this eruption has adverse effect on the family's economic condition and my advice is to them to change their place of living and settle in other unaffected area.

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The molar mass when rected with sulphuric acid to liberate 249 mL of hydrogen gas is 48 g/mol

The volume (V) = 249 mL = 249 / 1000 = 0.249 L

Pressure (P) = 1.0079 – 0.03167 = 0.97623 bar

The temperature (T) = 25.0 °C = 25 + 273 = 298 K

Gas constant (R) = 8.314×10¯² bar.L/Kmol

Number of mole (n) =?

n = PV / RT

n = (0.97623 × 0.249) / (8.314×10¯² × 298)

n = 0.0098 mole

How to determine the mole of the metal

Balanced equation

M(s) + H₂SO₄(aq) —> MSO₄(aq) + H₂(g)

From the balanced equation above,

1 mole of M reacts to produce 1 mole of H₂.

Therefore,

Mole of metal = 0.0098 mole

Mass of metal = 0.539 g

Molar mass is given as mass upon mole

Molar mass of metal = 0.470 / 0.0098

Molar mass of metal = 48 g/mol

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Answer:

chlorous acid

Explanation:

The acidic equilibrium of weak acids, HX, occurs as follows:

HX ⇄ H+ + X-

Where Ka is written as:

Ka = [H+] [X-] / [HX]

The strongest acid is the acid that produce more H+. The acid with the higher Ka is the acid that produce more [H+] and is, thus, the strongest acid.

The higher Ka is the Ka of chlorus acid = 1.2x10-2

Right answer is:

Answer:

chlorous acid :)

Explanation:

Answer:

A. It would float with about 80% of the cube below the surface of the water and 20% above the surface.

Explanation:

The choice that best describes what happens to cube of the given density value is that it would float with about 80% of the cube would be below the surface of the water and 20% above the surface.

Density is the mass per unit volume of a substance. The more mass a body has relative to volume, the great it's density. In short, density is directly proportional to mass and inversely related to volume.

The density of water is 1g/mL

If the density of the cube were to be the same with that of water, the substance will just mix up with water .

Here the density is less than that of water.

The density is 0.2g/mL

Therefore, 20% will stay afloat and 80% will be below the surface of the water.

Answer:

Bubbles formed where the acid touched the limestone. After 20 minutes, the bubbling stopped and the surface of the limestone appeared unchanged.

Keeping the car well tuned with regular servicing helps to reduce the emission of oxides of nitrogen gas to the atmosphere. Hence, option B is correct.

NOₓ is a representation of oxides of nitrogen gas. Nitrogen gas reacts with atmospheric oxygen produces NO, NO₂ etc. all are causing atmospheric  pollution and other serious issues such as acid rain, global warming, ozone layer depletion etc.

Thus, it is very important to reduce the emission of oxides of nitrogen. Vehicles and industries are the main sources of NOₓ emission. Evolving these gas directly to air caused serious consequences.

Keeping the vehicles maintained regularly with ensuring that no gas leakage or over expulsion is there. Hence, option C is helpful to reduce the emission of this gas.

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Kinetic energy is the amount of energy present in the object due to motion. It is required by the body for action and motion. The kinetic energy of the car is 34385J.

Kinetic energy is a type of energy that is directly proportional to the mass of the object and the square of the velocity. The formula for the kinetic energy can be given as,

\(\rm KE = \dfrac{1}{2}mv^{2}\)

Here,

Mass of the car (m) = 130 kg

Velocity of the car (v) = 23 m/s

Substituting values in the equation:

\(\begin{aligned}\rm KE &= \dfrac{1}{2}\rm mv^{2}\\\\&= \dfrac{1}{2}\times 130\times (23)^{2}\\\\&= 34385\;\rm J\end{aligned}\)

Therefore, 34385J is the kinetic energy of the car.

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Molar mass of NaHCO_3

Now

\(\\ \sf\longrightarrow No\:of\:moles=\dfrac{Given\:mass}{Molar\:mass}\)

\(\\ \sf\longrightarrow No\:of\; moles=\dfrac{2.61}{84}\)

\(\\ \sf\longrightarrow No\:of\:moles=0.0312mol\)

Answer:

44x+7y

Explanation:

The number of molecules in one mole of water is 6.02 × 10²³. Therefore, the number of moles of carbon dioxide which contains 9.04 × 10²³ molecules is 1.50.

The number of atoms that constitutes one mole of a substance is called Avogadro number. It is equal to  6.02 × 10²³. Thus, one mole of every elements contains Avogadro number of atoms.

Similarly, one mole of a compound contains  6.02 × 10²³ number of molecules. Thus, one mole of carbon dioxide contains these much molecules.

Given the number of molecules of water = 9.04 × 10²³

Then, no.of moles = number of molecules/ Avogadro number.

no.of moles =9.04× 10²³ /6.022 × 10²³  = 0.68.

Therefore, the number of moles of H₂O that contains 9.04 × 10²³molecules is 1.50

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Answer:

TRUE

Explanation:

Production of Hydrocarbons from Natural Gas is as stated below:

Natural gas liquids include propane, butane, pentane, hexane, and heptane, but not methane and not always ethane, (may include it sometimes.) since these hydrocarbons need refrigeration to be liquefied.

All transporters were reduced as cytochrome oxidation is inhibited by cyanide. Since there is no terminating electron acceptor when O2 is absent, all carriers undergo reduction.

A negative charges particle known as an electron can be either independent or attached to an atom (not bound). Another of the three main types of elements within an atom is an electrode that is bonded to it; the other couple are protons & neutrons.

An electron's energy is determined by where it is in relation to the atom's nucleus. The distance an electron inside an atom has to travel from the nucleus depends on its energy level.

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Based on the given information, the options that are true for the saponification of compounds 1-4 are:

A. True, as the rate-determining step is slowed by bulkier groups adjacent to the reaction centre.

B. False, as methyl groups are electron-donating, they increase the rate of step 2, not step 1.

C. True, as mentioned in option A.

D. False, as step 3 is the final step and determines the rate of saponification.

As we know, the saponification mechanism involves the reaction of an ester with a strong base, typically hydroxide ion, to produce a carboxylate salt and an alcohol. The rate-determining step in this mechanism is the formation of a tetrahedral intermediate from the ester, which requires the nucleophilic attack of the hydroxide ion on the carbonyl carbon of the ester.

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Answer:

letter: B

Explanation:

thats is the true answer.

pleas heart my heart my answer

Answer:

Possibly the addition of oxygen from the atmosphere

Explanation:

The absorption of energy from atmosphere causes a rise in mass than the initial mass of a substance.

Absorption of energy can increase the mass of a certain substance while release of energy can decrease the mass of a certain substance. For example, when we freeze liquid water, it forms ice. So, its weight increases when it changes its state from liquid to solid. In the same way when liquid water is boiled, upon vaporization it forms water vapor, which is lighter in mass than liquid water. Thus, we can say that temperature also has a role to play in the increase and decrease of mass of a certain substance compared to its initial mass.

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The question should be

What causes the mass to be higher than the initial mass?

Answer: conducting impulses

Explanation:

just did it on edge

Answer:

c. conducting impulses.

Explanation:

got it right on edg, hope this helps!

Answer:

98g

Explanation:

h=1*2=2

s=32

0=16*4=64

64+32+2=98

Answer:

-1

Explanation:

According to this question, the oxidation state/number of H and O in C2H4O is +1 and -2 respectively.

The oxidation state of carbon in the compound can be calculated thus:

Where;

x represents the oxidation number of C

C2H4O = 0 (net charge)

x(2) + 1(4) - 2 = 0

2x + 4 - 2 = 0

2x + 2 = 0

2x = -2

Divide both sides by 2

x = -1

The oxidation number of C in C2H4O is -1.

Answer:

violet

Explanation:

When an electron interacts with visible light, energy is transferred from the photon to the electron.

The most accurate (lowest error) measurement of momentum (or speed) of an electron is obtained using a photon of high energy and low wavelength.

Violet light which lies at the high energy end of spectrum is most suitable.

A fireplace poker glowing red when you heat it in the fire is referred to as a physical change.

This change is a reversible one in the physical properties of a substance such as the size, color etc. Physical change doesn't alter or change the chemical composition of a substance and no new products are formed in this process.

A fireplace poker glowing red when you heat it in the fire doesn't change the composition and is reversible when allowed to cool down which is why physical change was chosen as the most appropriate choice.

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another name for a maggot is a worm

Answer:

4.42 x 10^22 molecules

Explanation:

1 mole of CO2 has 6.022 x 10^23 molecules

=> 0.0734 x 6.022 x 10^23 = 4.420148 x 10^22 or 4.42 x 10^22

Answer:

I think the answer is 12.0107 u and 6 (6 as the atomic number) and (12.0107 u as the atomic mass).

Explanation:

I Hope this helps.

Answer :

-111°C

Hope it helps

The final temperature of the gas in the balloon is equal to -110.6°C.

Gay-Lussac's law can be described as when the volume of the gas is kept constant then the pressure (P) is directly proportional to the absolute temperature (T in kelvin) of the gas.

The mathematical representation of Gay Lussca's law can be written as follows:

P/T = k

The pressure (P) of a gas is always directly proportional to the temperature (T) of the gas.

P ∝ T                               (where volume  is constant)

\(\frac{P_1}{T_1} =\frac{P_2}{T_2}\)

Where P₁, T₁, P₂, and T₂  are the initial and final pressure and temperature.

The initial temperature of the balloon, T₁ = 25 °C = 25 + 273 = 298 K

The initial pressure of the balloon, P₁  = 2.55 atm

The final pressure of the balloon, P₂ = 1.39 atm

Substituting temperatures and pressures of the gas in the balloon in the above equation:

2.55/298 = 1.39/T₂

T₂ = 162.4 K

T(K) = 273 + T(°C)

T(°C) = 162.4 - 273 = - 110.6°C

Therefore, the final temperature of the gas inside the balloon is -110.6°C.

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Answer:  You would put one dot for each valence electron the element has so Hydrogen would be 1 He:2 Li:1 Be:2  B:3 C:4 N:5 O:6 F:7 Ne:10

Na:1 Mg:2 Al:3 Si:4

Explanation:

This is also called the lewis structure you will draw the dots around the letter. 2 on each side and there are 4 sides per letter

Lewis diagram, or Lewis structure, is a diagram that employs dots to represent the valence electrons of such an atom. Hydrogen has 1 valence electron.

A Lewis electron dot diagram, also known as an electron dot diagram, Lewis diagram, or Lewis structure, is a diagram that employs dots to represent the valence electrons of such an atom. The amount of dots corresponds to the atom's valence electron count.

Chemical bonds are virtually often created by interactions between atoms' valence electrons. A straightforward technique to depict those valence electrons might be helpful to improve our comprehension of how they interact.

Element                         number of electron

   H                                    1

   He                                   2

  Li                                     1

  Be                                   2

Therefore, in above given way number of valence electron can be shown.              

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