why are atoms so picky on who they bond with

Answer:

the elephant toothpaste would go everywhere

How many chiral stereoisomers can be drawn for CH3CHFCHFCH(CH3)2?

Answer:

(a) Molar mass of ca= 40g/mol

(b) O2= 16 * 2 = 32g/mol

Answer:

I can help you with that... I cannot screenshot your question... what you can do is send me that PDF

I don't do physics in school guyz so please

Refer to the attachment not letting me add answer

Answer:

heated the water

Explanation:

Answer:

Cellular respiration is used to create usable energy from the foods that living things eat. It's important to know that the reactions involved in cellular respiration are catabolic, meaning they break down molecules into smaller ones. This differs from anabolic reactions, which build bigger molecules from smaller ones

Answer:

93.7

Explanation:

moles = mass ÷ relative atomic mass

mass = 5227g, relative atomic mass of Fe = 55.8

moles = 5227 ÷ 55.8 = 93.7 (1dp)

Avogadro's number is the number of particles in one mole of a pure substance.

The Avogadro number or constant was ned after an Italian scientist that discovered it and He is called Amedeo Avogadro. It is the the number of particles in one mole of a substance or it can be refer to the proportionality factor that of a number of constituent particles in a sample with the amount of substance contained in the sample. Its SI unit = 6.02214076×10²³ mol⁻¹.

Therefore, Avogadro's number is the number of particles in one mole of a pure substance.

Learn more about Avogadro number from the link below.

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Answer:

Covalent

Explanation:

Answer:

357.14 cm^3

Explanation:

From Law of Proportions,

P1V1/T1 = P2V2/T2

750 x 200 / 15 = 700 x V2 / 50

50 x 200 = 14 x V2

V2 = 10000 / 14

     = 5000 / 14

     = 357.14

Answer: 72.71%

Explanation:

Answer:

The compound is  "C6H12O6"

Explanation:

we know the relation that

Molecular formula mass = n. (Empirical formula mass)

180.8=n(30.0156)

n= 6

So

Molecular formula = n. (Empirical formula)

Molecular formula= 6 ( CH2O)

Molecular formula = C6H12O6

Answer: 0.18

Explanation:

the molarity equation is moles of solute over L of solution:

mol (solute)/L (solution

so you need to convert 6.14g of LiNO3 into moles so:

6.14g LiNO3 • 1 mol

———— = 0.0890552 mol

68.946g LiNO3 (molar mass)

then you need to convert 505ml to L:

505/1000= 0.505

then you just follow the equation

0.0890552 mol / 0.505 L = 0.17634694 or 0.18 for sigfigs

0.18 M

hope this helps :)

Answer:

➢ Oxygen exists as a diatomic molecule in nature when it is not combined with any other element. It forms O2 molecule because it is stable when it is uncombined. ... By achieving octet configuration, the diatomic elements become more stable compared to the single atom. Therefore, oxygen and hydrogen are diatomic.

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The name of an aqueous solution of  [tex]H_{2}S[/tex] is "hydrogen sulfide solution" or "sulfhydric acid solution."

It is a chemical formula which represents the compound hydrogen sulfide, which consists of two hydrogen atoms bonded to a sulfur atom. When [tex]H_{2} S[/tex] dissolves in water ([tex]H_{2}O[/tex]), forms an aqueous solution.

The naming for acid solutions is based on the corresponding acid's name. Here, H2S is an acid called sulfurous acid. The -ous suffix is used to refer to an acid derived from a non-oxygen-containing anion, here, the sulfide anion (S2-). When  acid is dissolved in water, the resulting solution is called as "sulfurous acid solution."

Therefore, the name for an aqueous solution of H2S is "sulfurous acid solution."

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Answer:

[tex]{ \rm{C _{7} H _{8} + 9O _{2} → 7CO _{2} + 4H _{2}O : { \tt{combustion}}}} \\ \\ {\rm{2NaHCO _{3} → Na_{2}CO _{3} + H_{2}O + CO_{2} : { \tt{decomposition}}}} \\ \\ { \rm{CH _{4} → C + 2H _{2} O :{ \tt{decomposition}} }} \\ \\ { \rm{P _{4}O _{10} + 6H _{2}O → 4H _{3} PO _{10} :{ \tt{combination}} }} \\ \\ { \rm{FeSO _{4} → FeO + SO _{3} : { \tt{decomposition}} }} \\ \\ { \rm{CaCO _{3(s)} → CO _{2(g)} + CaO _{(s)} : { \tt{decomposition}}}}[/tex]

Answer:

Convection, or the flow of mantle material transporting heat, drives plate tectonics.

Explanation:

Have a nice day !!! :)

Answer:

Explanation:

Interesting question - especially if you are afflicted by something like Leukemia where it pays to know everything you can about Hemoglobin.

Molecules

1 mole of anything has 6.02 * 10^23 in this case molecules

6.4*10^-3 moles has x number of molecules

Set up the proportion

1/6.4*10^-3   =  6.02 * 10^23 molecule / x          Cross Multiply

x = 6.4*10^-3 * 6.02 * 10^23

x = 3.853*10^21 molecules

Mass Hemoglobin

1 mol of hemoglobin is 64456 grams

6.4*10^-3 moles = x grams                                  Cross multiply

x = 64456 * 6.4*10^-3

x = 412.5 grams of hemoglobin in this woman's body.

If you are American and think in pounds, then this is roughly a pound of hemoglobin.

Considering that you need hemoglobin to carry oxygen around to various organs, it is not an awful lot. That's the miracle of the human body.

Answer:

0.66 L

Explanation:

Here it's given that a sample of Neon occupies a volume of 0.220 L at 0.86 atm . And we need to find out its volume at 29.4 kPa .

If we assume temperature to be constant , then we can apply Boyle's Law , which states that ,

" For a fixed amount of gas at constant temperature , pressure is inversely proportional to the volume . "

Mathematically ,

[tex] P \propto \dfrac{1}{V}[/tex]

Taking k as constant ,

[tex] P =\dfrac{k}{V}[/tex]

And we can say that ,

[tex] P_1 V_1 = P_2V_2[/tex]

Here ,

As we know that ,

[tex] 0.987 atm = 10^5\ Pa [/tex]

So ,

[tex] 29400 Pa = 0.29 \ atm [/tex]

So that ,

[tex] (0.87 atm )(0.220L) = (0.29atm)(V_2)\\[/tex]

[tex] V_2 = \dfrac{0.87 \times 0.220}{0.29} L [/tex]

Simplify ,

[tex] V_2 = 0.66\ L [/tex]

Hence the new Volume of the gas is 0.66 L .

I hope this helps.

Answer:

nothing

Explanation:

Answer:

760 mm of Hg

Explanation:

If the gases A , B and C are non reacting , then according to Dalton's Law of Partial Pressure the total pressure exerted is equal to sum of individual partial pressure of the gases .

If there are n , number of gases then ,

[tex] P_{total}= P_1+P_2+P_3+\dots +P_n[/tex]

Here ,

Hence the total pressure exerted is ,

[tex] P_{total}= P_{Gas\ A }+P_{Gas\ B }+P_{Gas\ C }[/tex]

Substitute ,

[tex]P_{total}=( 400 + 220 + 140 )mm\ of \ Hg [/tex]

Add ,

[tex]P_{total}= 760\ mm\ of \ Hg[/tex]

Hence the total pressure exerted by the gases is 760 mm of Hg.

I hope this helps.

We can better define the problem by saying that solution is concentrated or diluted with respect to solution B or D respectively.

The concentration of solution C lies somewhere between that of B and D.

Thus, if we are to qualify the concentration of solution C with respect to that of B, we will say it is concentrated.

If we are to qualify the concentration of solution C with respect to that of D, we will say solution C is diluted.

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Answer:

Explanation:

The formula for iron (II) sulfate hexahydrate

[tex]is[/tex]

FeH12O10S

If all the reactors are used, the pressure inside the flask will most likely increase to 4 atm.

Atmospheric pressure is a force per unit area exerted by the air in the atmosphere on the Earth's surface. The value of atmospheric pressure above sea level is 1013.25 hPa.

The atmospheric pressure varies from different meteorological factors such as:

According to the above, if all the reactors are used at atmospheric pressure, it will most likely increase.

Note: This question is incomplete because some information is missing. However I can answer it based on my prior knowledge.

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Answer: It means

Oxyhydrogen

Explanation:  Each water molecule is made of two hydrogen atoms and one oxygen atom, thus there are two H atoms and one O.

Explanation:

Hot air balloons work because hot air rises. By heating the air inside the balloon with the burner, it becomes lighter than the cooler air on the outside. This causes the balloon to float upwards, as if it were in water.

In response to the upward buoyant force, the hot air in the balloon rises.

The upward force that an object experiences from the air it displaces is known as air buoyancy.

Here,

Due to the fact that hot air is less dense than cold air of similar volume, the heated air causes the balloon to rise. Hot air balloons and blimps benefit from buoyancy, which is the air's upward force that keeps them in the air.

The wind determines the balloon's flight path, but the temperature of the air inside the envelope can be changed to alter the balloon's altitude. In order to raise the temperature inside the envelope and increase lift, the pilot may open one or more burner blast valves, causing the aircraft to ascend, slow down, or stop its descent.

If the envelope has a vent, the pilot can also open it to let hot air escape, which will lower the temperature inside the envelope and reduce lift, allowing the aircraft to descend or slow down or cease ascending.

If the pilot doesn't take action, the air inside the envelope will gradually cool through seepage or contact with cooler outside air and give less lift.

Hence,

In response to the upward buoyant force, the hot air in the balloon rises.

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