In a thermonuclear device, the volume is 0.05L of gas and a pressure
of 4.0x106 atm. When the bomb goes off, it relases a gas into the
atmosphere at 1.0 atm, what is the volume of the gas after the
explosion?

Answer:

An alkaline solution is another name for a solution that is basic. All alkali metals react readily with water to produce the metal hydroxide and hydrogen gas. The resulting solutions are basic.

An alkaline solution is another name for a solution that is base. All alkali metals react readily with water to produce the metal hydroxide and hydrogen gas. The resulting solutions are basic.

According to the Arrhenius concept, base is defined as a substance which yields hydroxyl ions on dissociation.These ions react with the hydrogen ions of acids to produce salt in an acid-base reaction.

Bases have a pH higher than seven as they yield hydroxyl ions on dissociation.They are soapy in touch and have a bitter taste.According to the Lowry-Bronsted concept, base is defined as a substance which accepts protons .Base react violently with acids to produce salts .Aqueous solutions of bases can be used to conduct electricity .They can also be used as indicators in acid-base titrations.

They are used in the manufacture of soaps,paper, bleaching powder.Calcium hydroxide ,a base is used to clean sulfur dioxide gas while magnesium hydroxide can be used as an antacid to cure acidity.

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Answer:

Bonding;lone

Explanation:

Compared to rodents, rabbits have an extra pair of incisors and other skeletal structures that are different, scientist can conclude from this observation that they are serially homologous.

Serial homologous organs or structures are those that are structurally similar but have been modified to perform distinct functions.

As rodents and rabbits both have some similar functions and some changes in the skeletal structure, so that they both are serially homologous.

Hence scientist conclude that rodents and rabbits are serially homologous animals.

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Answer:

N2 + 3H2 ------> 2NH3

2AlBr + 3K2SO4------> 6KBr + Al(SO4)3

Answer:

I belive its d, not fully sure tho

Answer:

The second option

Explanation:

The process of elimiation.

1. We know liquids dont have a definite shape, they will morph into whatever enviroment theyre in

3. Solids dont expand based on what container theyre in, they either dont fit or they do

4. We know that liquid expands, so we can also rule this one out.

Which leaves us with option 2 to be correct.

The partial pressures of gases in air at 760 mmHg are N₂ (592.8 mmHg), O₂ (159.6 mmHg) and Ar (7.6 mmHg).

Partial pressure is the pressure of a gas in a mixture of gases.

Air is a mixture of gases with 78% N₂, 21% O₂, 1% Ar and other gases in trace amounts. The partial pressure of a gas is proportional to its percentage.

Let's calculate the partial pressures of these gases, considering that the atmospheric pressure is 760 mmHg.

pN₂ = 760 mmHg × 78% = 592.8 mmHg

pO₂ = 760 mmHg × 21% = 159.6 mmHg

pAr = 760 mmHg × 1% = 7.6 mmHg

The partial pressures of gases in air at 760 mmHg are N₂ (592.8 mmHg), O₂ (159.6 mmHg) and Ar (7.6 mmHg).

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Answer:

A, and b, hope this is right

Explanation:

Answer:

Explanation:

The branch of physical chemistry that is concerned with understanding the rates of chemical reactions is called Kenetics.

Answer:

V₂ = V₁ / T₁ * T₂ . If you prefer to set the final volume and want to estimate the resulting temperature, then the equation of Charles' law changes to: T2=T1/T1 multiplied by v^2.

Based on the molarity or molar concentration of the salt solution formed, the strength of the salt formed is 0.286 M.

Salt strength of a solution is the concentration of that salt in a given volume of solution.

The concentration is given as the moles of the salt in a given volume of solution or molarity.

The moles of salt, NaCl formed when 5 litres of 1 M HCL is mixed with 2 litres of 1 M NaOH solution is given below:

1 mole of HCl reacts with 1 mole of NaOH to form 1 mole of NaCl.

2 litres of 1 M NaOH will react with 2 litres of 1 M HCl to form 2 litres of 1 M NaCl.

Moles of NaCl in 2 litres of 1 M solution = 2 × 1 = 2 moles of NaCl.

Total volume of mixture = 7 L

Molarity of NaCl = 2 moles / 7 litres= 0.286 M

Therefore, the strength of the salt formed is 0.286 M.

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Answer:

8

Explanation:

becus it just how that is ok kidhdod

The term hydration of an alkene is defined as the addition of water across a double bond.

The term hydration of an alkene is defined as the addition of water across a double bond. The process of hydration always yields an alcohol as -OH is aded to one of the carbon atoms in the doube bond.

The reaction commences with the attack of the -OH group by water and is completed by a proton from acid. The neutral organic product of the reaction of cycloheptene with water and sulfuric acid is shown in the image attached.

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Answer:

B: They are resources that are in abundant supply and can replenish themselves quickly.

Explanation:

A renewable resource is one that can be used repeatedly and does not run out because it is naturally replaced. Examples of renewable resources include solar, wind, hydro, geothermal, and biomass energy.

Answer:

Your answer would be "Polyatomic anions."

I ask that you search to ensure there is not a similar question as it would save you time.

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Answer:

1

Recall that at STP, 1 mole of any ideal gas occupies 22.4 liters. Volume O2 gas = 0.0510 moles O2 x 22.4 L/mole = 1.14 liters (3 sig.

Explanation:

hope this helps

When (S)-2-butanol is treated with tosyl chloride and pyridine, followed by exposure to bromide, (R)-2-bromobutane is formed.

A substance may undergo inversion of configuration during nucleophilic substitution when the leaving group is bulky such that attack must occcur at the reverse side.

Hence, when (S)-2-butanol is treated with tosyl chloride and pyridine, followed by exposure to bromide, (R)-2-bromobutane is formed.

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Answer:

C

Explanation:

Remark

You have to take into account what the brackets mean. They enclose a complex ion. So (SO4)3 means that you multiply the number of atoms inside the brackets by the number on the right.

Sulphur for example has a 1 after it, but the 3 on the outside multiplies the 1 by 3.

Oxygen has 4 after it. So the number of oxygens is 4*3 = 12

Givens

Answer

Blue = 2

Yellow = 3

Green = 12

C

Answer:

Exothermic

Explanation:

Exothermic describes a process or reaction that releases energy

Answer:

C. gold beads and ornaments

Explanation:

Answer:

Third choice    see below

Explanation:

Weight change of potato chip   .45 - .42  = .03 gm

Assume all of the heat from burning the chip goes into the water (and none goes into the air or heating the can)

 24 degrees - 21 degrees = 3 degrees C  temp change

     spec heat water = 1    cal / g -cal  

  50 gm * 3 degrees * spec heat water = 150 calories  

150 calories = 150/1000 Calories  

Now for the potato chip

  150/1000 Calories   /   .03 gm =    5 Cal/gm

Answer: I don't know for sure but A and D seem like the best choices

Explanation:

Given the various data from the question, the answers to each question is given below:

Avogadro's hypothesis

1 mole of K₂CrO₄ = 6.02×10²³ molecules

Therefore,

0.6 mole of K₂CrO₄ = 0.6 × 6.02×10²³

0.6 mole of K₂CrO₄ = 3.612×10²³ molecules

1 mole of K₂CrO₄ contains 2 moles of K.

Therefore,

0.6 mole of K₂CrO₄ will contain = 0.6 × 2 = 1.2 mole of K

From Avogadro's hypothesis,

1 mole of K = 6.02×10²³ atoms

Therefore,

1.2 mole of K = 1.2 × 6.02×10²³

1.2 mole of K = 7.224×10²³ atoms

Therefore, we can say that

0.6 mole of K₂CrO₄ = 7.224×10²³ atoms of K

Molarity is defined as:

Molarity = mole / Volume

From the question given above, we obtained the following:

Molarity = mole / Volume

Molarity = 0.5 / 2

Molarity = 0.25 M

From the question given above, the following data were obtained:

Percentage = (mass of solute / mass of solution) × 100

Percentage of sugar = (50 / 250) × 100

Percentage of sugar = 20%

Total volume = 2 L

Percentage of vinegar = 5%

Volume of vinegar =?

Volume = percent × total volume

Volume of vinegar = 5% × 2

Volume of vinegar = 0.1 L

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Answer:

color , odor , size ( all the options except for reactivity )

Explanation:

A physical change involves a change in physical properties. Examples of physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Answer:

Brain controls all body parts or processess like thinking and our movements or physical activity.

Explanation:

The control center of the body is the nervous system. It directs the other body systems. It controls, monitors, and coordinates all body parts and processes. It also receives information from the environment and makes specific body parts acts on that information. The nervous system is made up of brain, the spinal cord, and the nerves.

Hi brainly user! In the picture are the Parts of a brain. Actually, this is what I drew before ^^

The molecule with the highest boiling point is  H₂Te, while the molecule with the highest vapor pressure is H₂S.

Boiling point of any substnace is inverely proportional to its vapour pressure, and boilig point is directly proportional to the molecular mass of the substance.

In the given compounds H₂S, H₂Se and H₂Te molecular mass of Te is high and of Sulphur (S) is small. So the boiling point of H₂Te is highest and of H₂S is low so the vapor pressure of H₂S is highest.

Hence, H₂Te has the highest boiling point and H₂S has the highest vapor pressure.

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Answer: See below

Explanation:

(i) 2AI + 3 NHANO3 → 3 N2+ 6 H2O + Al2O3  ΔH = -2030kJ

From stoichiometric coefiicients, it can be seen that:

When 2 moles of Al react, change in enthalpy =  -2030kJ

So, when 3.4 moles of Al react, change in enthalpy =  -(2030/2) x 3.4  kJ = -3451 kJ

Therefore, the change in enthalpy is -3451 kJ

(ii) The change in enthalpy is negative. This means heat is released during the reaction.

So the reaction is exothermic

The enthalpy change with the reaction of 3.4 moles of aluminum in the reaction is -3045 kJ. The reaction is exothermic in nature.

The reaction in which the energy is released and the value of change in enthalpy is negative is an exothermic reaction. The reaction in which the energy is absorbed with the positive value of change in enthalpy.

For a balanced chemical reaction, for 2 moles of Aluminum reaction, the change in enthalpy has been -2030 kJ. The change in enthalpy for the reaction of 3.4 moles of aluminum is given as:

[tex]\rm 2\;mol\;Al=-2030 \;kJ\\\\3.4\;mol\;Al=\dfrac{-2030}{2}\;\times\;3\;kJ\\\\ 3.4\;mol\;Al=-3045\;kJ[/tex]

The change in enthalpy for 3.4 moles of aluminum reaction is -3045 kJ. The reaction is exothermic in nature.

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