the dayton accords multiple choice brought the deployment of peacekeeping troops to bosnia. ended the soviet invasion of afghanistan. ended the placement of soviet missiles on cuban soil. established the coalition that attacked iraq in the persian gulf war in 1990. brought a peaceful dissolution of the soviet union.

The jumbled word "gzeysktqix" can be unscrambled to form the word "skyzigtext."

Here are possible words that can be made from this jumbled word:

Sky: Referring to the atmosphere above the Earth.

Zig: Describing a series of sharp turns or angles.

Text: Referring to written or printed words.

Six: The number following five and preceding seven.

It seems that the jumbled word has provided a mix of letters that can be rearranged to form these words. This exercise is likely intended to enhance the student's vocabulary skills, spelling ability, and problem-solving skills. By unscrambling the letters, the student is encouraged to explore different word possibilities and apply their knowledge of language. It also promotes critical thinking and creativity as they find valid words from the given set of letters.

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Answer:

0.21 m

Explanation

25  NaCl * 1 mole/58.44 g NaCl * 1/20 kg = 0.21 m

Molecular equations for the following chemical reactions using shortened structures:

A. Butanoic acid + sodium:

C3H7COOH + Na → C3H7COONa + H2

B. Formic Acid + Aluminum Hydroxide:

HCOOH + Al(OH)3 → Al(HCOO)3 + 3H2O

C. Acetic Acid + Potassium Oxide:

CH3COOH + K2O → 2CH3COOK + H2O

D. Propanoic Acid + Lithium Hydroxide:

C2H5COOH + LiOH → C2H5COOLi + H2O

e. Acetic acid + butanol:

CH3COOH + C4H9OH → CH3COOC4H9 + H2O

F. Methanoic Acid + Potassium Carbonate:

HCOOH + K2CO3 → 2HCOOK + H2O + CO2

For each reaction, an informal structural formula of the organic substance and the product formed in the reaction is given.

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Answer:

More information so I can answer please.

Explanation:

The manner in which the transfer of energy would be different if the bars were in an open system is as follows: Energy transfer would occur between the copper bars and the surroundings (option B).

The law of conservation of energy principle stating that energy may not be created or destroyed.

An isolated system exchanges neither energy nor matter with the surroundings. According to this question, two copper bars at different temperatures transfer energy until both are at the same temperature.

However, in an open system, some of the energy would be transferred to the surroundings.

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Answer:

CH₃COOH; Ka = 1.8x10⁻⁵

Explanation:

When there are a conjugate acid-base pair, if the acid is weak, the base is strong and vice versa.

Now, the highest pKa, the strongest acid. If we want to find the strongest base we need to find the weak acid that is the acid with the lowest pKa.

In the options, the acid with the lowest pKa is:

Answer:

H C N — 4.9x10-10

Explanation:

When there is a conjugate acid-base pair, if the acid is weak, the base is strong, and vice versa.

Now, the highest Ka = the strongest acid. If we want to find the strongest base we need to find the weakest acid—the acid with the lowest Ka.

In the options, the acid with the lowest pKa is:

H C N ; Ka = 4.9x10-10

Answer: Li^+ (g) ----> Li^2+ (g) + e^-

Considering the definition of first and second ionization energy, the second ionization energy of lithium is:

Li⁺ →  Li²⁺  +  1 e-

In first place, the electrons are attracted to the nucleus and it is necessary to provide energy to start them. Ionization energy is the energy required to remove an electron from a gaseous atom, isolated and in a ground state. The electrons in the last shell, which are the weakest attracted to the nucleus, are always lost. In this way the neutral atom becomes a gaseous cation (ion with a positive charge).

So, in this case, the first ionization energy of lithium is:

Li →  Li⁺  +  1 e-

The energy required to remove a second electron is called the second ionization energy and due to the difficulty of removing an electron from a positive particle, its value is greater than the first ionization energy (the volume of a positive ion is less than that of the neutral atom and the electrostatic force is greater in the positive ion than in the atom)

Finally, in this case, the second ionization energy of lithium is:

Li⁺ →  Li²⁺  +  1 e-

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Answer:

\(Volume = 6.5025cm^3\)

Explanation:

Given

Initial Form: Onyx

Final Form: Rectangular Solid

Dimension of Solid = 5.10 cm by 5.10 cm by 2.50 mm

Required

Volume of the solid (in cm³)

The volume of a solid is calculated as thus;

\(Volume = Length * Width * Height\)

Assume the following;

\(Length = 5.10cm\\Width = 5.10cm\\Height = 2.50mm\)

The first thing to do is to convert the assumed height from mm to cm

Given that;

\(1mm = 0.1cm\)

This implies that

\(2.50mm = 2.50 * 0.1cm\\2.50mm = 0.25cm\)

Hence, the dimension of the solid in cm is:

\(Length = 5.10cm\\Width = 5.10cm\\Height = 0.25cm\)

The Volume is then calculated as;

\(Volume = 5.10cm* 5.10cm * 0.25cm\)

\(Volume = 6.5025cm^3\)

Hence, the volume of the rectangular solid is \(Volume = 6.5025cm^3\)

false

cells are made up of nucleus and cytoplasm and it's contained within the cell membrane

Answer:

true.

Explanation:

The total path covered by an object during its entire journey is called the distance covered. It is equal to the sum of all path traveled.

A person runs 21.0 km west then turns around and runs 10.0 km east. The total distance covered will be the sum of 21 km and 10 km.

d = 21 km + 10 km

d = 31 km

Hence, the given statement is true.

The two atoms are isotopes of each other are Si with a mass number of 27 and an atomic number 14, and Mg with a mass number of 25 and an atomic number of 12. The correct option is A.

Isotopes are atoms with the same number of protons but differing numbers of neutrons.

They differ in mass, which affects their physical characteristics even if they have nearly identical chemical properties.

An isotope is one of two or more chemical elements that exist in different forms. Varied isotopes of an element share the same atomic number and protons in their nuclei, giving them the same atomic weight.

However, each elemental isotope has a different amount of neutrons, which changes its atomic weight.

They can be referred to as isotopes because Si, which has a mass number of 27 and an atomic number of 14, and Mg, which has a mass number of 25 and an atomic number of 12, both have 13 protons.

Thus, the correct option is A.

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Answer:

\(P_N=1.33atm\\\\P_O=0.67atm\)

\(P_T=2.00 atm\)

Explanation:

Hello.

In this case, the first step is to compute the moles of nitrogen and oxygen given their initial P, T and V conditions via the ideal gas equation:

\(n_{N}=\frac{P_{N}V_{N}}{RT} =\frac{2.00atm*24.0L}{0.082\frac{atm*L}{mol*K}*273K}\\ \\n_{N}=2.144molN\\\\n_{O}=\frac{P_{O}V_{O}}{RT} =\frac{2.00atm*12.0L}{0.082\frac{atm*L}{mol*K}*273K}\\ \\n_{O}=1.072molO\)

After that, since the total volume now, once the mixture is formed is the addition between the initial volumes (12.0 L + 24.0 L) is 36.0 L, the partial pressure of each gas turns out:

\(P_N=\frac{2.144mol*0.082\frac{atm*L}{mol*K}*273K}{36.0L}\\\\P_N=1.33atm\\\\P_O=\frac{1.072mol*0.082\frac{atm*L}{mol*K}*273K}{36.0L}\\\\P_O=0.67atm\)

Thus, the final total pressure is:

\(P_T= P_N+P_O=1.33atm+0.67atm\\\\P_T=2.00 atm\)

Best regards.

Answer &

Explanation:

eukaryotic: Having complex cells in which the genetic material is contained within membrane-bound nuclei. cell: The basic unit of a living organism, consisting of a quantity of protoplasm surrounded by a cell membrane, which is able to synthesize proteins and replicate itself.

therefore it is cell

The equilibrium concentration of NO₂ at this temperature is approximately 0.219 M.

To determine the equilibrium concentration of NO₂, we can use the equilibrium constant expression (Kc) and the given equilibrium concentrations of NO and O₂. The equilibrium constant expression for the given reaction is:

Kc = ([NO₂]²) / ([NO]²[O₂])

We are given the equilibrium concentrations of NO and O₂ as [NO] = 0.31 M and [O₂] = 1.10 M, respectively. We need to find the equilibrium concentration of NO₂, denoted as [NO₂].

Using the given equilibrium concentrations and the equilibrium constant expression, we can rearrange the equation and solve for [NO₂]:

Kc = ([NO₂]²) / ([NO]²[O₂])

0.50 = ([NO₂]²) / ((0.31 M)²(1.10 M))

0.50 = ([NO₂]²) / (0.0961 M³)

Multiplying both sides by 0.0961 M³, we have:

0.04805 M³ = [NO₂]²

Taking the square root of both sides, we find:

[NO₂] = √(0.04805 M³)

[NO₂] ≈ 0.219 M

Therefore, the equilibrium concentration of NO₂ at this temperature is approximately 0.219 M.

It's important to note that the units of concentration (M) were used throughout the calculations, and the answer is rounded to three significant figures based on the given data.

Additionally, the negative sign of the enthalpy change (AH) indicates an exothermic reaction, and the equilibrium constant (K) of 0.50 suggests that the reaction favors the products, as the concentration of NO₂ is greater at equilibrium.

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Table salt does not melt on the stove, it dissolves in water and does not conduct electricity.

There are several substances listed in the table Epsom salt is another one of these substances. It does not melt on a stove, it dissolves in water and also conducts electricity.

Finally, potassium chloride does not melt on the stove, it dissolves in water and it does conduct electricity. These are the experiences one can have with these common substances.

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Answer: The law of corresponding states is an empirical law according to which the equations of states for real gases are similar when these gases are expressed in reduced temperature, pressures, and volumes at critical point.

Answer:

0.476 L

Explanation:

To find the volume of the blood, you need to multiply the given mass (grams) by the density of blood. It is important to arrange the ratio in a way that allows for the cancellation of units (since you are going from grams to mL, grams must be in the denominator).

Density = 1.05 g/mL

 500 grams                1 mL
--------------------  x  ---------------------  =  476 mL
                               1.05 grams

Finally, you need to convert mL to L. The final answer should have 3 sig figs like the given mass.

1,000 mL = 1 L

   476 mL                    1 L
-----------------  x  --------------------  =  0.476 L
                              1,000 mL

Answer:

you may proceed now

Answer what?? I don't see anything.

we would need 2625.13 grams (or 2.62513 kilograms) of NaCl.

To calculate the mass of NaCl required to produce a 26.4 mol/L solution with a 1.7 L volume, we need to use the formula that relates the mass of solute, moles of solute, and molarity:Molarity (M) = moles of solute / liters of solution Rearranging this formula, we get:moles of solute = Molarity (M) x liters of solutionWe can use this formula to find the moles of NaCl needed:moles of NaCl = 26.4 mol/L x 1.7 L = 44.88 molNow, we can use the molar mass of NaCl to convert from moles to grams. The molar mass of NaCl is 58.44 g/mol:mass of NaCl = moles of NaCl x molar mass of NaClmass of NaCl = 44.88 mol x 58.44 g/mol = 2625.13 gTo produce a 26.4 mol/L solution with a 1.7 L volume.

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The complete question is: \(CH_{4}(g) + O_{2}(g) \rightarrow CO_{2}(g) + H_{2}O(g)\) balance?

Answer:  \(CH_{4}(g) + 2O_{2}(g) \rightarrow CO_{2}(g) + 2H_{2}O(g)\) is a balanced equation.

Explanation:

A chemical equation which contains same number of atoms on both reactant and product side is called a balanced chemical equation.

For example, \(CH_{4}(g) + O_{2}(g) \rightarrow CO_{2}(g) + H_{2}O(g)\)

Here, number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

To balance this equation multiply \(O_{2}\) by 2 on reactant side and multiply \(H_{2}O\) by 2 on product side. Hence, the equation can be re-written as follows.

\(CH_{4}(g) + 2O_{2} \rightleftharpoons CO_{2}(g) + 2H_{2}O(g)\)

Here, number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

Since, there are same number of atoms on both reactant and product side. So, this equation is a balanced equation.

Thus, we can conclude that \(CH_{4}(g) + 2O_{2}(g) \rightarrow CO_{2}(g) + 2H_{2}O(g)\) is a balanced equation.

The term mole concept is used here to determine the moles of carbon. The moles of carbon required to make 128.1 g of CH₄ is 8 mol.

One mole of a substance is defined as that quantity of it which contains as many entities as there are atoms exactly in 12 g of carbon - 12. The formula used to calculate the number of moles is:

Number of moles = Given mass / Molar mass

The number of moles of 'C' required is:

128.1 g CH₄ / 1 × 1 mol CH₄ / 16 g CH₄  × 1 mol C / 1 mol CH₄ = 8.00 mol C.

Thus the number of moles of 'C' required is 8 mol.

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The partial charges on each fluorine atom are negative. Option B) The central O atom is the correct answer. Option B

The partial charges in a molecule are determined by the electronegativity values of the atoms involved. Electronegativity is the ability of an atom to attract electrons towards itself in a chemical bond. In the case of \(F_2O\), fluorine (F) is more electronegative than oxygen.

Fluorine is the most electronegative element on the periodic table, meaning it has a high ability to attract electrons. Oxygen is also relatively electronegative but less so than fluorine. When fluorine atoms bond with oxygen, the shared electrons will be pulled more towards the fluorine atoms, creating a polar covalent bond.

In \(F_2O\), each fluorine atom will pull the shared electrons towards itself, resulting in a higher electron density around the fluorine atoms. This creates a region of partial negative charge around the fluorine atoms.

Conversely, the oxygen atom will have a region of lower electron density and, therefore, a partial positive charge. This is because the shared electrons spend more time around the fluorine atoms due to their higher electronegativity.

Option B

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The number of particles of gold that are in 2.3 moles of Au is 1.38 * 10²⁴ particles.

The number of moles of O₂ in 15.5 grams of O₂ is 0.48 moles

The mass in grams of 2.47 x 10²¹ formula units of sodium oxide is 0.254 grams

The number of atoms of titanium in 23.4 Kg Ti is 2.93 * 10²⁶ atoms

The mass in grams of O₂ needed to produce 75.0 grams of H₂O is 66.67 grams of O₂

The mass in grams of H₂ that are needed to react with 75.0 grams of O₂ is 9.375 g.

The number of particles in a mole of a substance is 6.02 * 10²³.

Considering the given questions:

The number of particles of gold that are in 2.3 moles of Au = 2.3 *  6.02 * 10²³

The number of particles = 1.38 * 10²⁴ particles.

The number of moles of O₂ in 15.5 grams of O₂ = 15.5/32

The number of moles of O₂ = 0.48 moles

The mass in grams of 2.47 x 10²¹ formula units of sodium oxide = 2.47 x 10²¹/ 6.02 * 10²³ * 62 g

The mass in grams of 2.47 x 10²¹ formula units of sodium oxide = 0.254 grams

The number of atoms of titanium in 23.4 Kg Ti = 6.02 * 10²³ * 23.4 * 1000/48

The number of atoms of titanium in 23.4 Kg Ti = 2.93 * 10²⁶ atoms

The mass in grams of O₂ needed to produce 75.0 grams of H₂O = 75/18 * 1/2 * 32

The mass in grams of O₂ needed to produce 75.0 grams of H₂O = 66.67 grams of O₂

The mass in grams of H₂ that are needed to react with 75.0 grams of O₂ = 75/32 * 2 * 2 g

The mass in grams of H₂ that are needed to react with 75.0 grams of O₂ = 9.375 g.

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Answer:

\(yes\)

Explanation:

Iodine is present in salt which makes it salty:)

The chemical reaction is fe2+ Pt(s) ∣ fe3+ (aq) ∣∣cr2O²-7(aq),cr+3(aq) ∣ Pt(s)

Reaction where particular set of chemicals changes into another form without changing their nuclei just the transfer or sharing of electrons and formation and breaking of bonds is called as chemical reaction.

cr-2 7​ (aq)+ 14H+(aq)+ 6fe2+(aq)⟶6fe+3(aq)+2cr+3 (aq)+7h2 O(l)

Here,  cr+6 2 02-7  (aq) is reduced to  cr+3  (aq)

& fe+2 (aq) is oxidized to fe+3 (aq)

Reducing takes place at cathode & oxidation takes place at anode.

The cell is represented by anode on the left hand side of electrolyte bridge & cathode on the right hand side of electrolyte bridge.

∴  It can be represented as :

Pt(s) ∣ fe 3 + (aq)fe2+ (aq) ∣∣ cr2 o2-  7(aq),cr+3 (aq) ∣ Pt(s)

The complete question is : The cell reaction cr2 O2(aq)+14H+aq)+ 6fe2+(aq)→ 6fe3+(aq)+ (aq)+7H2 O(l), is best represented by:

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Answer:

D. all of the above

Explanation:

need brainliest

Explanation:

using Boyles law: which shows the relationship between pressure and volume, when temperature Is kept constant

P1V1 = P2V2

2 x 7.2 = 0.5 x V2

14.4 = 0.5 x V2

V2 = 14.4/0.5 = 28.8 L

Hence the new size of the balloon in litres is 28.8

Answer:

Rain

Explanation:

Clouds are formed from water vapor, which turns into ice when the temperature is below freezing, and falls as liquid rain water when temperatures are above freezing. Since the temperatures in the clouds and in the air are above freezing, rain will fall in Florida.

Answer:

Rain

Explanation: