Describe one way in which uranium is disposed of.

The thermal velocity of the atom in the given atmosphere would be approximately 2044.35 m/s.

The thermal velocity of an atom can be calculated using the formula:

v = sqrt((3kT) / m)

Where:

v is the thermal velocity of the atom,

k is the Boltzmann constant (1.38 x 10^-23 J/K),

T is the temperature in Kelvin,

m is the mass of the atom.

In this case, we have a temperature of 290.00 K and the atom is 4.00 times more massive than hydrogen. Let's assume the mass of a hydrogen atom is approximately 1 atomic mass unit (u) or 1.67 x 10^-27 kg.

The mass of the atom in question would be 4.00 times the mass of hydrogen, which is 4.00 * 1.67 x 10^-27 kg = 6.68 x 10^-27 kg.

Plugging these values into the formula, we get:

v = sqrt((3 * 1.38 x 10^-23 J/K * 290.00 K) / (6.68 x 10^-27 kg))

Calculating the thermal velocity gives:

v ≈ 2044.35 m/s

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Answer:

oven,toaster,fridge,and lights

Explanation:

Answer:

The correct answer is 10

Answer:

C

B

D

A

Could I please have BRAINLIEST.

The evaporation of water from your skin is an example of an endothermic reaction because heat is lost from the body as the water evaporates from the skin.

Based on the heat changes that occur in reaction, reactions can be classified into two types;

Exothermic reactions are reactions in which the heat content of the reactants is greater than the heat content of the products. Hence, heat is given out during the reaction. An example is the dissolution of acids in water.

Endothermic reactions are reactions in which the heat content of the reactants is less than the heat content of the products. Hence, heat is absorbed during the reaction. An example is the evaporation of water from the skin.

Other types of endothermic reactions are the melting of ice and thermal decomposition.

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Answer:

In a hydraulic lift system, the output force is greater than the input force because the pressure acting on the output piston is greater than the pressure acting on the input piston.

Explanation:

Answer:

c

Explanation:

chemical change results from a chemical reaction where nothing is change example of chemical changes burning, cooking, rotting and rusting

Answer:

IM LOOKING FOR POINTSSSSS

Explanation:

PLS HELP

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4.56g excess reactant is left over when 17.0 g of potassium hydroxide (KOH) reacts with 20.0 g of iron (III) nitrate (Fe(NO₃)₃)

Reactants are raw materials that react with one another and form products.

Here given balanced reaction is

2KOH + Fe(NO₃)₂ → Fe(OH)₂ + 2KNO₃

Then we have to calculated the masses of KOH and Fe(NO₃)₂ from the balanced reaction

Molar mass of KOH = 39+16+1 = 56g/mol

Mass of KOH = 2×56 = 112g

And the molar mass of Fe(NO₃)₂ = 56+2[14+(16×3)]

= 56+2[14 + 48)]

= 56+2[62]

= 56+124

= 180g/mol

Then from the balanced equation

112g of KOH and 180g/mol of  Fe(NO₃)₂

Then the 17 g of KOH = 17×180/112g

= 27.32 g of Fe(NO₃)₂

Then for 20.0 g of iron (III) nitrate

Therefore Xg of KOH = 112×20/180

Xg of KOH = 12.44g

Thus 12.44g of KOH reacted

Therefore we have determine the leftover mass of the excess reactant

Mass of KOH leftover = ?

Mass of KOH leftover = (Mass of KOH given) – (Mass of KOH that reacted)

Mass of KOH leftover = 17 - 12.44g

Mass of KOH leftover = 4.56g

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1. The name of the fertilizer I found at my local gardening store is Miracle-Gro All Purpose Plant Food.

2. Form (liquid or solid): Soluble powder.

3. Grade: 24-8-16

4. Weight of container or bag: 1.5 lbs. You may see the table on the attachment.

Miracle-Gro All Purpose Plant Food is a popular brand of fertilizer that can be found in most gardening stores and nurseries.  The form of Miracle-Gro All Purpose Plant Food is a soluble powder that can be dissolved in water.

The grade of this fertilizer is 24-8-16, which means it contains 24% nitrogen, 8% phosphate, and 16% potash (also known as potassium). The weight of the container or bag of Miracle-Gro All Purpose Plant Food is 1.5 lbs, which is the amount of fertilizer that is contained in the package.

The table shows the actual amounts of nitrogen, phosphate, potash, oxygen, and zinc (sometimes abbreviated as Za) in the fertilizer, based on the given weight of the fertilizer. This information is important for determining how much fertilizer to apply to plants and for maintaining proper plant nutrition. Nitrogen is an important component for promoting leaf growth, while phosphorus is important for root development and flowering. Potassium helps to promote overall plant health and resistance to disease.

Oxygen is not a component of fertilizer but is listed here because it is sometimes used as a filler in fertilizers to increase the volume. Zinc is also not a major component of most fertilizers but may be present in small amounts to help promote plant growth.

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Answer:

theoretical yield

Explanation:

Theoretical yield is the maximum possible amount of product obtained in a chemical reaction .

Theoretical yield is the quantity of a product obtained from the complete transformation  of the limiting reactant in a chemical reaction.

Theoretical yield is commonly expressed in terms of grams or moles.

It can be calculated from-:

The balanced chemical equation, the mass and relative formula mass of the limiting reactant, and the relative formula mass of the product.

Hence ,theoretical yield is the maximum possible amount of product obtained in a chemical reaction .

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a. In a campfire, wood is the limiting reactant and oxygen is the excess reactant

b. In the formation of tarnish (silver sulfide) on a silver-plated teapot, airborne sulfur is the limiting reactant, and silver is the excess reactant.

c. In the decomposition of baking powder in batter to produce carbon dioxide, the limiting reactant is the baking powder, while the excess reactant could be any other ingredient in the batter.

In each of these reactions, the limiting reactant is the substance that determines the amount of products formed, while the excess reactant is the one that remains unreacted after the reaction is complete.
a. Wood is composed mainly of cellulose and lignin, which react with oxygen in the air to produce carbon dioxide, water, and heat. The amount of wood determines the extent of the reaction, while there is usually an abundance of oxygen in the atmosphere to sustain the fire.
b. Sulfur in the atmosphere, often from pollution, reacts with silver to form silver sulfide. Since sulfur is present in relatively small quantities, it determines the amount of tarnish formed. The silver in the plating remains in excess.
c. Baking powder contains sodium bicarbonate, which decomposes upon heating to produce carbon dioxide, water, and a byproduct. The amount of carbon dioxide released depends on the amount of baking powder used, while other ingredients in the batter are in excess and do not affect the reaction.

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The ranking of bonds by increasing price volatility (duration) is as follows:

2) 4,2,1,3

This means that option 2 ranks the bonds in the correct order of increasing price volatility.

The duration of a bond measures its sensitivity to changes in interest rates. Generally, bonds with longer durations are more sensitive to interest rate changes and exhibit greater price volatility.

In the given ranking, the bond with the lowest price volatility (shortest duration) is bond 4, followed by bond 2, bond 1, and bond 3. This implies that bond 4 is the least affected by interest rate changes and has the lowest price volatility, while bond 3 is the most sensitive to interest rate changes and has the highest price volatility.

The ranking is based on the understanding that longer-term bonds tend to have higher durations and are more susceptible to price fluctuations due to changes in interest rates, while shorter-term bonds have lower durations and exhibit lower price volatility.

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Answer:

Nb 1= mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

The specific heat of the alloy weighing 90g at 100°C is 0.584 J/g°C.

The specific heat of a substance is the amount of energy required to raise the temperature of 1 mol of that substance. It can be calculated using the following formula;

Q = mc∆T

Where;

However, in this case, the following applies:

mc∆T (water) = - mc∆T (metal)

90 × 4.184 × {34.1 - 24.9} = - {90 × c × (34.1 - 100)}

3,464.352 = 5,931c

c = 0.584 J/g°C

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When solid sodium acetate (NaCH₃COO) is put into water, it dissociates into its constituent ions. The reaction can be represented as:

NaCH₃COO(s) → Na⁺(aq) + CH₃COO⁻(aq)

In this reaction, the solid sodium acetate breaks down into sodium ions (Na+) and acetate ions (CH₃COO⁻) in the aqueous solution. The sodium ions carry a positive charge, while the acetate ions carry a negative charge.

Since the resulting solution contains freely moving ions, sodium acetate is classified as a strong electrolyte. Strong electrolytes completely dissociate into ions when dissolved in water, allowing them to conduct electricity. In the case of sodium acetate, both the sodium ions and acetate ions are free to move in the solution, facilitating the flow of electric current.

It's important to note that the reaction mentioned above is a simplified representation, and in reality, there may be some hydration of the ions and additional interactions with water molecules. However, the overall concept remains the same: solid sodium acetate dissolves in water to form sodium and acetate ions, making it a strong electrolyte.

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In CH3-*CH2-CH3: sp3 hybridization and in CH2═CH2: sp2 hybridization and in CH3-*C≡CH: sp hybridization

The hybridization of the carbon atom indicated by (*) in each of the given molecules is as follows:

In CH3-CH2-CH3:

The carbon atom indicated by () is bonded to three hydrogen atoms and one other carbon atom. Since it has four bonded regions, the carbon atom undergoes sp3 hybridization.

In CH2═CH2:

The carbon atom indicated by () is involved in a double bond with another carbon atom. The presence of a double bond suggests that the carbon atom is sp2 hybridized.

In CH3-C≡CH:

The carbon atom indicated by () is involved in a triple bond with another carbon atom. The presence of a triple bond suggests that the carbon atom is sp hybridized.

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If the hydrogen gas is combusted and produces 645L of water vapor at 400 kelvin and 1.75 atm, 2796.96 g mass of the zinc is produced .

Using the ideal gas law equation:

PV = nRT

n = (PV) / (RT)

= (1.75 atm * 645 L) / (0.0821 atm·L/(mol·K) * 400 K)

= 42.71 moles

the balanced equation for the reaction between zinc and hydrochloric acid:

Zn + 2HCl -> \(ZnCl_{2}\)  + \(H_{2}\)

1 mole of zinc produces 1 mole of hydrogen gas. Therefore, the moles of zinc are also 42.71.

The molar mass of zinc is 65.38 g/mol.

Mass of zinc = moles of zinc * molar mass of zinc

= 42.71 moles * 65.38 g/mol

= 2796.96 g

Therefore, the mass of the zinc is 2796.96 grams.

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Answer:

Explanation:

The equation for the reaction of lithium with water to produce lithium hydroxide and hydrogen gas is:

Li + H2O -> LiOH + H2

To balance this equation using the electron-transfer method, we first need to determine the oxidation states of each element in the reactants and products.

In Li, the oxidation state of lithium is +1. In H2O, the oxidation state of hydrogen is +1 and oxygen is -2.

In LiOH, the oxidation state of lithium is +1, oxygen is -2 and hydrogen is +1.

In H2, the oxidation state of hydrogen is +1.

It's clear that lithium loses 1 electron to become Li+ and hydrogen gains 1 electron to become H-.

So, we have to add an electron on the right side of the equation to balance the electrons.

Li + H2O -> LiOH + H2 + e-

Now, the number of electrons on both sides of the equation is the same and the equation is balanced.

Alternatively, we can use the oxidation number method, where we balance the charge of the reactant and product side of the equation. The sum of the oxidation numbers of all atoms on the reactant side must equal the sum of the oxidation numbers of all atoms on the products side. In this case, the oxidation state of lithium is +1, hydrogen is +1 and oxygen is -2.

Li + H2O -> LiOH + H2

+1 +1 -2 = +1 +1 +1 -2

The equation is already balanced with respect to oxidation numbers

Answer:

positive ion.

Explanation:

It lost 3 negative charges (the electrons) so the remaining atom would have a positive charge.

Neither the protons nor neutrons are lost or gained in this step, so there are no isotope structures involved.

The dot structure of the compound that is referred to here is shown in  the image attached.

A dot structure, often called a Lewis structure or an electron dot structure, depicts how atoms and valence electrons are arranged in a molecule or ion. Around the atomic symbols, valence electrons are represented by dots.

Each atom's symbol in a dot structure is surrounded by dots that stand in for the atom's valence electrons. The electrons in an atom's outermost shell known as valence electrons participate in chemical bonding.

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You should probably rephrase this:

According to Coulomb's Law, as the number of protons in an atom increases (or atomic number), the nuclear energy of atoms will increase, pulling electrons closer.

I think the order would be Be, Li, K but feel free to check online before you submit any work with this.

A free radical is considered to be a type of a reactive species that can remove electrons from another substance ; it does this because it has one or more unpaired electrons.

A free radical is a highly reactive molecule that can be characterized by having one or more unpaired electrons. It is an atom or a molecule containing at least one unpaired electron. This unpaired electron makes them very reactive, as they are constantly looking to bond with other molecules to fill their outer shell. Free radicals are formed when a molecule splits into pieces and one or more of these pieces has an odd number of electrons. When free radicals bond with other molecules, they can damage the molecules' structure, which can lead to cell damage and disease.

Free radicals are produced naturally in the body, but they can also be caused by environmental factors such as smoking, pollution, and radiation.

Thus, a free radical is considered to be a type of a reactive species that can remove electrons from another substance ; it does this because it has one or more unpaired electrons.

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Answer:

fewer peaches will be sold

Explanation:

if the price increases less people will want to buy it, but the orchards would still get money so they wouldnt be affected

Answer:

fewer peaches

Explanation:

Answer:

3-phenylprop-2-enal

Explanation:

The given compound consists of a phenyl group, which is the ring

Considering the longest chain starting from the carbon atom closest to the  aldehyde, CHO, functional group, the location of the phenyl group is at the 3rd carbon atom on the longest chain

C6H5-C₃H = C₂H - C₁HO

Therefore, for the name of the branched group, we have;

3-phenyl

Based on the location of the double bond, at the second carbon atom, we have;

The name of the straight chin = Prop-2-ene

The name of the aldehyde functional group, CHO, is then added at the end by indicating its position on the longest chain, which is on the first carbon, the IUPAC name of the aldehyde functional group is -al, to give;

1-al

Combining, we get

3-phenylprop-2-ene-1-al

We remove the 1, to get the IUPAC name of the compound as follows;

3-phenylprop-2-enal

The number of moles of H2SO4 in 500 cm3 of the solution is 6.52 moles. To calculate the number of moles of H2SO4 in the given solution, we first need to find the mass of the H2SO4 present in it. We can do this by using the density of the solution and the volume of the solution.

to calculate the number of moles of H2SO4 in the given solution, we used the density of the solution and the percentage of H2SO4 to find the mass of H2SO4 present. Then, we used the molar mass of H2SO4 to calculate the number of moles of H2SO4 in 1000 cm3 of the solution, which we adjusted for the given volume of 500 cm3 to get the we used the number of moles and the volume of the solution to calculate the molarity of the solution

To find the molarity divide the number of moles of H2SO4 by the volume of the solution in liters Volume in liters = 500 cm3 × (1 L / 1000 cm3) = 0.5 L Molarity = Moles / Volume = 4.59 mol / 0.5 L = 9.18 M  there are 4.59 moles of H2SO4 in 500 cm3 of the solution, and the molarity of the solution is 9.18 M .

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If you have the sample with 2.02 × 10²² H₂O molecules. The number of moles of water in the sample is 3.3 E⁻².

The one moles of the substance = 6.022 × 10²³ molecules

The number of molecules of water = 2.02 × 10²² molecules

The number of the moles of water  is as follows :

The number of the moles of water = 2.02 × 10²² / 6.022 × 10²³ moles

The number of the moles of water = 3.3 × 10⁻² moles

Thus, number of moles of water is  3.3 × 10⁻² moles in 2.02 × 10²² molecules .

In the exponential notation is 3.3 E⁻² .

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it takes a total of nine "times around" the beta-oxidation sequence to convert a C20 fatty acid into acetyl-CoA. The correct option is (C).

Beta-oxidation is the process of breaking down fatty acids into acetyl-CoA molecules that can be used by the body for energy production. The process involves four steps: oxidation, hydration, oxidation, and thiolysis.

Each round of beta-oxidation removes two carbon atoms from the fatty acid chain and produces one molecule of acetyl-CoA.

Therefore, the number of "times around" the beta-oxidation sequence required to convert a fatty acid into acetyl-CoA depends on the length of the fatty acid chain.

In the case of a C20 fatty acid, it would take 10 "times around" the beta-oxidation sequence to produce ten acetyl-CoA molecules. However, the last "round" of beta-oxidation only produces a four-carbon molecule and a two-carbon molecule, rather than two eight-carbon molecules.

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