Thermal energy is the average kinetic energy of particles of matter, whereas temperature is the total kinetic energy of particles of matter.

TRUE or FALSE:

Answer:  

What is a double replacement reaction? Double replacement reactions—also called double displacement, exchange, or metathesis reactions—occur when parts of two ionic compounds are exchanged, making two new compounds.

Explanation:

Answer:

P1V1=P2V2

Explanation:

because volume is inversely proportional to pressure provided that temperature remains constant

The pressure of 8.06 L of an ideal gas in a flexible container is decreased to one-third of its original pressure, and its absolute temperature is decreased by one-half and the final volume of gas is 12.09 L

The volume of gas in a flexible container is 8.06 L

The pressure is P1=X atm

Temperature is T1=YK

Let us calculate the volume V2 if Pressure P2=X/3 atm

Temperature T2=Y/2 K

Using the ideal gas equation, we get

P1V1/T1=P2V2/T2

V2=V1P1T2/T1P2

V2=8.06LX atm×Y/2K/YK.X/3 atm

V2=8.06x3/2

V2=12.09 L

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One-point perspective is a type of linear perspective where all lines converge to a single vanishing point on the horizon line. This technique is particularly suitable when depicting interior spaces or scenes viewed from a single vantage point.

For Jean to accurately depict the height of objects in the room, she should utilize a one-point perspective drawing. One-point perspective is a type of linear perspective where all lines converge to a single vanishing point on the horizon line. This technique is particularly suitable when depicting interior spaces or scenes viewed from a single vantage point.

By placing the vanishing point on the horizon line, Jean can establish a point of convergence for all vertical lines in the room. The height of objects, such as furniture, walls, or doors, can be represented accurately by drawing vertical lines from their base to the vanishing point. This approach creates a sense of depth and proportion, allowing viewers to perceive the relative heights of objects within the room.

Using one-point perspective will help Jean create a clear and realistic representation of the room's spatial arrangement, enabling her to accurately communicate the height relationships between different objects present in the crime scene.

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There is no reason to run these solutes at the 20 MWCO because they are both much smaller than the MWCO of the membrane.

The MWCO (molecular weight cut off) is the molecular weight of a solute at which it will be retained by a membrane during a process such as ultrafiltration or dialysis. If a solute has a molecular weight higher than the MWCO of a membrane, it will be retained and not pass through the membrane. If the molecular weight of a solute is lower than the MWCO, it will pass through the membrane.

In this case, glucose has a molecular weight of 180 g/mol (6 carbons x 12 g/mol per carbon + 6 oxygens x 16 g/mol per oxygen) and albumin has a molecular weight of approximately 81,942 g/mol (607 amino acids x 135 g/mol per amino acid). Both of these solutes have molecular weights that are much lower than 20,000 g/mol, which is a typical MWCO for ultrafiltration or dialysis membranes.

They would both easily pass through the membrane and be lost during the process. Instead, a membrane with a much lower MWCO would be needed if we wanted to retain these solutes during a process such as ultrafiltration or dialysis.

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In this reaction 10.8 moles of carbon dioxide was produced. 10.8moles of carbon monoxide used in this reaction to produce such number of moles of carbon dioxide.

In chemistry, a mole, usually spelt mol, is a common scientific measurement unit for significant amounts of very small objects like molecules, atoms, or other predetermined particles. The mole designates 6.02214076 1023 units, which is a very large number.

For the Worldwide System of Units (SI), the mole is defined as this number as of May 20, 2019, according to the General Convention on Measurements and Weights. The total amount of atoms discovered through experimentation to be present in 12 grammes of carbon-12 was originally used to define the mole.

2CO(g)+O\(_2\)(g)=2CO\(_2\)(g)

moles of carbon dioxide= 10.8 moles

According to stoichiometry

moles of carbon monoxide=  (2/2)× 10.8 =10.8moles.

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No it’s not balanced. The Na are not balanced (option A)

the given chemical equation is not balanced because It is missing some coefficients to balance the number of atoms on both sides of the equation.

The balanced chemical equation for the reaction is:

Na2SO4 + Mg(OH)2 → MgSO4 + 2NaOH

This equation shows that two molecules of sodium hydroxide (NaOH) are produced for every one molecule of magnesium hydroxide (Mg(OH)2) consumed, and that the number of sodium (Na) atoms is balanced on both sides of the equation.

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Answer:

Barium

Explanation:

Answer:

CaCl2

Explanation:

The ionic solid CaCl₂ would have the largest lattice energy. Therefore, option (c) is correct.

Lattice energy is the heat of formation when one mole of crystalline ionic solid is generated from its constituent ions in their gaseous state.

For example, the lattice energy of sodium chloride crystal is the energy change of reaction when Na⁺ and Cl⁻ ions react to produce a NaCl crystal, which is equal to -786 kJ/mol.

The relation between lattice energy and lattice enthalpy at constant pressure is given by:

ΔU (lattice) = ΔH (lattice) - PΔV

Lattice energy is directly proportional to the charge on ions and inversely proportional to the interionic distance between ions.

For NaCl and NaF the charge on the ions is +1 and -1 while the size of the ions is small. So they have less lattice energy.

CsI ionic solid have a larger size of ions Cs⁺ and I⁻. So CsI will have less lattice energy. CsBr₂ has +2 charge on calcium but the size of both ios is larger. So, CsBr₂ will have less lattice energy.

CaCl₂ has + 2 charge on calcium as well as the ionic radius is also samll. Therefore, CaCl₂ would have the largest lattice energy.

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Answer:

boring

Explanation:

life would be meaningless like everyone being like on person

1. Rate law - A chemical reaction's rate and the concentrations of the reactants involved are correlated by an expression known as the rate law, commonly referred to as the rate equation.

Step (1) is the rate-determining step because it is the slow step, it determines the reaction's overall pace; therefore,

Rate law= K [H₂O₂]  [I⁻]

2. order of reaction = second order

The Order of Reaction describes how the rate of a reaction depends on the concentration of each component. As a result, the rate of a first-order reaction depends on the concentration of a single species.

3. First step is the rate determining step because it is the slow step. Slow step determines the rate.

The rate-determining step is the one that establishes the speed (rate) of the complete chemical reaction.

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Your question is incomplete. For missing part refer the image below.

The explanation that BEST describes what happened to chocolate bar A is heat energy from the sun caused the chocolate to melt.

The correct option is A.

Heat transfer refers to the process by which is transferred from one body to another.

There are three main processes of heat transfer. The three processes are:

The effect of heat transfer or the addition of heat to substances include:

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Callie and Jeff were investigating the effects of heat on chocolate.

Chocolate bar A was left outside in direct sunlight.

Chocolate bar B was left inside with no direct sunlight.

Which explanation BEST describe what happened to chocolate bar A?

The energy from the sun caused the chocolate to melt.

The chocolate in the bar spread out due to entropy loss.

The energy holding the solid bar together was lost over time and it became liquid.

The liquid was the original state of the chocolate and over time it returned to this state.

Answer:

*  Properly dispose of hazardous household items.

*  Reduce or eliminate use of fertilizers and chemical herbicides and           pesticides.

*  Make an appointment to service your septic system

Landscape with native plants.

*  Eliminate bare spots in your yard.

*  Make a rain garden.

WAS THIS HELPFUL......

Answer:

A.

Explanation:

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 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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A chiral carbom atom is basically a carbon atom that is bonded to four different types of elements or group of atoms that form a molecule.

In the picture provided by the question we can see two chiral carbon atoms, the first one is attached to NH2, H, CH2 and COO-

The second chiral carbon atom is attached to NH2, H, COOH and CH2

As you can see all the bonded elements or molecules are different.

Answer:

D Biomass produces no radioactive waste

Explanation:

The balanced diet refers to consuming a variety of foods in appropriate proportions to provide all the necessary nutrients, vitamins, and minerals required for optimal health and well-being.

(a) It involves incorporating different food groups, such as fruits, vegetables, grains, protein sources, and dairy products, to ensure the body receives a proper balance of essential nutrients.

(b) Magellan took live animals on the voyage for various reasons. Firstly, the animals provided a source of fresh food, such as meat, milk, and eggs, which could supplement their diet during the long journey. Secondly, the animals could be used for breeding, ensuring a sustainable supply of food in case of shortages. Additionally, live animals were also valuable for trade and barter with indigenous communities encountered during the voyage.

(c) (I) A deficiency disease refers to a health condition that occurs due to a lack or inadequate intake of specific nutrients, vitamins, or minerals essential for normal bodily functions.

(lI) One symptom of scurvy is the development of swollen, bleeding gums. Other symptoms may include fatigue, weakness, joint pain, shortness of breath, and impaired wound healing.

(IlI) Scurvy is caused by a severe deficiency of vitamin C (ascorbic acid). Vitamin C is necessary for the production of collagen, a protein that helps maintain the health of blood vessels, gums, and other connective tissues in the body.

(iv) Elcaro did not develop scurvy because it is likely that they had access to fresh fruits and vegetables during the voyage. Fresh fruits and vegetables are excellent sources of vitamin C, and their consumption would have prevented the deficiency. The absence of scurvy among the crew of Elcaro suggests that they had a sufficient intake of vitamin C through their diet, avoiding the vitamin C deficiency responsible for scurvy.

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The volume of 12 gas forms when 21 L Cl2 react at STP is 21 L.

To determine the volume of 12 gas (I assume you mean I2 gas) formed when 21 L of Cl2 reacts at STP (standard temperature and pressure), we need to use the ideal gas law equation.

The ideal gas law equation is given by:

PV = nRT

Where:

P = pressure

V = volume

n = number of moles

R = ideal gas constant

T = temperature

At STP, the pressure is 1 atm, and the temperature is 273.15 K.

From the balanced equation, we can see that the molar ratio between Cl2 and I2 is 1:1. So, if 21 L of Cl2 reacts, it will produce an equal volume of I2 gas.

Given that the volume of Cl2 is 21 L, we can assume the volume of I2 gas formed will also be 21 L.

Therefore, the volume of I2 gas formed is 21 L.

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Answer:

shell and negative

Explanation:

atoms have two parts the necules part and the shell part electron found on the shell

Electrons are found in shells/orbitals of the atoms and have a negative charge.

The angles as shown are supplementary angles because the add up to 180 degrees.

Two angles are said to be supplementary if they add up to 180 degrees. Now we know that the sum of angles on  straight line is 180 degrees. If we look at the image as shown in the image attached, we can see that the angles lie on a straight line.

As such, we can conclude that the angles as shown are supplementary angles because the add up to 180 degrees.

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Answer:

Explanation:

The equation must be balanced on both sides to show the law of conservation of mass. So, as long as it is equaled, the law is shown.

Answer:

I just did the assignment it's "decreases"

Explanation:

If you guys came from Ed-genuity (i'm writing it like that because apperantly that is a swear word?) That means the next questions are "As you move from left to right across the periodic table, electronegativity..." and "As you move from top to bottom within a group, the first ionization energy...".

for electronegativity, it's increases and for ionization energy it's decreases. Hope this helps!

Answer:

1. Decreases

2. Increases

3. Decreases

Matter are anything that is made up of atoms. The quantity of matter can be observed only on the basis of mass and volume calculation. Thus option C is correct option.

Matter is a substance that has some mass and can occupy some volume. The matter is mainly used in science. Matter can be solid, liquid or gas.

Matter is anything that is made up of atoms. Anything around us that can be physically seen and touched are matter. Ice, water and water vapors are example of matter.

Giant planet atmospheres have layers of clouds and aerosols (tiny liquid droplets) made from different chemicals because different chemicals condense at different temperatures.

Therefore,  option C is correct option.

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The balanced reaction equation of the reaction is; 2H2O + O2 → 2H2O2

This is a chemical equation that represents the reaction between water (H2O) and oxygen (O2) to form hydrogen peroxide (H2O2). The coefficients in front of each substance indicate the relative number of molecules involved in the reaction.

Recall that we can balance the reaction equation  by ensuring that the atoms of the elements on both sides of the reaction equation are the same as we have above.

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Answer:

The pressure at equilibrium of Br₂ is 0.10048 atm

Explanation:

Based on the reaction:

Br₂(g) + 3 F₂(g) ⇄ 2 BrF₃(g)

Kp is defined as:

\(Kp = \frac{P_{BrF_3}^2}{P_{Br_2}P_{F_2}^3}\) = 5.4x10⁸

If initial pressures of Br₂ and F₂ are 0.30atm and 0.60atm respectively, the pressures in equilibrium are:

Br₂ = 0.30atm - X

F₂ = 0.60atm - 3X

BrF₃ = 2X

Replacing in Kp formula:

5.4x10⁸ =  [2X]² / [0.30atm - X] [0.60atm - 3X]³

5.4x10⁸ = 4X² / [0.30 - X] [0.216 - 3.24 X + 16.2 X² - 27 X³]

5.4x10⁸ = 4X² / 0.0648 - 1.188 X + 8.1 X² - 24.3 X³ + 27 X⁴

Solving for X:

X = 0.3000 → False answer because produce negative concentrations.

X = 0.19952. Replacing in equation of Br₂:

Br₂ = 0.30atm - 0.19952atm = 0.10048 atm

The interaction between polar water molecules and the partially charged ions of glucose, resulting in ion-dipole forces, is the strongest inter molecular force in the solvent-solute interaction.

Solute interaction is the interaction between two or more solutes in a solution. This interaction can be either physical or chemical in nature. Physical interactions involve the solutes having an effect on each other due to their shape, size or charge. Chemical interactions involve the solutes reacting with each other to form new compounds. In either case, the solutes will have an effect on the properties of the solution such as viscosity, boiling point, freezing point, and solubility. Solutes can also interact with each other when they are mixed together, as in a mixture of two liquids or a mixture of two solids.

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Below is a list of the temperature change solution.

The source of the temperature change is

Initial Temperature - Final Temperature

Temperature measurements

It is a gauge for determining how hot or chilly a body is.

To quantify temperature variations,

The water and iron's beginning and final temperatures are noted.

To Iron

Iron that has been heated up is submerged in water.

Water is at a lower temperature, so both of the temperatures will change.

These information is saved.

Final temperature minus initial temperature equals temperature change.

a) The difference in temperature for metal is 200 - 100 = 100 0C

Water temperature change = 22.5

Change in temperature for both = 23.3

b) 0.7 for water

Metal 76.6 for iron

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Complete Question -

Put the Metal in the Water and Measure

Temperature Changes (Lead)

Measure the initial temperature of the water to the

nearest 0.1°C. Record in the data table.

Initial temperature of metal =

Initial temperature of water

Final temperature of both = [

27

DONE

26

25

24

23

Intro

Continue

AL

250 ml

=பா-©

200

150

100

1

27

O

°C

°C