click and drag on elements in order correctly order the steps necessary to balance a chemical equation.

Answer:

here, i think this helps

https://www.crestwoodschools.org/userfiles/867/Classes/9260/Moles%20Worksheet.pdf

How does the water help a fossil form?

The answer is 1

Answer:Water is unusual because its molecules move further apart when it freezes. The molecules of just about every other substance move closer together when they freeze.

Explanation:

During freezing, water molecules lose energy and do not vibrate or move around as vigorously. This allows more stable hydrogen-bonds to form between water molecules, as there is less energy to break the bonds.

Answer:

\(0.75 \times 1000 = \)

Explanation:

Use ur calculator

Answer:

750m

Explanation:

1 km is equal to 1000m. Therefore all you have to do is multiply 0.75 by 1000 and you will get 750. Hope this helps! :)

a. Mg and CI:

The chemical formula of the ionic compounds formed between magnesium (Mg) and chlorine (Cl) is . Magnesium has a +2 charge, and chlorine has a -1 charge. To balMgCl_2ance the charges, two chlorine ions are needed for each magnesium ion.

b. Barium and nitrogen:

The chemical formula of the ionic compound formed between barium (Ba) and nitrogen (N) is Ba_3N_2. Barium has a +2 charge, and nitrogen has a -3 charge. To balance the charges, three barium ions are needed for every two nitrogen ions.

c. Ca and P:

The chemical formula of the ionic compound formed between calcium (Ca) and phosphorus (P) is Ca_3P_2. Calcium has a +2 charge, and phosphorus has a -3 charge. To balance the charges, three calcium ions are needed for every two phosphorus ions.

d. Francium and oxygen:

The chemical formula of the ionic compound formed between francium (Fr) and oxygen (O) is Fr_2O. Francium has a +1 charge, and oxygen has a -2 charge. To balance the charges, two francium ions are needed for each oxygen ion.

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Answer:

Naturely, the direction of the heat flow is from zone of high temperature to zones of low temperature. Hence, the direction of heat flow is from the sample of unknown metal and surrounding water until thermal equilibrium in the water-sample system is reached.

Explanation:

Naturely, the direction of the heat flow is from zone of high temperature to zones of low temperature. Hence, the direction of heat flow is from the sample of unknown metal and surrounding water until thermal equilibrium in the water-sample system is reached.

If judge will determines the plaintiff has brought a frivolous lawsuit against the defendant, then the judge may decide to order the plaintiff to pay court costs for the defendant. Option C is correct.

If a judge determines that a lawsuit is frivolous, it means that the case lacks merit or has no legal basis. In such cases, the defendant may have incurred legal costs and expenses defending themselves against the lawsuit. As a result, the judge may order the plaintiff to pay court costs, which would compensate the defendant for their expenses.

The other options listed (a) sentencing the plaintiff to jail time, (b) charging the plaintiff with a criminal offense, and (d) forbidding the plaintiff from bringing any further lawsuits are not typical outcomes for a frivolous lawsuit, as they would likely exceed the severity of the offense.

Hence, C. order the plaintiff to pay court costs for the defendant is the correct option.

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Answer:

Explanation:

halogen group

Electron affinities are negative numbers because energy is released. The elements of the halogen group (Group 17) gain electrons most readily, as can be seen from their large negative electron affinitie

Answer:

tbh i liked how u ghosted me

Explanation:

The physical and chemical properties contribute to the function of the synthetic products as both are qualities of a pure substance and are used to categorize different kinds of substances. therefore the statement is correct.

Physical qualities do not require any form of changes, however chemical properties of an element can be defined as with chemical changes.

While all compounds are bound together by various chemical bonds to demonstrate their chemical qualities, in order to demonstrate their physical properties, the compounds must be bound together.

Physical properties of an element are used to identify or describe the material, whereas chemical properties are used to determine how compounds interact with one another and with other substances.

Physical attributes of a substance include its molecular weight, melting point, length, color, odor, and shape while chemical properties include its compressibility, flammability, toxicity, and radioactivity.

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Answer: A suspension is a heterogenous mixture containing large particles that will settle on standing. Sand in water is an example of a suspension. A solution is a homogenous mixture of two or more substances where one substance has dissolved the other.

a.For the principal level with n = 1, there is only one orbital, which is the 1s orbital. The three quantum numbers for this orbital are n=1, l=0, and m_l=0.

b.For the principal level with n = 2, there are four orbitals: the 2s orbital and the three 2p orbitals. The three quantum numbers for the 2s orbital are n=2, l=0, and m_l=0. The three quantum numbers for the 2p orbitals are n=2, l=1, and m_l=-1, 0, and +1.

c. For the principal level with n = 3, there are nine orbitals: the 3s orbital, the three 3p orbitals, and the five 3d orbitals. The three quantum numbers for the 3s orbital are n=3, l=0, and m_l=0. The three quantum numbers for the 3p orbitals are n=3, l=1, and m_l=-1, 0, and +1. The five quantum numbers for the 3d orbitals are n=3, l=2, and m_l=-2, -1, 0, +1, and +2.

d.For the principal level with n = 4, there are sixteen orbitals: the 4s orbital, the three 4p orbitals, the five 4d orbitals, and the seven 4f orbitals. The three quantum numbers for the 4s orbital are n=4, l=0, and m_l=0. The three quantum numbers for the 4p orbitals are n=4, l=1, and m_l=-1, 0, and +1. The five quantum numbers for the 4d orbitals are n=4, l=2, and m_l=-2, -1, 0, +1, and +2. The seven quantum numbers for the 4f orbitals are n=4, l=3, and m_l=-3, -2, -1, 0, +1, +2, and +3.

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Both sand and potting soil are mixtures because they both contains more than one type of substances. Both are composed of minerals and different substrates.

Mixtures are substance formed by the combination of two or more components. The mixtures can be homogenous or heterogenous. Homogenous mixtures contains only one phase.

Heterogenous mixtures are of components with different phases. Sand is an example of heterogenous mixture. The major component of sand is silicon dioxide. it also contains grains of other minerals.

Potting soil is a mix of soil and minerals used for plantation. It also known as potting compost since it contains wood products, vermiculates, clay etc. Therefore, potting soil is a mixture.

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Palladium is a transition metal that is commonly used as a catalyst in various organic reactions. However, it does not play a role in the synthesis of aspartame.

The purpose or function of palladium in the synthesis of aspartame. Palladium does not serve as a drying agent, nucleophile, visualization agent for TLC plates under UV light, or a protecting group on amino acids in the synthesis of aspartame. In the synthesis of aspartame, palladium is not directly involved. Aspartame is typically synthesized through a multi-step process that involves the condensation of two amino acids: L-aspartic acid and L-phenylalanine. The condensation reaction is usually catalyzed by an acid catalyst, such as hydrochloric acid. The synthesis of aspartame, a low-calorie artificial sweetener, typically involves a multi-step process. Here is a simplified overview of the synthesis:

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Answer:

1Na₂S + 1Cd(C₂H₃O₂)₂ →  1CdS + 2NaC₂H₃O

Explanation:

1Na₂S + 1Cd(C₂H₃O₂)₂ → 1CdS + 1NaC₂H₃O₂

1Na₂S + 1Cd(C₂H₃O₂)₂ → 1CdS + 2NaC₂H₃O₂

(on the reactant side there are two molecules of C₂H₃O₂ and 2 atoms of Na, so in order to balance that we put the coefficient 2 on NAC₂H₃O₂)

So the final product is

1Na₂S + 1Cd(C₂H₃O₂)₂ →  1CdS + 2NaC₂H₃O₂

Neon gas consist of individual, unbonded neon atoms due to the stable (octet) configuration, while chlorine exists as diatomic chlorine molecules to gain stability.

Stability of any atom will be defined on the basis of the electronic configuration or the number of valence shell electrons they have.

Hence due to stable configuration of neon it is present in the unbonded form.

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Minimum qualifications of Astronomer 4 year degree to get a postgraduate qualification like a master of physics.

2 or 3 A levels, or similar, in math and physics; 5 GCSEs at grades 9 to 4 (A* to C), or equivalent; and a degree in a field that is useful for postgraduate study.

Math and physics expertise, analytical thinking abilities, science knowledge, great verbal communication skills, the capacity to take initiative, and the capacity to think coherently utilizing logic and reasoning are all desirable. To be extremely knowledgeable about computer applications and systems.

A scientist who concentrates their research on a particular issue or area outside the purview of Earth is called an astronomer in the science of astronomy. In either observational or theoretical astronomy, they observe celestial bodies like stars, planets, moons, comets, and galaxies.

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The energy, in kj, is transferred between the system and surroundings when 250. 0 g of potassium fluoride is dissolved into water, the molecular mass of kf is 58. 10 g/mol is 745 kJ per second  thermodynamics

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The answer to your question is B. evaporation

Answer: Evaporation.

Condensation is gas becoming a liquid, melting is a solid to a liquid, and precipitation rain or snow falling down to earth.

Hope this helps!

Answer:

it is the second one. Lead

Answer:

temperature

Explanation:

increase in temperature increases the rate of reaction

Answer:

Chemical properties- can be recognized only when substances react or do not react chemically with one another, that is, when they undergo a change in composition Physical properties- can be observed and measured without changing the kind of matter being studied Vocabulary terms:

Hope this helps

1. Ensure Clear and Visible Placement: Machine controls should be located in a position that is easily accessible, visible, and within reach of the equipment operator. Clear and intuitive labeling or color-coding can also be used to enhance visibility and assist in identifying the controls quickly.

2. Provide Adequate Guarding: The machine controls should be positioned in a manner that minimizes the risk of accidental activation or unintended operation. This can be achieved by incorporating appropriate guarding or barriers around the controls to prevent inadvertent contact or interference.

3. Consider Ergonomics and Operator Comfort: When determining the location of machine controls, it is essential to consider ergonomic principles and operator comfort. Controls should be positioned in a way that allows operators to maintain a comfortable and natural posture while operating the equipment. This can help reduce the risk of operator fatigue, musculoskeletal disorders, and errors due to discomfort or awkward reach.

These rules aim to promote operator safety, minimize the potential for accidents, and ensure efficient and effective control of equipment involving fluid power components.

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Answer:

Molecules do't break up and reform when a substance boils and cools. Particles stay the same size and shape during state changes.

Explanation:

brainliest will be appreciated

Answer:

b

Explanation:

Answer:  Mass is 2,37 kg

Explanation: Weight G = mg, and g = 9.81 m/s² on Earth.

m = W/g = 23.2 N /  9.81 m/s²

The mole fraction of solute (\(sodium chloride\)) in a 3.0 m solution is 0.00299, and the mole fraction solvent (\(water\)) is 0.997.

To calculate the mole fraction of solute and solvent in a solution of sodium chloride, we first need to know the identity of the solvent. Assuming that the solvent is water, we can use the following formula:

mole fraction of solute = moles of solute / total moles of solution

mole fraction of solvent = moles of solvent / total moles of solution

To determine the moles of solute in a 3.0 m solution of sodium chloride, we need to know the molarity and the volume of the solution. Let's assume that we have 1 liter of the solution, since the molarity is given in terms of moles per liter (m).

The molarity (\(M\)) of a solution is defined as moles of solute per liter of solution, so we can use the following formula to calculate the number of moles of sodium chloride (\(NaCl\)) in the solution:

moles of \(NaCl\) = molarity x volume of solution

moles of \(NaCl\) = 3.0 mol/L x 1.0 L

moles of \(NaCl\) = 3.0 moles

Now that we know the number of moles of \(NaCl\)in the solution, we can calculate the mole fraction of solute:

mole fraction of solute = moles of solute / total moles of solution

mole fraction of solute = 3.0 moles \(NaCl\)/ (3.0 moles \(NaCl\)+ 1000 moles \(H2O\))

mole fraction of solute = 3.0 / 1003.0

mole fraction of solute = 0.00299

To calculate the mole fraction of solvent, we need to subtract the moles of solute from the total number of moles of solution:

total moles of solution = moles of solute + moles of solvent

moles of solvent = total moles of solution - moles of solute

moles of solvent = 1000 moles \(H2O\)- 3.0 moles \(NaCl\)

moles of solvent = 997.0 moles \(H2O\)

Now we can calculate the mole fraction of solvent:

mole fraction of solvent = moles of solvent / total moles of solution

mole fraction of solvent = 997.0 moles \(H2O\)/ (3.0 moles \(NaCl\)+ 997.0 moles \(H2O\))

mole fraction of solvent = 0.997

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Answer:

3000 milligrams

Explanation:

to get milligrams you add 3 zero at the end

Answer:

Brownian moment means zig-Zag motion of particals Randomly anywhere in the free space or in fluids