How would you determine an atom's charge?

Answer:

helium

Explanation:

because there are no electrons screening it from the nucleus

All these terms describe a mind map detailed graphic , colorful , unordered and creative

The terms that describes a mind map are detailed , as lots of detailing is done using connection symbols

Graphic , they are graphical representation of an information

Colourful , They are colourful as to make it more visually interesting .

Unordered , They information might not be in sequence and so can be called unordered also

Creative , Yes it is creative as it brings out the artist inside you and you think more ideas to make it look more beautiful and understandable .

So All these terms describe a mind map detailed graphic , colorful , unordered and creative.

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At constant temperatures, the simplest approach to reduce the volume of a gas is to raise its pressure. So, at 700 bar, or 700 times normal atmospheric pressure, hydrogen has a density of 42 kg/m3, compared to 0.090 kg/m3 at normal pressure and temperature.

Hydrogen decreases metal oxides in the reactivity series below. That is, hydrogen can only decrease the oxides of metals that are less reactive than hydrogen itself.

High-Temperature Water Splitting: Chemical processes that split water to make hydrogen are fueled by high temperatures generated by solar concentrators or nuclear reactors.

The oxidation number of hydrogen gas is 0, but the oxidation state of hydrogen atoms in water is +1. As a result, the hydrogen atom has been oxidized. It acts as a reducing agent.

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The plastic container is likely to impact the integrity of the evidence i.e. a sample of DNA based on this storage method.

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Explanation:

One molecule of the antibiotic known as penicillin G has a mass of ... b) If you isolate 115 g of zinc chloride, what is the percent yield of the metal ... This drives off the volatile hydrochloric acid, but the.

As Sandra reacts to the 3.345 g of zinc with hydrochloride acid as HCL the obtained value is about 3.956 g of zinc and the chloride the calculated value is.

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Answer:

Condensation is the change of the physical state of matter from the gas phase into the liquid phase.

Answer:

the conversion of a vapour or gas to a liquid is defined as condensation.

Answer:

107 g

Explanation:

need to divide by avogadro’s number

The mass of a substance is a weight that can be given by the moles. In the sample 107.27 gms of ammonia is present. Thus, option D is correct.

Mass or the weight of the substance can be given by the molar mass and the moles of the substance.

We know,

6.02214076 × 10²³ molecules = 1 mole of NH₃

So, 3.80 x 10²⁴ molecules = 6.31 moles

If 1 mole = 17 gm ammonia

Then, 6.31 moles = 6.31 × 17 = 107 gms

Therefore, option D. 107 gms is the mass of ammonia.

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Answer:

The skillet got rusted.

Explanation:

In the context, Kelly kept the iron skillet in the sink which is full of water. After washing the dishes, she noticed the skillet's color is starting to change. She kept it for dry on the rack but the day later the skillet was ruined and damaged.

It was a chemical and physical change in the property of the metal where the iron skillet which was kept in the sink full of water oxidized due to the water content and the iron got oxidized to form form iron oxide which is known as rust. It damages the utensil and the color changes to muddy red or brownish red.

True. Injured individuals can rely on the common law to obtain damages and injunctions against business polluters.

The common law refers to the body of law that is developed through court decisions rather than legislation. In the context of environmental pollution caused by businesses, individuals who have suffered harm or injury due to such pollution may seek remedies under the common law.

Under the common law, individuals have the right to bring lawsuits against polluting businesses and seek damages for the harm caused. Damages can include compensation for medical expenses, property damage, loss of income, and other relevant losses resulting from the pollution. If the court finds the polluting business liable for the harm, it may order the payment of damages to the injured individuals.

Additionally, injunctions can also be sought under the common law. An injunction is a court order that requires the polluting business to stop or limit its harmful activities. In cases where ongoing pollution poses a threat to public health or the environment, injured individuals can seek injunctive relief to prevent further harm.

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Answer:

Autotrophs

Explanation:

They are responsible for the production of food. Root words "auto" for self and "troph" for food.

Answer:

When ions reach an electrode , they gain or lose electrons. As a result, they form atoms or molecules of elements: positive ions gain electrons from the negatively charged cathode. negative ions lose electrons at the positively charged anode.

Explanation:

I Hope This Helps! On You're Quiz Or assignment

Fatigue crack initiation typically occurs under dynamic cyclic loading conditions.

The correct option is:

a) Wear rate decreases by increasing the material hardness

Increasing the hardness of a material generally improves its resistance to wear.

Harder materials have better wear resistance because they can withstand greater forces and are less prone to surface deformation, abrasion, and material removal during sliding or rubbing contact.

The correct option is:

c) Dynamic cyclic load

Fatigue crack initiation typically occurs under dynamic cyclic loading conditions.

When a material is subjected to repeated loading and unloading cycles, especially with high-stress amplitudes, it can lead to the initiation and propagation of fatigue cracks over time.

The cyclic nature of the load induces progressive damage and eventual failure due to the accumulation of microstructural changes and crack growth.

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ANSWER

Water molecule is a compound

EXPLANATION;

Water molecule is formed from the combination of oxygen and hydrogen atoms

Recall, that compound is the combination of two or more elements that are chemically combined together

Therefore, water molecule is a compound

Molarity of a solution made by  dissolving 26. 42 g of (nh4) 2 so4 in enough water to make 50 ml of solution is 3.8M.

Molar concentration (likewise called molarity, sum focus or substance focus) is a proportion of the centralization of a synthetic animal types, specifically of a solute in an answer, as far as measure of substance per unit volume of arrangement. In science, the most regularly involved unit for molarity is the quantity of moles per liter, having the unit image mol/L or mol/dm³ in SI unit. An answer with a grouping of 1 mol/L is supposed to be 1 molar, usually assigned as 1 M.

Molarity is number of moles of solute/volume of solution in liters

Here,number of moles of solute is =mass of solute/molar mass of solute.

Solute is (NH₄)₂SO₄,so molar mass of solute is 132.14g

Now,number of moles are =26.42/132.14=0.19mole.

Now,molarity =(0.19/50)×1000=3.8M.

Hence,molarity is 3,8M.

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The standard potential for the given galvanic cell is +1.06 V.

To calculate the standard potential for the given galvanic cell, we need to determine the individual reduction potentials of the half-reactions and then subtract the potential of the anode (where oxidation occurs) from the potential of the cathode (where reduction occurs).

Given reduction half-reaction potentials:

Ag+(aq) + e^− → Ag(s): E∘ = +0.80 V

Ni2+(aq) + 2e^− → Ni(s): E∘ = -0.26 V

Since we have the reduction potentials for both half-reactions, we can directly calculate the standard potential for the cell:

E∘(cell) = E∘(cathode) - E∘(anode)

= E∘(Ag+(aq) + e^− → Ag(s)) - E∘(Ni2+(aq) + 2e^− → Ni(s))

E∘(cell) = +0.80 V - (-0.26 V)

= +1.06 V

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While certain aquaporins can transport glycerol because of its bigger size and capacity to form hydrogen bonds, others cannot transport H+ because of its tiny size and charge.

Specialised water channels called aquaporins enable the quick and precise movement of water molecules across cellular membranes. They are very selective and do not let the passage of ions, including H+, due to their small pore sizes. H+ ions cannot pass through an aquaporin channel because they have a positive charge and are smaller than even the smallest width of the channel. Contrarily, some aquaporins are capable of selectively transporting glycerol, a bigger molecule that can establish hydrogen bonds with the aquaporin residues lining the pore.

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The correct answer is option D. All of the above. It is necessary to slowly add the sulfuric acid to the p-cresol/acetic acid mixture in the test tube to prevent any accidents or injuries.

If sulfuric acid is added too soon, the solution may boil and the acid will spew out of the test tube, perhaps resulting in burns.

Sulfuric acid is also an endothermic reaction, which means it takes energy from its surroundings and has the potential to crystallise or cause the solution to harden.

Last but not least, adding the sulfuric acid gradually enables more precise measurement of the supplied sulfuric acid volume.

It is crucial to gradually add the sulfuric acid to the test tube mixture of p-cresol and acetic acid as a result of all these considerations.

Complete Question:

Why would it be necessary to slowly add the sulfuric acid to the p-cresol/acetic acid mixture in the test tube?

Options:

A.  To ensure accurate measurement of the volume of sulfuric acid added.

B. To prevent the solution from boiling and splattering the acidic solution out of the test tube.

C. To prevent the endothermic reaction from solidifying the solution.

D. All of the above.

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Answer:

4 meters

Explanation:

100 centimeters to meters, so move the decimal 2 spaces left.

400 becomes 4.00

Several physical and chemical factors also influence disinfectant procedures: temperature, pH, relative humidity, and water hardness.

Sanitizers can usually function properly in temperatures between 75°F and 120°F. Some metal objects may corrode when exposed to chlorine compounds at higher temperatures. Higher temperatures may also cause chlorine and iodine chemicals to evaporate from the solutions.

Number of microbes: If the microbial load is large, a stronger concentration of disinfectant or a longer exposure period is required to reach a specific level of disinfection.

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Answer:

A. Ethyl acetate (ethyl alcohol + acetic acid)

H

|

H--C--O--C--H

|

CH3

B. Butyl formate (butyl alcohol + formic acid)

H

|

H--C--O--CH3

|

CH3CH2CH2CH2

C. Methyl benzoate (methyl alcohol + benzoic acid)

H

|

H--C--O--C6H5

|

CH3

D. Ethyl butyrate (ethyl alcohol + butyric acid)

H

|

H--C--O--C3H7

|

CH2CH3

E. Propyl propionate (propyl alcohol + propionic acid)

H

|

H--C--O--C--CH3

| |

CH3 CH2CH3

F. Methyl propanoate (methyl alcohol + propanoic acid)

H

|

H--C--O--C2H5

|

CH3

G. Butyl benzoate (butyl alcohol + benzoic acid)

H

|

H--C--O--C6H5

|

CH3CH2CH2CH2

H. Ethyl hexanoate (ethyl alcohol + hexanoic acid)

H

|

H--C--O--C5H11

|

CH2CH3

I. Butyl pentanoate (butyl alcohol + pentanoic acid)

H

|

H--C--O--C4H9

|

CH3(CH2)2

J. Methyl pentanoate (methyl alcohol + pentanoic acid)

H

|

H--C--O--C4H9

|

CH3

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Answer:

January = 45

May = 80

Explanation:

45 + 8 = 53

53 + 8 = 61

61 + 8 = 69 Round 70

70 + 8 = 78 Round 80

[RevyBreeze]

 Answer:     i might 45 and 110 because i think that it is adding or something

Explanation:

Answer:

Q

Explanation:

The spectator ions in this reaction are NH4+ and Cl-.

To identify the spectator ions in the reaction between ammonium phosphate and calcium chloride  in aqueous solution, we first need to write the balanced equation and determine the products of the reaction:

(NH4)3PO4 (aq) + CaCl2 (aq) → 3NH4Cl (aq) + Ca3(PO4)2 (s)

Now, let's identify the spectator ions. These are ions that do not participate in the reaction and remain unchanged in the solution.

In this reaction:
1. NH4+ is a spectator ion, as it appears in both the reactants ammonium phosphate and the products ammonium chloride in its same ionic form.
2. Cl- is also a spectator ion, as it appears in both the reactants calcium chloride and the products ammonium chloride in its same ionic form.

So, the spectator ions in this reaction are NH4+ and Cl-.

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Answer:

The value 9.8 m/s^2 is the average acceleration of a falling object due to the force of gravity on Earth. The letter g represents this value the formula v=gt. With this constant and formula, the speed of an object is calculated at the time t in seconds after it is dropped.

All objects fall at the same rate of speed due to gravity, regardless of their weight. If a small grain of sand and a bowling ball are dropped at the same time, both hit the floor at the same time. The value of g varies by one's location on the planet, ranging from 9.782 m/s^2 in the Panama Canal Zone to 9.832 m/s^2 at the Noth Pole

Explanation:

If 3580 g of manganomanganic oxide is consumed, 2.01 of moles aluminum oxide produced can be determined using the molar ratios of the balanced chemical equation.

To find the number of moles of aluminum oxide produced, we need to use the molar ratio between manganomanganic oxide and aluminum oxide from the balanced chemical equation. The balanced equation is necessary to establish the stoichiometric relationship between the reactants and products.

Let's assume the balanced equation for the reaction is:

3 Mn₃O₄ + 8 Al → 9 Mn + 4 Al₂O₃

From the balanced equation, we can see that for every 3 moles of Mn₃O₄ consumed, 4 moles of Al₂O₃ are produced.

To calculate the number of moles of Al₂O₃ produced, we can use the following equation:

moles of Al₂O₃  = (mass of Mn₃O₄ consumed / molar mass of Mn₃O₄) * (moles of Al₂O₃  / moles of Mn₃O₄)

=2.01 moles of  Al₂O₃

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Yes, water molecules can evaporate. Evaporation is a physical process where a liquid turns into a gas, and it occurs when the molecules of the liquid gain enough energy to break free from their bonds and escape into the air. When water is exposed to air, some of its molecules will gain enough energy to evaporate and become water vapor in the atmosphere. This is why clothes dry when hung outside, and why puddles disappear on a hot day. The rate of evaporation depends on several factors, including temperature, humidity, and air movement, among others.

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Answer:

I DO NOT UNDERSTAND THE QUESTION, BUT THANKS FOR THE COINS/TOKENS!

Explanation: