what is the weight, in grams, of 2 fl. oz. of a liquid having a specific gravity of 1.118?

Answer: I do believe it shows variables.

Explanation:

The Moon, Mercury, Edge of the Universe, Milky Way Galaxy, Hubble Galaxy, Pluto's Moon. Closest to Earth/ Farthest.

The universe is the entirety of everything that exists, including all matter and energy, space and time, and the physical laws and constants that govern them. The known universe is thought to be made up of billions of galaxies, each containing billions of stars and planets. The universe is also thought to be expanding, with all the galaxies moving away from each other.

The current scientific understanding of the universe is based on the Big Bang theory, which suggests that the universe began as a singularity, an infinitely dense and hot point, about 13.8 billion years ago. From this singularity, the universe expanded and cooled, giving rise to the formation of matter, stars, galaxies and eventually, the emergence of life.

The universe is also thought to be filled with dark matter and dark energy, which are thought to make up the majority of the universe's mass and energy, respectively.

The universe is a vast and complex place, with much that remains unknown and mysterious. Scientists continue to study the universe through telescopes, satellites, and other observation tools to understand more about its origins, structure and evolution.

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The density of the solid is  6.724 g/ml.

Density is the number of factors which can be people, animals, vegetation, or objects in a sure place. To calculate density, you divide the number of objects by the dimension of the place. The populace density of a rustic is the wide variety of human beings in that us of a divided by means of the location in square kilometers or miles.

The density of an amount to being counted is its mass divided by means of its quantity. it also includes measured at zero °C and at 1 atmosphere of stress. Density is vital in figuring out the buoyancy of materials in fluids, as well as in evaluating materials and other measurements.

The density of an object is certainly one of its maximum crucial and easily-measured physical properties. Densities are extensively used to perceive natural substances and to represent and estimate the composition of many varieties of combos.

density = mass/ volume

      = 975g/145ml

      = 6.724 g/ml

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Answer:

31.5 L

Explanation:

Simply use PV=nRT

Convert kPa  to atm by using 101.3 kPa = 1 atm

78.5 kPa x (1 atm/101.3 kPa) = .775 atm

Then find moles of O2 where MM = 32 so we have 1.0 moles

Find T in Kelvin = C +273 = 25 + 273 = 298

(.775 atm)(V) = 1.0 moles(0.082 atm x L / mol x K)(298 K)

V = 31.5 L

Yes, a metal will always be produced at one electrode during electrolysis.

An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit.

An electrode can be anode or cathode. During electrolysis, that is , the decomposition of a chemical compound by electricity, a metal will be deposited at the cathode.

Thus, a metal will always be produced at one electrode during electrolysis.

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Answer: FALSE

Explanation: Often, gases rather than metals form at electrodes, especially if it involves the electrolysis of a solution.

Answer:

The answer is option B.

Hope this helps you

Answer:

equal number of electrons and protons

Explanation:

electron is negatively charged and proton is positively charged for an atom to stay neutrality # of electrons and protons must be equal.

Answer:

A

Explanation:

Sodium has 11 electrons and Magnesium has 12 electrons. Since here you need to consider atoms, they must have equal amount of protons as electrons to be considered neutral, and so an atom.

So simply 11+12 =23

Answer:

• Reacting aqueous Sodium hydroxide solution with Magnesium chloride.

Explanation:

\({ \rm{2NaOH _{(aq)} + MgCl _{2(s)} \: \dashrightarrow \: 2NaCl _{(s)} + Mg(OH)_{2(aq)} }}\)

Answer:

Sodium hydroxide solution + Magnesium chloride = sodium chloride crystals

Explanation:

Answer:

H20 because u can touch it

An option that correctly represents a chemical element is known as hydrogen. Thus, the correct option for this question is D.

A chemical element may be defined as a type of substance that can't be broken down into its simpler form by non-nuclear reactions. It is generally composed of a species of atoms that have a given number of protons in their nuclei.

According to the context of this question, water is a compound because it is made up of water molecules. Water molecules are made up of atoms of hydrogen and oxygen. Sodium chloride is also a chemical compound because it is also made of atoms of sodium and chlorine.

Therefore, an option that correctly represents a chemical element is known as hydrogen. Thus, the correct option for this question is D.

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Answer:

A. Fluorine

Explanation:

I got it right on Plato.

Answer:

C

Explanation:

view the Attached photo i added to see how i got that answer

Answer:

yes, they are ph sensitive

Explanation:

Plants and animals are known to show growth sensitive to pH. pH is known as the hydrogen ion concentration of a solution. For example, plants are known to be growth sensitive to the pH of the soil. Plants need an optimum pH of soil for their growth, hence, showing growth dependence on soil pH.

The time period during which there is water in the tank can be described as (-∞, -8) ∪ (-5, 3). This means that there is water in the tank before 8 minutes have passed since the leak began and between 5 and 3 minutes before the present time.

The given function f(x) = -x^3 - 10x^2 - x + 120 represents the volume of water in the tank at a given time x (measured in minutes since the leak began). To determine the time period during which there is water in the tank, we need to find the values of x for which f(x) is greater than zero.

By analyzing the function and its graph, we can observe that f(x) is positive for values of x in the intervals (-∞, -8) and (-5, 3). This means that before 8 minutes have passed since the leak began and between 5 and 3 minutes before the present time, the volume of the tank is positive, indicating that there is water in the tank during those time periods.

Therefore, the time period during which there is water in the tank is (-∞, -8) ∪ (-5, 3).

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In the Lewis structure of methanol (CH3OH), the OH group is placed on the outside because it is an important functional group that influences the chemical properties and reactivity of the molecule.

The Lewis structure is a representation of a molecule that shows the arrangement of atoms and valence electrons. In methanol, carbon (C) is the central atom bonded to three hydrogen (H) atoms and one oxygen (O) atom. The oxygen atom forms a single bond with carbon and also has two lone pairs of electrons.

The placement of the OH group (hydroxyl group) on the outside of the Lewis structure is significant because it determines the chemical behavior of methanol. The OH group consists of an oxygen atom bonded to a hydrogen atom and represents the presence of an alcohol functional group.

In organic chemistry, functional groups are specific arrangements of atoms within a molecule that give rise to characteristic chemical reactions and properties. The presence and position of functional groups can greatly influence the behavior and reactivity of a compound. In the case of methanol, the hydroxyl group provides the molecule with its characteristic properties.

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The given example shows the reaction between 2 Cl2O(g), 2 C12(g), and O2(g). The spontaneity of the reaction is determined by the value of Gibbs free energy (AG). At low temperature, the reaction is spontaneous with AG<0, which indicates that the reaction can occur without any external energy.

This is because the reactants have a lower energy state than the products. At high temperature, the reaction is also spontaneous with AG<0, indicating that increasing the temperature increases the rate of reaction. However, at low temperature, the reaction is nonspontaneous with AG>0, meaning that external energy is required for the reaction to occur. This is because the products have a lower energy state than the reactants. Finally, at high temperature, the reaction is also nonspontaneous with AG>0, suggesting that increasing the temperature does not favor the reaction. Temperature plays a crucial role in determining the spontaneity of the reaction by affecting the energy of the reactants and products.

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Answer:

1/4 of the offspeing will have the red flowers

Answer:

Explanation:

pH = -log{H+]

{H+} = 10^(-pH)

pOH = 14 - pH

{OH-} = 10^(-pOH)

pH 2.90 (the approximate pH of lemon juice

{H+} = 10^(-2.9)

pOH = 14 - 2.9 = 11.1

{OH-} = 10^(-pOH) = 10^(-11.1)

pH 3.86 (the approximate pH of sauerkraut)

{H+} = 10^(-3.86)

pOH = 14 - 3.86 = 10.14

{OH-} = 10^(-pOH)  = 10^(-10.14)

pH 10.81 (the approximate pH of milk of magnesia)

{H+} = 10^(-10.81)

pOH = 14 - 10.81 = 3.19

{OH-} = 10^(-pOH) = 10^(-3.19)

pH 4.11 (the approximate pH of orange juice)

{H+} = 10^(-4.11)

pOH = 14 - 4.11 = 9.89

{OH-} = 10^(-pOH) = 10^(-9.89)

pH 11.61 (the approximate pH of household ammonia)

{H+} = 10^(-11.61)

pOH = 14 - 11.61 = 2.39

{OH-} = 10^(-pOH)  = 10^(-2.39)

When 1.5 mL of 6.0M hydrochloric acid is mixed with an aqueous solution of silver nitrate (AgNO3), the precipitate that will come out of the solution is silver chloride (AgCl)

After you mix about 1.5 mL of 6.0M hydrochloric acid (HCl) with aqueous layer, the precipitate that will come out of the solution is AgCl. In this reaction, silver ions present in the aqueous solution will combine with chloride ions present in hydrochloric acid to form silver chloride precipitate AgCl.

AgNO3 + HCl ⟶ AgCl↓ + HNO3

Here, AgCl is an insoluble solid, so it is seen as a precipitate (a solid that settles out of a liquid mixture) when HCl is added to the aqueous solution of AgNO3 (silver nitrate).

This reaction is an example of a precipitation reaction where a solid is formed from two soluble compounds. The formation of AgCl precipitate confirms the presence of chloride ions in the sample. This reaction is widely used in qualitative analysis to detect the presence of chloride ions in an unknown sample. Moreover, silver chloride is also used in the photographic industry, as it is sensitive to light and can be used to create photographic prints.

When 1.5 mL of 6.0M hydrochloric acid is mixed with an aqueous solution of silver nitrate (AgNO3), the precipitate that will come out of the solution is silver chloride (AgCl). This reaction is an example of a precipitation reaction where a solid is formed from two soluble compounds. Silver chloride is an insoluble solid that is widely used in qualitative analysis to detect the presence of chloride ions in an unknown sample.

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Answer:

P₂ = 80 KPa

Boyle's law is applied.

Explanation:

Given data:

Initial volume = 180 L

Initial pressure = 35.5 KPa

Final pressure = ?

Final volume = 80.0 L

Solution:

The given problem will be solved through the Boyle's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

35.5 KPa × 180 L = P₂ × 80.0 L

P₂ = 6390 KPa. L/ 80.0 L

P₂ = 80 KPa

Answer:

D. Pressure

Explanation:

The rate of a reaction is defined as the speed at which the reactants are converted into products. Factors influencing the rate of a reaction are concentration, catalyst, temperature, surface area,  and pressure, etc.

In case of the reaction rate of gases, pressure will only have its affect as pressure do not have any influence on solid and liquid.

While concentration, surface area and catalyst influence all reaction rates including solid, liquids and gases.

Hence, the correct option is (d) pressure.

The appropriate explanation for the non-metal is that the higher effective nuclear charge less will be the atomic radius.

Atomic radius typically decreases during a period from left to right. There are a few little outliers, such how the oxygen radius is a tiny bit bigger than the nitrogen radius. Protons are gradually added to the nucleus at the same time that electrons are gradually added to the main energy level. The enhanced positive charge of the nucleus gradually attracts these electrons closer to it. The size of the atoms shrinks as the strength of attraction between nuclei and electrons grows. Due to electron-electron repulsions that would otherwise result in the atom's size expanding, the effect becomes less pronounced as one proceeds further to the right in a period.

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The strong electrolytes among the given choices are HCl, HC2H3O2, and KCl.

In the given options, HCl and KCl are both ionic compounds. They contain a cation (H+ or K+) and an anion (Cl-). When these compounds dissolve in water, the ions get separated and move freely in the solution. Therefore, HCl and KCl completely dissociate into ions and are strong electrolytes.

On the other hand, HC2H3O2 (acetic acid) and NH3 (ammonia) are weak electrolytes. They partially dissociate into ions and also exist in the molecular form in the solution. Therefore, they are not strong electrolytes. In conclusion, HCl, HC2H3O2, and KCl are the strong electrolytes among the given choices.

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If heat was lost from the calorimeter while the ice was melting, the measured value of the molar heat of fusion would be lower than the true value.

This is because some of the heat that is released when the ice melts would be absorbed by the surroundings (including the calorimeter and the air), instead of being used to heat up the water in the calorimeter.

The molar heat of fusion is defined as the amount of heat required to melt one mole of a substance at its melting point, with no change in temperature. It is usually determined experimentally using a calorimeter, which is an insulated container that can measure changes in temperature and heat flow.

In the experiment to measure the molar heat of fusion of ice, a known mass of ice is added to a calorimeter containing a known mass of water at a higher temperature. The heat released by the melting ice is absorbed by the water, causing it to cool down. By measuring the change in temperature of the water, the amount of heat released by the melting ice can be calculated, and from this, the molar heat of fusion can be determined.

If some of the heat released by the melting ice is lost to the surroundings, the measured value of the heat released will be lower than the true value, and hence the calculated molar heat of fusion will also be lower than the true value. To obtain a more accurate value of the molar heat of fusion, the heat loss from the calorimeter should be minimized by insulating the calorimeter and conducting the experiment in a thermally stable environment.

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162.35 degree celcius is the new temperature of the gas in oc.

What is ideal gas law ?

The ideal gas law (also called the perfect gas law), the relationship between the pressure P, volume V, and temperature T of a gas in the boundary region between low pressure and high temperature. Gas molecules move almost independently. each other.

PV = nRT, where n is the number of moles of gas and R is the universal (or perfect) gas constant, 8.31446261815324 joules/kelvin/mol (the universal gas constant is defined as Avogadro's number NA multiplied by Boltzmann's constant k) . ) In the International System of Units, energy is measured in joules, volume in cubic meters (m3), force in newtons (N), and pressure in pascals (Pa). where 1 Pa = 1 N/m2. A force of 1 Newton moving a distance of 1 meter does 1 Joule of work. Therefore, the dimension of both products PV and nRT is work (energy).

Pressure is constant

V1T2 =V2T1

T2=V2T1/V1=162.35 degree C.

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The result table indicate that A. The solute is a SOLID because it has a DECREASE in the amount dissolved as temperature decreases.

The solubility of a solid solute in a liquid solvent generally decreases as the temperature decreases. This is because the kinetic energy of the solute molecules decreases as the temperature decreases. As the kinetic energy of the solute molecules decreases, they are less likely to have enough energy to escape from the solution and enter the gas phase.

In the table, as the temperature decreases, the concentration of the solute in the solution decreases. This indicates that the solute is a solid and that the solubility of the solute decreases as the temperature decreases.

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Alkenes are hydrocarbons that contain a double carbon bond, whereas alkanes are hydrocarbons that only have single carbon-carbon bonds.

The reason why alkenes are more reactive than alkanes is that the double bond has a very high electron density in comprarison to the single bond of the alkanes. This double bond is made up of one very strong σ bond and a weak π bond.

So generally alkenes react breaking the π bond.

21 L moles of hydrogen were added because hydrogen may make many metals, particularly the carbon steel often used in gas pipes, brittle.

Where may hydrogen be found?

Hydrogen is still a characteristic of something like the sun or most stars; it also makes up the bulk of Jupiter. Hydrogen in the form of water is the type of hydrogen that is most prevalent on Earth. It is a gas that is only very weakly presence in the atmosphere, with a physical concentration compared with fewer than 1 part per million.

H2 or H2o: which is hydrogen?

Hydrogen, with a molecular concentration of 1, is represented by the chemical formula H2. That lightest material is hydrogen, symbol H, which has atomic number one. The gas, which has the chemical formula H2, is extremely flammable, tasteless, and white.

Briefing:

V₁/n₁  =  V₂/n₂

3.9 L / 2.6 mol =  V₂/ 14 mol

V₂ =3.9 L × 14 mol  / 2.6 mol

V₂ = 54.6 L /2.6

V₂ = 21 L

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