at what temperature does water change from a liquid to a gas

Answers

Answer 1

Answer:

212 degrees

Explanation:

Answer 2

Answer:

212 degrees Fahrenheit

Explanation:

Similarly, if we heat a volume of water above 100 degrees Celsius, or 212 degrees Fahrenheit, water changes its phase into a gas called water vapor. Changes in the phase of matter are physical changes, not chemical changes.


Related Questions

I need the solution of C.

I need the solution of C.

Answers

The maximum volume of carbon dioxide that can be formed at RTP would be 0.48 L.

Stoichiometric problem

Sodium carbonate reacts with hydrochloric acid according to the following balanced equation:

\(Na_2CO_3 + 2HCl -- > 2NaCl + H_2O + CO_2\)

The mole ratio of the sodium carbonate that reacts to the carbon dioxide that is produced is 1:1. Thus 0.020 mol of sodium carbonate will be equivalent to 0.020 mol of carbon dioxide.

At room temperature and pressure (RTP), 1 mole of gas is equivalent to 24 L of gas.

Thus, 0.020 mol carbon dioxide would be equivalent to:

0.020 x 24 = 0.48 L

In other words, the maximum volume of carbon dioxide that can be produced from the reaction at RTP is 0.48 L.

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The elements K, Ca, Se+, Kr, and Ga- all appear in Period 4 of the periodic table. Arrange them in order of their atomic size, from largest to smallest.

ANSWER ASAP!!

Answers

K > Ca > Ga > Se

K= 280pm
Ca= 231pm
Ga= 187pm
Se= 120pm

45.89 g of Hydrogen atoms contains how many moles of Hydrogen
atoms?


Please show work it’s due in 5 minutes I’ll give brainliest

Answers

2.63 g

Explanation:

One way to approach this problem is to determine the percent composition of hydrogen in water.

i need all the answers ASAP

i need all the answers ASAP

Answers

Answer:

explanation

Explanation:

Magnesium-

a. Solid

b. Metal

c. Natural

d. Mg

e. Alkaline earth metals

Ill answer the rest if you can mark brainliest

which of the following orbitals cannot exist? a) 2p b) 3d c) 4d d) 3f e) 162p

Answers

Among the given options, the orbital that cannot exist is e) 162p. This answer stands out as it violates the known patterns and limitations of atomic orbitals.

Orbitals are regions of space where there is a high probability of finding an electron. They are denoted by a principal quantum number (n), an angular momentum quantum number (l), a magnetic quantum number (m), and a spin quantum number (s).

In the case of the principal quantum number (n), it represents the energy level of the orbital and determines the size of the orbital. For a given value of n, the maximum value of the angular momentum quantum number (l) is n-1. The angular momentum quantum number specifies the shape of the orbital.

In the given options, all the orbitals are within the expected range except for option e) 162p. The value "162" for the principal quantum number is extremely high, surpassing any known energy levels in atoms. Furthermore, the "p" orbital shape corresponds to l = 1, which would not be possible for such a high principal quantum number.

In conclusion, among the provided options, the orbital that cannot exist is e) 162p. The combination of an excessively high principal quantum number and the specific orbital shape makes it inconsistent with the known principles and limitations of atomic orbitals.

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which of these minerals would be the main component in the cement slab in your house?

Answers

The main component in a cement slab in a house is typically Portland cement.

Key points:

Portland cement is a type of hydraulic cement that is commonly used in the construction of buildings, bridges, roads, and other structures.It is made by heating a mixture of limestone and clay to high temperatures, a process known as calcination.The resulting material is ground into a fine powder, which can be mixed with water, sand, and gravel to form concrete.The concrete is then poured and leveled to form the slab.The cement reacts with water to form a paste that binds the other materials together, creating a strong and durable building material.Portland cement is also used in other types of construction, such as in the production of mortar and stucco.Other types of cement such as blended cement can be used too, depending on the requirement and the availability of the raw materials.

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which sentence is a scientific statement

Answers

The scientific statement is

D. There is life on some other planet in the universe aside from Earth.

What is scientific statement?

A scientific statement is a statement that is based on empirical evidence, logical reasoning, and the scientific method. It is a claim or proposition that can be tested, observed, or measured, and is subject to scrutiny and verification.

Scientific statements are characterized by objectivity, reliance on evidence, and the potential for falsifiability or validation through experiments or further investigation. these statements aim to describe, explain, or predict phenomena in the natural world and are an essential part of scientific inquiry and the advancement of knowledge.

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complete question

Which sentence is a scientific statement?

A.

Food cooked in ceramic pots has a better aroma than food cooked in copper pots.

B.

A tall glass of water tastes better with a lemon wedge and ice cubes.

C.

Today, there are more viewers watching baseball than ice hockey on television.

D.

There is life on some other planet in the universe aside from Earth

The velocity of an object in motion at a specific instant point in time is known as __________.
average velocity.
instantaneous velocity.

Answers

Answer: Instantaneous velocity

According to Avogadro's law, what do equal volumes of ideal gases at
the same temperature and pressure contain?

Answers

Answer:

contain an equal number of molecules

Answer: equal volumes of different gases contain an equal number of molecules. 

Explanation:

Carbon cycle – What are the main reservoirs
of the carbon cycle? Where do the inorganic and organic carbon
cycles interact? What are the major differences and similarities
between the inorganic and organic carbon?

Answers

The main reservoirs of the carbon cycle are the atmosphere, oceans, land (including vegetation and soils), and fossil fuels. In these reservoirs, carbon exists in both inorganic and organic forms.

The inorganic carbon cycle involves the exchange of carbon dioxide (CO2) between the atmosphere and oceans through processes like photosynthesis and respiration.

Organic carbon, on the other hand, is found in living organisms, dead organic matter, and soil organic matter. It is cycled through processes such as decomposition and consumption by organisms. The interactions between the inorganic and organic carbon cycles occur primarily in the biosphere, where photosynthesis converts inorganic carbon into organic carbon compounds. While inorganic carbon is primarily in the form of CO2, organic carbon is present in complex organic molecules. Both forms of carbon play crucial roles in energy transfer, nutrient cycling, and climate regulation.

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They start with 0.0352 moles of cucl2(aq) and they conduct the various reactions described in the lab manual, which are given below. assuming no product is lost throughout the experiment, what is the theoretical yield of cu(s) in grams? the molar mass of cu is 63.546 g/mol. round your answer to 3 decimal places. do not include units in your answer.

Answers

Rounded to 3 decimal places, the theoretical yield of Cu(s) is 2.236 grams.

To calculate the theoretical yield of Cu(s) from 0.0352 moles of CuCl2(aq), we can use the stoichiometry of the reaction and the molar mass of Cu.

Since CuCl2 reacts to form Cu(s) in a 1:1 molar ratio, 0.0352 moles of CuCl2 will produce 0.0352 moles of Cu(s). Now, we can convert moles of Cu(s) to grams using the molar mass of Cu:

0.0352 moles Cu(s) * 63.546 g/mol = 2.236 grams of Cu(s)

Rounded to 3 decimal places, the theoretical yield of Cu(s) is 2.236 grams.

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For the following sets of quantum numbers, determine if it is an allowed set or not. If it is an allowed set, write the sublevel that it refers to. If it is not an allowed set, state why it is not correct.
n=3 , l = 3, ml =0, ms= -1/2

n=4 , l = 3, ml =2, ms= -1/2

n=4 , l = 1, ml =1, ms= +1/2

n=2, l = 1, ml=-1, ms= -1

n=5 , l = -4, ml =2, ms= +1/2

n=3 , l= 1, ml =2, ms= -1/2

Answers

Answer:

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Explanation:

What is a property of an ionic compound?

Select all that apply.

Responses

remains intact when soaked in water
, , , , remains intact when soaked in water

insulates against heat and electricity
, , insulates against heat and electricity

conducts electricity and heat efficiently
, , conducts electricity and heat efficiently

resists melting at high temperatures

Answers

The properties of an ionic compound are as follows:

Conducts electricity and heat efficiently. Resists melting at high temperatures.

Thus, the correct options for this question are C and D.

What do you mean by Ionic compound?

An Ionic compound may be defined as a type of chemical compound that is significantly composed of ions that are held together by electrostatic forces referred to as ionic bonding.

The properties of ionic compounds are determined by the process through which they dissociate from one another when they dissolve in water. For example, NaCl. They are good conductors of heat and electricity.

Therefore, the correct options for this question are C and D.

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What the anode , cathode and the electrolyte of a cell tha t you might use to electrolyte a spoon made from iron with silver?​

Answers

The silver coating on the spoon is produced. When electrolyzing a spoon made from iron with silver, the anode, cathode, and electrolyte that can be used are as follows:

Anode: The anode is a negatively charged electrode, usually made of metal or graphite, that releases electrons during electrolysis. It is made of pure silver.Cathode: The cathode is a positively charged electrode that receives electrons during electrolysis. It is made of iron.Electrolyte: The electrolyte is a solution that conducts electricity and contains ions that can be reduced or oxidized. The electrolyte used for this process is a solution of silver nitrate (AgNO3) in water.The silver ion (Ag+) moves from the anode to the cathode through the electrolyte. At the cathode, it accepts an electron, reducing it to metallic silver (Ag). Fe(s) is oxidized to Fe2+(aq) ion at the anode, while Ag+ ions are reduced to Ag(s) at the cathode. Therefore, the silver coating on the spoon is produced.

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If 1.00 grams of a compound contains 8.35 x 1021 molecules, what is it molar mass?72.1 g/mol

Answers

The chemical has a molar mass of 72.1 g/mol.

One mole of a chemical has a mass known as its molar mass. The measurement unit is grams per mole (g/mol). We need to know the sample's weight in grams and the number of molecules in order to determine the molar mass of the substance.

In this instance, we are informed that 8.35 x 1021 molecules make up 1.00 grams of the chemical. This knowledge allows us to calculate the molar mass.

We must first determine how many moles are present in the sample. Use the following formula to accomplish this:

Mass of the sample / Molar mass = number of moles

Formula rearranged to account for molar mass:

Molar mass is equal to the mass of the sample divided by the number of moles.

When the values are plugged in, we get:

Sample weight is 1 gram.

8.35 x 1021 molecules are the number of moles.

We can now determine the molar mass:

Molar mass is equal to 1 gram divided by 8.35 x 1021 molecules.

By converting grams to kilograms, we can make the math simpler:

Molar mass is equal to 1.00 x 10-3 kg divided by 8.35 x 1021 molecules.

Now that the units have been cancelled, we can simplify:

Molar mass is calculated as follows: (1.00 x 10-3 kg) / (8.35 x 10-21 molecules) = 1.20 x 10-24 kg/molecule.

The molar mass can finally be converted to grams per mole as follows:

Molar mass is equal to 1.20 x 10-24 kg/molecule times 1000 g/kg times 6.02 x 1023 molecules/mol, or 72.1 g/mol.

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is acidity always bad?

Answers

Answer:

depends on what you're talking about. Stomach acid benefits us, some fruits like oranges, lemons, and pineapples are acidic.

Explanation:

Answer:

No.

Explanation:

Which group of elements gain electrons?

Answers

Answer:

Non-metals tend to gain electrons

Explanation:

Nonmetals - they have high electron affinities and high ionization energies

Under which set of conditions would H₂ (g) be the most dissolved in H₂O(l)?

101.3 kPa and 75°C
120 kPa and 25°C
101.3 kPa and 25°C
120 kPa and 75°C

Answers

The most dissolved H₂ (g) in H₂O (l) would occur under 101.3 kPa and 75°C.

The attraction between an electronegative atom serving as the hydrogen bond acceptor and a hydrogen atom covalently bonded to a more electronegative "donor" atom or group (Dn) is known as a hydrogen bond, or H-bond (Ac).Under 101.3 kPa and 75 °C, the maximum dissolved H2 (g) in H2O (l) would be present.At higher temperatures, the solvent molecules will have higher kinetic energy, allowing them to break the hydrogen bonds between the molecules and dissolve H₂ (g) more easily. At higher pressures, there will be more molecules of H₂ (g) in a given volume, increasing the chances of it dissolving into the solvent.

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5.00 L of a gas is known to contain 0.965 mol. If the amount of gas is increased to 1.80 mol, what new volume will result ( at an unchanged temperature and pressure) ?
SHOW YOUR SOLUTION.

Answers

At an unchanged temperature and pressure, if the amount of gas increased by the given value, the final or new volume of the gas is 9.33L

Avogadro's law

Avogadro's law states that equal volumes of different gases contain an equal number of molecules provided temperature and pressure remains in the same conditions. It is expressed;

V₁/n₁ = V₂/n₂

Given the data in the question;

Initial volume; V₁ = 5.0L Initial amount of gas; n₁ = 0.965mol Final amount of gas; n₂ = 1.80mol Final volume; V₂ = ?

To determine the new volume, we substitute our given values into the expression above.

V₁/n₁ = V₂/n₂

V₁n₂ = V₂n₁

V₂ = V₁n₂/n₁

\(V_2 = \frac{5.00L * 1.80mol}{0.965mol}\\\\V_2 = \frac{5.00L * 1.80}{0.965}\\\\V_2 = \frac{9L}{0.965} \\\\V_2 = 9.22L\)

Therefore, at an unchanged temperature and pressure, if the amount of gas increased by the given value, the final or new volume of the gas is 9.33L

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Calculate the pH during the titration of 40.00 mL of 0.1000 M HCl with 0.1000 M NaOH solution after the following additions of base:(b) 25.00 mL

Answers

Ph range is 12.53.

What is PH?

PH is a proportion of hydrogen particle focus , a proportion of the causticity or alkalinity of an answer. The pH scale for the most part goes from 0 to 14. Fluid arrangements at 25°C with a pH under 7 are acidic, while those with a pH more prominent than 7 are essential or basic. Having a reasonable pH safeguards our bodies from the back to front. Some even say that illnesses and problems can't fill in a body whose pH is in balance. The pH is a logarithmic scale, that is to say, when an answer becomes multiple times more acidic, its pH diminishes by one. In the event that an answer becomes multiple times more acidic, its pH will diminish by two. The pH scale is recognizable to a bunch of standard arrangements whose pH is laid out by peaceful accord. Essential pH standard qualities are resolved utilizing a fixation cell with transaction, by estimating the possible distinction between a hydrogen terminal and a standard cathode like the silver chloride anode.

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What is the iupac name of this structure?

What is the iupac name of this structure?

Answers

Answer:

3–ethyl–4–methylhexane.

Explanation:

To name the above compound, do the following:

1. Determine the functional group of the compound.

2. Locate the longest continuous carbon chain. This gives the parent name of the compound.

3. Identify the substituent group attached to the compound.

4. Give the substituent the lowest possible count.

5. Combine the above to name the compound.

Now, we shall name the compound given in the question above as follow:

1. The compound contains only single bond. Therefore, the compound belong to the alkane family.

2. The longest continuous carbon chain is 6 i.e hexane.

3. The substituent group attached are:

i. Methyl, CH3.

ii. Ethyl, CH2CH3.

4. we shall name the substituents alphabetically i.e ethly will come before methyl. Therefore,

Ethyl is located at carbon 3.

Methy is located at carbon 4.

5. Therefore, the name of the compound is:

3–ethyl–4–methylhexane.

when a current is passed through a water solution of zncl, question blank 1 of 2 type your answer... ions are reduced and question blank 2 of 2 type your answer... ions are oxidized.

Answers

While passing a current through an aqueous (water) solution of ZnCl₂, zinc (Zn²⁺) ions are reduced, and chlorine (Cl⁻) ions are oxidized.

The reaction of ZnCl₂ goes as shown below:

Zn²⁺   +  2Cl⁻   →    Zn   +    Cl₂

At the anode (oxidation occurs):

2Cl⁻     →    Cl₂  +   2 e-

Here, Cl⁻ ions are oxidized.

Oxidation is the release of electron from one element to the other getting reduced. The agent that releases the electron is known as reducing agent.

At the cathode (reduction occurs):

Zn²⁺    +   2 e-     →     Zn

Here, Zn²⁺ ions are reduced.

Reduction is the acceptance of electron by one element from the other getting oxidized. The agent that accepts  the electron is known as oxidizing agent.

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FeS+O2=Fe2O3+SO2????

Answers

FeS+O2=Fe2O3+SO2

Iron (II) sulfide + Oxygen gas

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The specific heat capacity of solid copper metal is 0. 385 J/g-K. How many joules of heat are needed to raise the temperature of a 2. 12-kg block of copper from 25. 0 °C to 88. 0 °C?

Answers

Answer:

Explanation:

To calculate the amount of heat needed to raise the temperature of the copper block, we can use the formula:

Q = m * c * ΔT

where Q is the amount of heat in joules, m is the mass of the copper block in grams, c is the specific heat capacity of copper in J/g-K, and ΔT is the change in temperature in Kelvin.

First, we need to convert the mass of the copper block from kilograms to grams:

m = 2.12 kg * 1000 g/kg = 2120 g

Next, we need to calculate the change in temperature in Kelvin:

ΔT = (88.0 °C + 273.15 K) - (25.0 °C + 273.15 K) = 336.30 K - 298.15 K = 38.15 K

Now, we can plug in the values into the formula:

Q = m * c * ΔT = 2120 g * 0.385 J/g-K * 38.15 K = 31233.98 J

Therefore, approximately 31,234 joules of heat are needed to raise the temperature of the 2.12-kg block of copper from 25.0 °C to 88.0 °C.

which is more flammable hexane or potassium sulfate

Answers

Answer:

Between the two compounds, hexane and potassium sulphate, hexane is the more flammable compound.

Explanation:

Among hexane and potassium sulfate, hexane is more flammable.

What is Flammability?

Flammability may be defined as a type of physical property of an element or compound which determines the ability to support combustion. Due to this, it is also known as Combustibility.

This property defines the capability of any chemical element in order to ignite and continue it a very long time after coming or exposing it to direct contact with a flame or any source of ignition.

The characteristic of flammability relies on the volatility of the compound. This means that the higher the volatility of the compound greater or high the flammability.

So, when we compare hexane or potassium sulfate on the basis of volatility, hexane is more volatile and thus possesses high flammability.

Therefore, among hexane and potassium sulfate, hexane is more flammable.

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A group of 6 students was asked, "How many hours did you watch television last week?" Here are their responses.
7,9,4,13,13,16
Find the mean number of hours for these students.
If necessary, round your answer to the nearest tenth.

Answers

Answer:

10.3

Explanation:

A solution has a pH of 4. 20. Using the relationship between pH and pOH, what is the concentration of OH−? A. 9. 9 × 10-1 M B. 6. 2 × 10-1 M C. 6. 3 × 10-5 M D. 6. 7 × 10-6 M E. 1. 6 × 10-10 M.

Answers

1.6 x 10⁻¹⁰ M is the concentration of OH− ion of the solution has a pH of 4.20.

How we calculate the pH of any solution?

pH of any solution is define as the negative logarithm of the concentration of hydrogen ions i.e. pH = -log[H⁺].

Equation of pH will be written in the form of base 10 by removing the log as:

[H⁺] = \(10^{-pH}\)

Given value of pH is 4.20 and concentration of H⁺ ions will be calculated as:

[H⁺] = 10⁻⁴°²⁰

[H⁺] = 6.3 × 10⁻⁵

Now the relation between pH & pOH in term of base 10 is:

[H⁺][OH⁻] = 10⁻¹⁴

[OH⁻] = 10⁻¹⁴ / [H⁺]

[OH⁻] = 10⁻¹⁴ / 6.3 × 10⁻⁵ = 1.6 x 10⁻¹⁰ M

Hence, option (E) is correct i.e. 1.6 x 10⁻¹⁰ M.

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a 26.4 g sample of copper has a specific heat capacity of "0.3845" j/g c°. the copper is heated to 225°c and then cooled to 0°c. how much energy

Answers

Taking into account the definition of calorimetry, the energy released is 2283.93 J.

Calorimetry

Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.

Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).

In this way, between heat and temperature there is a direct proportional relationship. the equation that allows to calculate heat exchanges is:

Q = c× m× ΔT

where:

Q: the heat exchanged by a body of mass m. c: specific heat substance. ΔT: the temperature variation.

Energy released

In this case, you know:

Q= ?c= 0.3845 \(\frac{J}{gC}\)m= 26.4 gΔT= Tfinal - Tinitial= 0°C - 225 °C= -225 C

Replacing in the definition of calorimetry:

Q = 0.3845 \(\frac{J}{gC}\)× 26.4 g× (-225 C)

Solving:

Q= -2283.93 J

Finally, the energy released is 2283.93 J.

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List two things in your environment that your body would need to adjust to

Answers

Answer:

Temperature & Humidity

Explanation:

If the body could not adapt to these changes, we wouldn't be able to live all over the planet; from the equator up to the polar caps.

if an iron atom loses 3 electrons what is the charge on that ion

Answers

Answer:

If an iron atom loses 3 electrons, it will have a charge of +3.

Explanation:

When an atom loses or gains electrons, it forms an ion with a positive or negative charge, respectively. In the case of iron (Fe), the neutral atom has 26 electrons. By losing 3 electrons, it will have a total of 23 electrons remaining. Since the number of protons in the nucleus remains the same (atomic number of 26), but the number of electrons has decreased, the resulting ion will have a net positive charge. In this case, since 3 electrons are lost, the iron ion will have a charge of +3.

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Other Questions
(a) Compute the specific heat at constant volume of nitrogen (N2) gas, and compare it with the specific heat of liquid water. The molar mass of N2 is 28.0 g/mol. (b) You warm 1.00 kg of water at a constant volume of 1.00 L from 20.0C to 30.0C in a kettle. For the same amount of heat, how many kilograms of 20.0C air would you be able to warm to 30.0C? What volume (in liters) would this air occupy at 20.0C and a pressure of 1.00 atm? Make the simplifying assumption that air is 100% N2. Severe mental or physical impairment may prevent a person from even being able to manifest consent in which case the contract is? Solve for the unknown number of years in each of the following: Note: Do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16. Present Value $ 800 2,491 33,905 33,600 Years Interest Rate 10 % 8 % 13 % 20 % Future Value $ 1,655 4,250 392,620 214,844 HURRY ANSWER THIS IM BEING TIMED A bowl-shaped depression formed by a mountain glacier is termed a(n) _____.a. areteb. cirquec. tarnd. horn if a hydra individual, which can clone itself, is homozygous recessive, what would be the genotype of the vast majority of her babies? gale compares the nut to what? Violet light (410 nm) and red light (685 nm) pass through a diffraction grating with a d=3.33x10-6 m. what is the angular separation between them for m=2? what term is used for the division of people into layers according to their relative property, power, and prestige? True/FalseIndicate whether the sentence or statement is true or false.Slaves could inherit land from their masters in ancient Egypt.Please select the best answer from the choices providedTF Marrow Thieves Cast Members Roles that Represent:FrenchieMigRoseRiriMinerva How is Balthasar guilty? The adjusted trial balance is prepared after financial statements are prepared. after adjusting entries have been journalized and posted. before the trial balance. to prove the equality of total assets and total liabilities. Is 14.3729 rational or irrational Tucked away in a valley surrounded by steep mountains is the small town of Rjukan in Norway. Because of its location, it gets sunlight only about six months out of the year. Not much! But the townspeople have a solution. On one of the mountains, theyve installed three huge mirrors to direct sunlight to the town square below during the dark months.What other ways could directed sunlight be used to solve a problem? Use examples in your explanation. During a fire emergency, what is the very first action you should take according to the race/racer/racee fire protocol?. I can find almost any answer but the correct one, which is apparently 6. How would you solve this?Lim (x+3)^2-9x->0 x The constellation hercules, named after an ancient greek mythical hero. Page from a 1430 copy of the book of fixed stars, an astronomy book written by a tenth-century muslim scientist ChelseaEnter in the missing numbers to create equivalent ratios.5242520Enter in the missing numbers Translate the following verbal statement into an algebraic equation and then solve:Use x for your variable.The quotient of four more than a number and seven is ten.