If the relative humidity is 68% and the vapor pressure is 16 mb, what is the vapor pressure at saturation?

Answer:  Answer in mb

What is the approximate saturation air temperature?

Answer:  Answer in °C

1.003

3.441

2 O

first

third

A compound is formed while atoms of or extra physical bond collectively chemically changes. For example, desk salt is a chemical compound that effects while atoms of Sodium (Na) bond with atoms of chlorine (Cl).

The residences of an detail do alternate while that detail combines with different factors to shape compounds. There are handiest 118 recognized factors which integrate to make the entirety withinside the universe. If you consider that, you will see that the residences of the detail have to alternate relying upon the compound it's far in.

For example, water is a compound crafted from the factors hydrogen and oxygen. Sugar is likewise a chemical compound which incorporates hydrogen and oxygen, in addition to carbon. The residences of the hydrogen atoms are one of a kind while they're a part of a sugar molecule than while they're a part of a water molecule.

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To solve this problem, we can use the combined gas law:
(P1 x V1) / (T1) = (P2 x V2) / (T2)
Where P1, V1, and T1 are the initial pressure, volume, and temperature, and P2, V2, and T2 are the final pressure, volume, and temperature.
We are given the initial values for P1, V1, and T1, and the final values for V2 and T2. We need to solve for P2.Substituting the given values into the equation, we get:
(0.9 atm x 12 L) / (35°C) = (P2 x 7 L) / (25°C)
Simplifying and solving for P2, we get:
P2 = (0.9 atm x 12 L x 25°C) / (35°C x 7 L)
P2 = 1.23 atm

Therefore, the final pressure of the fluorine gas is 1.23 atm.
To find the final pressure of the fluorine gas, you can use the combined gas law formula, which is:
(P1 × V1) / T1 = (P2 × V2) / T2
Given initial conditions: P1 = 0.9 atm, V1 = 12 L, and T1 = 35°C
Final conditions: V2 = 7 L, and T2 = 25°C
First, convert the temperatures from Celsius to Kelvin:
T1 = 35°C + 273.15 = 308.15 K
T2 = 25°C + 273.15 = 298.15 K

Now, plug the values into the combined gas law formula and solve for P2 (final pressure):
(0.9 atm × 12 L) / 308.15 K = (P2 × 7 L) / 298.15 K
Rearrange the equation to solve for P2:
P2 = (0.9 atm × 12 L × 298.15 K) / (308.15 K × 7 L)
P2 ≈ 1.106 atm
The final pressure of the fluorine gas is approximately 1.106 atm.

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Answer:

Explanation:

The way you can find this out is first doing 60 seconds times 60 minutes (1 min times 60/ an hour), then you do that answer (3600) times 48 (2 days) and get that answer (172,800) and put that aside. Then do Step 1 again, but do 3600 times 12 this time (half a day) and then add the two answers together (172,800 + 43,200) and you will get 216,000.

Hope this helps!

As a result, the C2 molecule has a double bond and has a bond order of 2. While C2 is diamagnetic, B2 is paramagnetic. The bond order of the diatomic carbon anion is three.

Above and below the ring, respectively, are the second and third carbon to carbon bonds. A triple bond would point away from the two carbon atoms if it were to form. The other three bonds would need to be severely bent in order for this bond to exist, which is extremely inefficient in terms of energy.

92.4 kcal mol-1 and 87.4 kcal mol-1 for the bonds, 72.1 kcal mol-1 for the strong bond, and 9.7 kcal mol-1 are the predicted values for C2.

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Answer:

The balanced reaction for the decomposition of baking soda is

2 NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g)

We can find the heat of reaction by using the Hess' Law. This is done by using this formula:

∑(Hf,products) -∑(Hf,reactants) = Heat of reaction

where Hf is the heat of formation. According to literature, these are the heats of formation for each of the compounds in the reaction:

NaHCO3: -947.68 kJ/mol

Na2CO3: -1130.94 kJ/mol

CO2: -393.51 kJ/mol

H2O: -241.8 kJ/mol

Applying Hess' Law:

[1(-1130.94) + 1(-241.82)] + 1(-393.51)] - [2(-947.68)] = 129.09 kJ

Thus, the heat of reaction is 129.09 kJ/mol NaHCO3. Since there is 1.96 mol of NaHCO3, the total heat of reaction is 253.02 kJ

Explanation:

please mark me as brainlest

Answer:

but iron is 2 and 3 by its valance how could it be possible

Answer: The rate constant is the reaction rate divided by the concentration terms.

Answer:

FeF3 is a molecule. In it there are 3 atoms of F and one of Fe.

Explanation:

STEP 1- Take two iron nails.

STEP 2- Clean it with sand paper.

STEP 3- Wrap copper wire around both the nails. And connect the other end to the battery terminal.

STEP 4- Take water in beaker and little amount of salt in it or a few drpos of sulphuric acid in it.

STEP 5- Immerse the nails in the solution.

STEP 6- Observe the nails carefully. You can see bubbles of gases coming out from water near nails.

When, electeric current is passed through water gases like hydrogen and oxygen are evolved.

2.Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat (ignition temperature) to start and continue the combustion process.

When iron is placed in Copper sulphate solution, the iron is coated with a brown coloured substance "copper" and CuSo4 solution changes from blue to light green. This is due to iron displaces copper as it is more reactive than copper.

Answer:

A computer is made up of wires which is like nerves in our body they send signals throughout our bodies and tell us what to do about a situation. The hard drive of a computer is just like our brain which is the main component of the nervous system it controls involuntary, voluntary, movement and coordination. Also, just like the keys and mouse of a computer we have sensory neurons which pick up what is around us by touch.

Explanation:

Answer:

The symbol is a triangle

Explanation:

cuz it is

Answer: 0.078 (this answer is rounded to three significant figures)

Explanation: to find the number of moles, we must divide by Avogadro’s number, which is 6.022 multiplied by 10 to the 23rd power.

The unstable type of hemoglobin that cannot bind with oxygen is called Methemoglobin.

What is Hemoglobin?

Hemoglobin (Hb) is an oxygen-carrying protein present in the erythrocytes (red blood cells) that gives the cells their characteristic red color.

The primary function of hemoglobin is to transport oxygen (O2) from the lungs to the cells of the body's tissues and organs and carry carbon dioxide (CO2) back to the lungs to be exhaled.

There are several types of hemoglobin, which include fetal hemoglobin (HbF), adult hemoglobin (HbA), and abnormal hemoglobin.

The types of hemoglobin are based on their subunit composition and their oxygen binding properties.

Abnormal hemoglobin is hemoglobin with a change in its amino acid sequence, which changes its structural and functional properties.

The various types of abnormal hemoglobin include sickle cell hemoglobin (HbS), hemoglobin C (HbC), hemoglobin E (HbE), and met-hemoglobin (MetHb).

Methemoglobin is an unstable form of hemoglobin caused by a defect in the oxygen-binding site of the heme iron. Methemoglobin cannot bind to oxygen as effectively as normal hemoglobin.

Therefore, it cannot release oxygen to the body's tissues and organs, leading to tissue hypoxia (oxygen deprivation). This condition is called Methemoglobinemia.

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option of d is the write answer

Answer:

I would say A

hope this is right

Answer:

Here is the definition: A medical thermometer (also called clinical thermometer) is used for measuring human or animal body temperature.

The melting point of 4-cyclohexene-cis-1,2-dicarboxylic anhydride (often abbreviated as "4-cylohexene-1,2-dicarboxylic anhydride") is approximately 102-103 °C.

The typical definition of the melting point is the temperature at which a substance transforms from a solid to a liquid. The melting point of a liquid is the temperature at which the liquid transforms from a solid to a liquid under atmospheric pressure. This is the location where the liquid and solid phases are equally present.

The temperature at which molecules in a solid can pass one another and transform into a liquid is known as the melting point. On the other hand, liquids and gases are involved in the boiling point.

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Ketoses such as fructose are expected to give a positive Tollens test because of their ability to reduce Tollens' reagent.

The Tollens test is a chemical reaction used to test for the presence of aldehydes. The test is named after the German chemist Bernhard Tollens. The Tollens reagent is a solution of ammoniacal silver nitrate, Ag(NH3)2NO3. The test is based on the fact that aldehydes are readily oxidized to carboxylic acids by a solution of silver nitrate in ammonia.

This reaction is exothermic and produces a silver mirror on the inside of the test tube.The test solution is prepared by adding a few drops of a solution of Tollens' reagent to the substance being tested. The test solution is then heated in a water bath for a few minutes.

If the substance being tested is an aldehyde, it will reduce the silver ions in the Tollens' reagent to metallic silver. The metallic silver will form a mirror on the inside of the test tube. If the substance being tested is not an aldehyde, no mirror will form.The aldehydes are more easily oxidized than the ketoses.

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Answer:

347.4 (19.3 mole)

Explanation:

CH4 + 2O2 = CO2 + 2H2O

1(mole) - 9.65(mole)

2(mole) - x ⇒x = 9.65*2=19.3

m=n*M ⇒ m= 19.3*(1*2+16)= 19.3*18=347.4(g)

Answer: the first one is work and the second one is energy

Explanation:

Answer:

first :work second:energy

Explanation:

Answer:

.45g

Explanation:

Do not forget to add the unit at the end, grams(g).

The final temperature of the coffee in the thermos will be a result of the heat transfer between the coffee and the melting ice cubes.

When the ice cubes are dropped into the thermos containing coffee, heat transfer occurs between the two substances until they reach thermal equilibrium. The heat transfer process involves the transfer of heat from the coffee to the ice cubes, causing them to melt.

To calculate the final temperature, we can use the principle of conservation of energy. The heat gained by the ice cubes equals the heat lost by the coffee.

First, let's calculate the heat gained by the ice cubes. The specific heat capacity of ice is approximately 2.09 J/g°C. Since each ice cube weighs 11 g and starts at 0°C, the heat gained by the ice cubes is:

Q_ice = (mass_ice) x (specific heat capacity_ice) x (change in temperature)

= (11 g) x (2.09 J/g°C) x (final temperature - 0°C)

Next, let's calculate the heat lost by the coffee. The specific heat capacity of coffee is assumed to be the same as water, which is approximately 4.18 J/g°C. The initial temperature of the coffee is 85°C, and its volume is 150 cm³. Using the density of water (1 g/cm³), we can find the mass of the coffee

mass_coffee = (density_water) x (volume_coffee)

= (1 g/cm³) x (150 cm³)

Q_coffee = (mass_coffee) x (specific heat capacity_coffee) x (final temperature - 85°C)

Since the heat gained by the ice cubes is equal to the heat lost by the coffee, we can set up the equation:

Q_ice = Q_coffee

Substituting the respective values and solving the equation will give us the final temperature of the coffee.

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A balanced equation obey the law of conservation of mass, the mass can neither be converted nor  be destroyed but can converted from one form to another. Here the given reaction indicates Haber process.

The ratio of the product of concentrations of the products to that of the reactants is also known as the concentration quotient and it is denoted as Q. At equilibrium Q becomes equal to the equilibrium constant.

The Haber process is:

N₂ + 3H₂ → 2NH₃

Q = [NH₃]² / [N₂] [H₂]³

Q = [0.0596]² / [0.600] [0.420]

Q = 0.014

Here Q is less than K, so the reaction proceeds in the forward direction.

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The freezing point of a solution is -1.16°C

Calculation,

The equation which give relation between freezing point depletion and molality is,

Δ\(T_{f} = K_{f} .m\)      ... (i)

Moles of the solute = 22.0 g / 114.23 g/mole = 0.193 mole

Mass of the solvent in g = 148 g

Mass of the solvent in kg = 0.148 kg

Molality = 0.193 mole/ 0.148 kg = 1.3 m

Now, after putting the value of  \(K_{f}\) and m in equation (i) we get

Δ\(T_{f} = K_{f} .m\)  

Δ\(T_{f}\)= 5.12°C/m×1.3 m = 6.66°C

Δ\(T_{f}\)=  \(T_{f}\) (solvent) - \(T_{f}\) (solution)

\(T_{f}\) (solution) = \(T_{f}\) (solvent)  -Δ\(T_{f}\)= 5.5 °C - 6.66°C = -1.16°C

The freezing point of a is -1.16°C

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Answer:

313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 molar solution.

Explanation:

What is molarity?

According to the given question,

Solution :

∴ Number of moles of solute, here, \({K_{2} }S O_{4}\)

= molarity x volume of the solution

= 1.20 x  1.50 = 1.8

∴ Mass of 1.8 moles of \({K_{2} }S O_{4}\) = 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

Now the molar mass of \(K_{2} SO_{4}\)

= (Gram atomic mass of K x 2) + (Gram atomic mass of S) + (Gram atomic mass of O x 4)

= (39x2) + 32 + (16 x 4) g

= 174 g.

∴ Mass of 1.5 moles of \({K_{2} }S O_{4}\)

= 1.8 x molar mass of   \({K_{2} }S O_{4}\)  

= 1.8 x 174 g

= 313.2 g.

Thus, 313.2 g of \({K_{2} }S O_{4}\)  must be added to 1.20 liters of water to produce a 1.50 M solution.

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C Cl is a covalently bonded compound with the formula CCl₄. MgCl is an ionic compound with the formula MgCl₂.

The formation of a chemical bond between two or more atoms, ions or molecules to form a chemical compound is known as chemical bonding. The chemical bonding makes sure the atoms are together in the resulting compound.

Chemical bonding is made possible by an attractive force resulting from the overall loss of energy in the resultant molecule compared to its constituents.

Chemical compounds depend on chemical bonding for their stability. There are various kinds of chemical bonds formed. Covalent bonds and ionic bonds are 2 of the most commonly known chemical bonds.

Covalent bonds are formed by the sharing of electrons and an ionic bond is formed by the electrostatic force of attraction between the atoms.

Therefore, in the given examples, C Cl is a covalently bonded compound with the formula CCl₄. MgCl is an ionic compound with the formula MgCl₂.

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The bond of the following atoms in C-Cl and Mg-Cl is polar covalent bond in C-Cl  and  Mg-Cl ionic bond.

Polar covalent bonds are created between two non-metal atoms or molecules  that do consist of different  electronegativity. and the electronegativity difference that is not equal to zero and the shared pair of electrons forming a bond between will always be towards the high electronegative atom.

An ionic bond the  complete sharing or the  electron transfer. Ionic bonds basically form or created when the difference in the electronegativity of the two atoms is great or more as compare to   covalent bonds form when the electronegativity is same.

Therefore,  bond of the following atoms in C-Cl and Mg-Cl is polar covalent bond in C-Cl  and  Mg-Cl ionic bond.

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Answer:

boiling it

Explanation:

the most simple way to purify water both at home and in the wild, is by boiling in kettle or if you are in the wilderness simply by boiling it over a fire.

One of the ways to purify water is by filtration.

What is filtration process?

Filtration is a physical separation procedure that uses a filter material with a complicated structure through which only fluid can flow to separate solid matter and fluid from a mixture. Oversize solid particles are those that cannot pass through the filter medium, and the fluid that does is known as the filtrate. Oversize particles can form a filter cake on top of the filter and also block the filter lattice, preventing the fluid phase from passing through the filter, a process known as blinding. The effective pore size of a filter is the size of the biggest particles that can successfully pass through it.

Water can be purified by the process of filtration.

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The key differences between the Articles of Confederation and the U.S Constitution is the article of confederation is sovereignty in states and the constitution  is expand the governments authority.

The document created the better system of government for the new nation is the US constitution.

The Article of confederation , the state have stronger power than the central power and in the US constitution , the power of central government is stronger than the states. The important development was the establishment of three departments. There are three departments of government that is legislative , executive and judicial.

Thus, The key differences between the Articles of Confederation and the U.S. Constitution is the article of confederation is sovereignty in states and the constitution  is expand the governments authority.

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Answer:

longwaves or solar radiation

Answer:

Solar Radiation

Explanation:

There could actually be different ways to say this anwser. This was just how I leaned It In school! :)

Answer:

14 elements.

Explanation:

B

boron

C

carbon

F

fluorine

H

hydrogen

I

iodine

N

nitrogen

O

oxygen

P

phosphorus

K

potassium

S

sulfur

W

tungsten

U

uranium

V

vanadium

Y

yttrium