module 16 exam 4 fos3042 carbonated beverages are infused with nitrogen gas carbon dioxide gas oxygen gas carbon monoxide gas

We can see here that the best fuel is the one that produces the most heat per unit mass. In this case, the fuel that produces the most heat per unit mass is methanol.

Fuel is a substance that is used to produce energy through combustion or other chemical reactions. It is commonly utilized to power various forms of transportation, generate heat or electricity, and operate machinery and appliances.

The results of the experiment are shown below:

Fuel            Mass (g)      Heat produced (J)       Heat per gram (J/g)

Methanol 1.0                          350                   350

Ethanol         1.0                          250                   250

Propane         1.0                          200                   200

Butane         1.0                          150                            150

Pentane         1.0                          100                            100

It is important to note that the results of this experiment are only a measure of the heat produced by the fuels.

Learn more about fuel on https://brainly.com/question/10172005

#SPJ1

Answer:

Explanation:

그것은 당신의 교육에 도움이 되기를 바랍니다

Water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid.When the sun's radiant energy hits the Earth's oceans, it causes the water molecules to absorb this energy and become more energized.

This leads to the water molecules breaking apart and transforming into water vapor, which is a gaseous state of water. Water vapor has a specific form of energy known as latent heat. This is the energy required to change the physical state of water from a liquid to a gas or from a gas to a liquid. The process of converting water into water vapor requires energy, and this energy is stored in the water vapor in the form of latent heat.

The amount of latent heat absorbed or released by water vapor is dependent on the temperature and pressure conditions. When the water vapor condenses back into liquid form, this latent heat is released into the atmosphere. This process plays a critical role in weather and climate patterns as it drives the movement of heat and moisture throughout the Earth's atmosphere.

In summary, water vapor has latent heat energy, which is absorbed or released during the process of changing states from liquid to gas or gas to liquid. This energy plays a vital role in the Earth's weather patterns and is a critical component of the Earth's energy balance.

For more such questions on heat energy

https://brainly.com/question/934320

#SPJ11

Answer:

Find the mass of 1 mole.

mass of

1

mole of

131.39

g

m

o

l

C

2

H

C

I

⋅

3

=

37.04000067

g

Explanation:

hope it helps make brainlliest ty

Explanation:

Can you edit your question and get a better pic because I cant see anything. Its blurry.

Answer:

answer is first one 1 will be less then that of hg coloumn

Answer:

A chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds.

Explanation:

The bond may result from the electrostatic force of attraction between oppositely charged ions as in ionic bonds or through the sharing of electrons as in covalent bonds.

An example of heterogeneous equilibrium is:

Heterogeneous equilibrium refers to an equilibrium state in a chemical reaction where the reactants and products exist in different physical states or phases. It occurs when substances in different phases, such as solids, liquids, and gases, are involved in a chemical reaction.

Considering the given equations:

The equation I: FeO(s) + CO(g) ⇌ Fe(s) + CO₂(g) represents a heterogeneous equilibrium.

This is because the reactants and products involve different phases (solid and gas). FeO is a solid (s), CO is a gas (g), Fe is a solid (s), and CO₂ is a gas (g). The reaction involves the conversion of a solid and a gas to another solid and a gas, and the equilibrium is established between these different phases.

Learn more about heterogenous equilibrium at: https://brainly.com/question/25257772

#SPJ1

The process of catalysis  which involves adding a catalyst  to a chemical reaction, increases the rate of the reaction.

Thus, Catalysts are not destroyed during the reaction and are unaffected by it. Very tiny amounts of catalyst are frequently sufficient when the reaction is swift and the catalyst recycles quickly; mixing, surface area, and temperature are key factors in reaction rate.

In order to regenerate the catalyst, it usually reacts with one or more reactants to produce intermediates that then give off the ultimate reaction product.

Homogeneous catalysis, in which all of the components are dispersed in the same phase as the reactant (often a gas or liquid), and heterogeneous catalysis, in which the components are not.

Thus, The process of catalysis  which involves adding a catalyst  to a chemical reaction, increases the rate of the reaction.

Learn more about Catalyst, refer to the link:

https://brainly.com/question/24430084?

#SPJ1

The Mass percent composition of F - in NaF is 45.25% .

2.323 g must be added to 1500 L of water to fluoridate it at a level of 0.7 mg.

Mass percent composition describes the relative quantities of elements in a chemical compound.

The given data is:

Volume of water = 1500 L

Amount of F- ion = 0.7 mg/L

Atomic weight of F = 19 g/mol

Number of  moles of F- in 1 L of water = 0.7 x 10⁻³ g/19 g mol⁻¹ = 3.684x 10⁻⁵ moles

Therefore, the number of moles of F- in 1500 L of water = 3.684 x 10⁻⁵  x  1500 = 0.0553 moles

1 mole of NaF has 1 mole of Na+ and 1 mole of F-

hence, the number moles of NaF required = 0.0553 moles

Molar mass of NaF = 23 +19 = 42 g/mol

Mass of NaF required = 0.0553 moles x 42 g/mol = 2.323 g

Learn more about  Mass percent composition at: https://brainly.com/question/26150306

#SPJ1

The concept molarity is used here to determine the pH after adding 12.6 mL of the base. The term molarity is an important method which is used to calculate the concentration of a solution. Here the pH is 1.23.

The term molarity is defined as the number of moles of the solute dissolved per litre of the solution. It is also called the molar concentration. It is represented as 'M' and its unit is mol / L.

Molarity is given as:

M = Number of moles / Volume of solution in liters

'n' of HCN = 20.2 × 1 L / 1000 mL × 0.382 = 0.0077 mol

'n' of Ba(OH)₂ = 13.7 × 1L / 1000 mL × 0.421 = 0.0057 mol

Excess H⁺ = 0.002

Total volume = 20.2 + 13.7 = 33.9 mL = 0.0339 L

Concentration of H⁺ = 0.002 / 0.0339 = 0.058

So pH is:

pH = - log[H⁺]

pH = - log[ 0.058] = 1.23

To know more about pH, visit;

brainly.com/question/27945512

#SPJ1

Answer:

1.23 x 104 L = 0.12792 m3

Explanation:

!!!!!!!!!!

85.4 g/mol s the molar mass of a pure gaseous compound having a density of 4.95 g/L at -35⁰C and 1020 mm Hg.

The mass in grammes of one mole of a chemical is its molar mass. A mole is the measurement of the number of things, such as atoms, molecules, and ions, that are present in a material. Every material has 6.022 x 10²³ molecules in a mole.

ρ = 4.95 g/L = 4.95 kg/m³, the density

T = -35°C = -32+273 K = 238 K, the temperature

The ideal gas law is

p = ρ*(R/M)*T

where

R = 8.314 J/(mol-K), the gas constant

M = molar mass, kg/mol

The molar mass is

M = ρRT / P

M = (4.95 kg/m³) * 8.314 J/(mol-K) * (238 K) / 1.1467 * 10⁵ Pa

M = 0.0854

The molar mass is 0.0854 kg/mol = 85.4 g/mol

To know more about Molar mass visit:

https://brainly.com/question/22997914

#SPJ1

Answer:

c

Explanation:

soil will stay cooler

Answer:

probably the last one should hbthrbwhdee.

Answer:

it brings oxygen into the blood and removes carbon dioxide

Explanation:

Explanation:

The animals and plants eventually die. Decomposers break down the dead organisms and return the carbon in their bodies to the atmosphere as carbon dioxide by respiration. In some conditions, decomposition is blocked. The plant and animal material may then be available as fossil fuel in the future for combustion.

Mn(s) metal will spontaneously react with Zn²⁺(aq), but will not

spontaneously react with Mg²⁺ (aq)

The Eo value of an electrochemical cell determines its spontaneity. Positive Eo electrochemical cells are spontaneous, and vice versa.

The relevant Eo of the half-cell in this instance are as follows for Mn(s) metal

Zn2+/Zn = -0.763v for Eo

2.37v for Eo Mg2+/Mg.

Mn2+/Mn = -1.18v for Eo.

Consequently, the equation for an Eo cell (with Zn as one of the half-cells) is: Eo Zn2+/Zn - Eo Mn2+/Mn = -0.763 - (-1.18) = 0.417v.

On the other hand, the equation for an Eo cell (with Mg as one of the half-cells) is: Eo Mg2+/Zn - Eo Mn2+/Mn = -2.37 - (-1.18) = -1.19v.

As a result, Mn(s) metal will spontaneously react with Zn2+(aq), but not with Mg2+ (aq)

To learn more about Mn(s) metal please visit -
https://brainly.com/question/13153267
#SPJ1

If an equation includes 7(CrO₄)₂, the numbers of Cr's and O's atoms that are there are 14 and 56 respectively.

The number of atoms present in a chemical compound can be calculated by multiplying the subscript of the particular element by any coefficient.

According to this question, 7 moles of chromate with the chemical formula; (CrO₄)₂ is given. The number of oxygen and chromium atoms in this compound can be calculated as follows:

Learn more about no of atoms at: https://brainly.com/question/14190064

#SPJ1

Answer:

CH3OH(l) + 3 2 O2(g) → CO2(g) + 2 H2O(l

Explanation:

.

Answer:

European Union was on grand committee

Answer:

European Union

Explanation:

hehe

The solubility of many substances increases with temperature, there are exceptions. Some substances exhibit a decrease in solubility with temperature due to specific interactions or changes in solute-solvent interactions at higher temperatures.

The increase in solubility of many substances with temperature can be attributed to the effect of temperature on the kinetic energy and intermolecular interactions of molecules.

On a microscopic scale, an increase in temperature corresponds to an increase in the kinetic energy of molecules. As the kinetic energy increases, the molecules move more rapidly and collide with each other and with the solvent molecules more frequently and with greater force.

These increased collisions and kinetic energy result in enhanced molecular interactions and overcome the forces holding the solute particles together. This increased energy disrupts the intermolecular forces within the solute, allowing the solvent molecules to surround and interact more effectively with the solute particles, leading to greater solubility.

Additionally, an increase in temperature can cause solvent molecules to move more freely, reducing their cohesion and allowing them to interact more readily with solute particles.

for more questions on  solubility

https://brainly.com/question/24057916

#SPJ8

Answer:

4.5 J wasted

Explanation:

10 % efficient means 90% wasted

90% of 5 J   =  .9 *5 = 4.5 J

Answer:

Amide

Explanation:

O=NH2 is the Amide group versus NH2, which is the amine group.

Answer:

Butamide

Explanation:

C3H7-C(=O)-NH2 IUPAC NAME

C4H9NO

     H   H   H

H - C - C - C - C = O

     H   H   H   N - H

                      H

But amide

Amide because R-CO-NH2 ie C(=O)-NH2

But because 4 Cabon

The question requires us to determine the molecular mass of the compound thorium sulfate (Th(SO4)2), considering the atomic masses to the tenth of a gram.

The atomic masses of the elements present in the molecule given are:

Th: 232.0 u

S: 32.1 u

O: 16.0 u

To obtain the molecular mass of the compound, we must consider the number of atoms of each element: there are 8 oxygen (O) atoms, 2 sulfur (S) atoms and 1 thorium (Th) atom, therefore we calculate the mass as:

molecular mass Th(SO4)2 = (1 * 232.0) + (2 * 32.1) + (8 * 16.0) = 424.2 g/mol

Therefore, the molecular mass of Th(SO4)2 is 424.2 g/mol.

Answer:

1. The molar mass of copper is 63.55 g/mol. To find the number of moles of copper in 5.00 grams, we divide the given mass by the molar mass:

5.00 g Cu / (63.55 g/mol Cu) = 0.0787 mol Cu

Therefore, there are 0.0787 moles of copper in 5.00 grams of copper wire.

2. The molar mass of glycine (C2H5O2N) is:

12.01 g/mol (C) + 1.01 g/mol (H) x 5 + 16.00 g/mol (O) x 2 + 14.01 g/mol (N) = 75.07 g/mol

To find the number of moles of glycine in 28.35 grams, we divide the given mass by the molar mass:

28.35 g glycine / (75.07 g/mol glycine) = 0.377 mol glycine

Therefore, there are 0.377 moles of glycine molecules in 28.35 grams of glycine.

3. a. To find the mass of 1.42 x 10^-4 mol of vitamin C, we multiply the molar mass of vitamin C (176.12 g/mol) by the number of moles:

1.42 x 10^-4 mol x 176.12 g/mol = 0.0248 g

Therefore, the mass of the recommended daily dietary allowance of vitamin C for children aged 4-8 years is 0.0248 grams.

b. The molecular formula of vitamin C is C6H8O6, so there are 6 moles of carbon for every mole of vitamin C. Therefore, there are:

1.42 x 10^-4 mol x 6 = 8.52 x 10^-4 mol of carbon

in 1.42 x 10^-4 mol of C6H8O6.

4. To rank the following from lowest number of particles to highest, we need to compare the number of particles in each of the given amounts.

2.3 mol H2O: 2.3 mol x 6.022 x 10^23 molecules/mol = 1.39 x 10^24 molecules of H2O

3.5 mol H2: 3.5 mol x 6.022 x 10^23 molecules/mol = 2.11 x 10^24 molecules of H2

0.50 mol C100H202: 0.50 mol x 6.022 x 10^23 molecules/mol = 3.01 x 10^23 molecules of C100H202

Therefore, the ranking from lowest to highest number of particles is:

0.50 mol C100H202 < 2.3 mol H2O < 3.5 mol H2.

The reasoning is based on the Avogadro's number which represents the number of particles in one mole of a substance, which is equal to 6.022 x 10^23. The substance with the smallest number of moles has the smallest number of particles, and the substance with the largest number of moles has the largest number of particles.

Answer:

Sedimentary

Explanation:

Answer:

399.80 atm

Explanation:

Since there are 101.3 kPa per every 1 atm, you need to divide the given number by 101.3 to convert the pressure from kPa to atm.

1 atm = 101.3 kPa

 40500. kPa               1 atm
---------------------  x  --------------------  = 399.80 atm
                                 101.3 kPa

Answer:

yes i do 980

Explanation:

i899 1/2