Gasoline is combusted in a standard engine as shown in the diagram and reaction above . Calculate the theoretical yield of CO2 from completely burning 10.0 g of gasoline (C8H18)

Answer:

A Bose-Einstein condensate or BEC in simple words is a group of atoms cooled near absolute zero.

Answer:

From solutions that evaporate

From hot water solutions when the solution cools

Explanation:

The substances that can form minerals can be dissolved in the water to form a solution. Solution can be described as as a mixture in which a solute is dissolved in a solvent. When a particular dissolved solute evaporates from the solution, crystals of minerals might form. The mineral halite was formed when seas evaporated over a period of time.

The minerals can also be formed when a hot water solution gets cooled.

Answer:

The metals are on the bottom left in the periodic table, and the nonmetals are at the top right. The semimetals lie along a diagonal line separating the metals and nonmetals. The elements are arranged in a periodic table, which is probably the single most important learning aid in chemistry.

Explanation:

im not sure if there was supposed to options to that question or not

Answer:

100

Explanation:

Answer:

resources that you can use more than 1 time like rechargeable battery or solar energy

Explanation:

Answer:

Electronegativity refers to the ability of an atom to attract shared electrons in a covalent bond. The higher the value of the electronegativity, the more strongly that element attracts the shared electrons.

Your welcome

Answer:

See explanation.

Explanation:

Density is equal to mass divided by volume.

You can find the mass of the rock using the triple beam balance.

You can find the volume of the rock by pouring water from the beaker into the graduated cylinder, and seeing how much the volume of water in the cylinder changes. This change is the volume of the rock. For example, if you pour 50mL into the cylinder, add the rock, and see the new volume is 53mL, then the rock has a volume of 3mL or 3cm^3 (because one milliliter is equal to one cubic centimeter).

Then, divide the mass of the rock by the volume of the rock.

Answer:

A. V2=P1V1/P2

Explanation:

Robert Boyle law stated that pressure of a particular quantity of basis inversely varies with respect to the volume provided that the temperature is constant. It is expressed as

PiV1 = P2V2,

Where

V2= final volume

V1= initial volume

P1= initial pressure

P2= final pressure

Making V2 subject of formula we have

V2=P1V1/P2

Answer:

less

Explanation:

the more heat it has, the less a given heat will affect it

Answer:

more heat

Explanation:

Answer:

Charles Darwin

Explanation:

Charles Darwin is more famous than his contemporary Alfred Russel Wallace who also developed the theory of evolution by natural selection. scientist who studies living organisms.J

Answer:

Charles Darwin

Explanation:

He was the one who created the theory of evolution by natural selection along with the co-discoverer Alfred Wallace in 1858.

I just did this topic like a few weeks ago.

Answer:

Three ways that I would make most of this situation are going near an area to avoid the things drifting into space. I would seek shelter in a basement. I would also stay indoors.

Earth's atmosphere and its oceans, rivers, and lakes would be one of the first things to drift away into space, we would need to avoid those obstacles by seeking shelter. The first problem is that Earth is rotating at high speed, rather like the way a weight on a string rotates if you spin it around your head. Anyone unfortunate enough to be outside at the time would quickly be lost. People inside buildings would be safer because most buildings are so firmly rooted to the ground that they would stay put even without gravity – at least for a while.

Gravity is the universal force that attracts matter. If there is less gravity, then the objects on the Earth will become weightless.

Gravity or the gravitational force is the fundamental force present in the universe that keeps the matter attracted to each other. It plays a major role in the rotation of the earth around the sun and keeps the atmosphere of the planet balanced.

In case of no gravity, the objects will become weightless and will start to float, and Earth will stop rotating and will collide with the sun. Also, the moon will collide with the earth and the objects will perish in the universe.

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Answer:

where is the question?

Explanation:

The given question is incomplete. The complete question is:

When 136 g of glycine are dissolved in 950 g of a certain mystery liquid X, the freezing point of the solution is 8.2C lower than the freezing point of pure X. On the other hand, when 136 g of sodium chloride are dissolved in the same mass of X, the freezing point of the solution is 20.0C lower than the freezing point of pure X. Calculate the van't Hoff factor for sodium chloride in X.

Answer: The vant hoff factor for sodium chloride in X is 1.9

Explanation:

Depression in freezing point is given by:

[tex]\Delta T_f=i\times K_f\times m[/tex]

[tex]\Delta T_f=T_f^0-T_f=8.2^0C[/tex] = Depression in freezing point

[tex]K_f[/tex] = freezing point constant

i = vant hoff factor = 1 ( for non electrolyte)

m= molality =[tex]\frac{136g\times 1000}{950g\times 75.07g/mol}=1.9[/tex]

[tex]8.2^0C=1\times K_f\times 1.9[/tex]

[tex]K_f=4.32^0C/m[/tex]

Now Depression in freezing point for sodium chloride is given by:

[tex]\Delta T_f=i\times K_f\times m[/tex]

[tex]\Delta T_f=20.0^0C[/tex] = Depression in freezing point

[tex]K_f[/tex] = freezing point constant  

m= molality = [tex]\frac{136g\times 1000}{950g\times 58.5g/mol}=2.45[/tex]

[tex]20.0^0C=i\times 4.32^0C\times 2.45[/tex]

[tex]i=1.9[/tex]

Thus vant hoff factor for sodium chloride in X is 1.9

Answer: potential energy is stored

Explanation:

Answer:

.315mol CsI

Explanation:

CsI has a molar mass of 260 g/mol. This means that one mole of cesium iodide has a mass of 260 grams. We can use stoichiometry/dimensional analysis to figure out how many moles is equal to 82 grams.

[tex]82.0g CsI (\frac{1 mole}{260g} ) = .315mol CsI[/tex]

Answer:

a. NH3

b.

c. NaCl

d.

e. HCl

f.

Answer:

33

Explanation: first change the temperature in degree celcius to kelvin by adding 273 to 215 which makes 488 then input value into the formula pv=nrt p*75=62*0.08206*488 then divide both sides by 75 you get 33

The pressure of gas in the atmosphere is equal to 33.1 atm.

The ideal gas law can be described as an equation of the state of a hypothetical ideal gas. This law states that the multiplication of the volume and pressure of one gram molecule of an ideal gas is equal to the product of the gas constant and absolute temperature.

The mathematical equation of the ideal gas law can be written as:

PV = nRT

where V is the volume, P is the pressure, n is the amount of substance and R is the gas constant.

Given the volume of the gas, V = 71 L

The number of moles of gas, n = 62

The temperature, T = 215 °C = 273 + 215 = 488 K

The value of the universal gas constant, R = 0.082 atm L/K mol

After substituting the all values in the ideal gas equation, we get:

P × 71 = 62 × 0.082 × 488

P = 33.1 atm

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Answer:

The number of protons determines an element's atomic number and is used to distinguish one element from another. The number of neutrons is variable, resulting in isotopes, which are different forms of the same atom that vary only in the number of neutrons they possess.

Answer:

we can't see the diagram

Answer:

Wet climates obviously have more water than driers climates. Metals, when subject to water have the tendency to oxidize rust. Therefore, if water is barely present in a climate, then oxidation is also least likely to occur.

Explanation:

Learnt it from reading a book

Answer:

[tex]m_{CO_2}=1.27gCO_2[/tex]

Explanation:

Hello!

In this case, since the combustion of butane is shown below:

[tex]C_4H_{10}+\frac{13}{2} O_2\rightarrow 4CO_2+5H_2O[/tex]

We can evidence the 1:4 and 13/2:4 mole ratio of butane to carbon dioxide and oxygen to carbon dioxide respectively. Thus, in order to compute the maximum amount of carbon dioxide produced in this reaction, we set up the following stoichiometric work:

[tex]m_{CO_2}^{by\ C_4H_{10}}=4.00gC_4H_{10}*\frac{1molC_4H_{10}}{58.12gC_4H_{10}}*\frac{4molCO_2}{1molC_4H_{10}}*\frac{44.01gCO_2}{1molCO_2}=12.11gCO_2\\\\ m_{CO_2}^{by\ O_2}=1.50gO_2*\frac{1molO_2}{32gO_2}*\frac{4molCO_2}{13/2molO_2}*\frac{44.01gCO_2}{1molCO_2}=1.27gCO_2[/tex]

Thus, since oxygen yields the fewest amount of carbon dioxide, we infer the former is the limiting reactant and therefore the maximum amount of carbon dioxide product is 1.27 g.

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Answer:

the second one filter for dissolved

Explanation:

Answer:

They filter the water for dissolved oxygen.

Explanation:

just took test

Answer:

C

Explanation:

Answer:

c

Explanation:

I think it is c because the tep. will change and the volume will change.