Use the balanced equation from #13 to answer the following:

Calculate how many moles of SO2 can be produced with when given 75 grams of CS2.


Now calculate how many moles of SO2 can be produced with when given 96 grams of O2.




Which one is the limiting reactant (75 grams of CS2 or 96 grams of O2)? How do you know?

Answer:

When light waves strike a medium and are neither reflected or refracted, nor are they allowed to pass through.

Explanation:

Answer: 0.071 moles of excess reactant [tex](O_2)[/tex] will be left over.

Explanation:

To calculate the moles, we use the equation:

[tex]\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}[/tex]

a) moles of [tex]NO[/tex]

[tex]\text{Number of moles}=\frac{21.6g}{30.01g/mol}=0.720moles[/tex]

b) moles of [tex]O_2[/tex]

[tex]\text{Number of moles}=\frac{13.8g}{32g/mol}=0.431moles[/tex]

[tex]2NO(g)+O_2(g)\rightarrow 2NO_2(g)[/tex]

According to stoichiometry :

2 moles of [tex]NO[/tex] require 1 mole of [tex]O_2[/tex]

Thus 0.720 moles of  [tex]NO[/tex] require=[tex]\frac{1}{2}\times 0.720=0.360moles[/tex] of [tex]O_2[/tex]

Thus [tex]NO[/tex] is the limiting reagent as it limits the formation of product and [tex]O_2[/tex] is the excess regaent.

moles of [tex]O_2[/tex] left = (0.431-0.360) = 0.071 moles

Answer:

remote

Explanation:

i hope it helps

Answer: if pressure rises in closed vessel and temperature is low enough,

Gas may condense to liquid state

Typically, this happens when we raise the pressure at room temperature, but there are other situations that aren't covered, including lowering the temperature at room pressure.

Temperature is defined as a measurement of an object or substance's warmth or coldness in relation to a standard value.  As opposed to extensive characteristics, like mass or volume, temperature is referred to as an intense property—one that is independent of the quantity of matter being considered—along with pressure, density, and other comparable properties.

If the temperature is low enough and pressure rises in a closed vessel, A gas can turn into a liquid form.

Thus, typically, this happens when we raise the pressure at room temperature, but there are other situations that aren't covered, including lowering the temperature at room pressure.

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As the blades rotate, they experience frictional forces as they `rub' against the air; this knocks electrons around, causing the blades to build up a net charge. The charged dust particles then stick to the charged areas of the blades. "The leading edge of the blades usually develops the thickest layer of dust.

To solve this we must be knowing each and every concept related to dust. Therefore,  frictional forces allow the ceiling fan´s blade to collect dust so quickly.

Dust stirred up by automobiles on the road may account for 33% overall air pollution. Deposits of vehicle or commercial exhaust gas, particles through tire and braking wear, dust from paved streets or potholes, plus dust from building sites all contribute to road dust.

As the blades revolve, frictional forces cause them to 'rub' against the air, knocking electrons around and allowing the blades to accumulate a net charge. The electrified dust particles are subsequently attracted to the charged portions of the blades. Typically, the sharp end of the blades creates the heaviest coating of dust.

Therefore,  frictional forces allow the ceiling fan´s blade to collect dust so quickly.

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Answer:

Arrhenius Base

Explanation:

"NaOH is an Arrhenius base because it dissociates in water to give the hydroxide (OH-) and sodium (Na+) ions. An Arrhenius acid is therefore any substance that ionizes when it dissolves in water to give the H+, or hydrogen, ion. ... Acids provide the H+ ion; bases provide the OH- ion; and these ions combine to form water."

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Answer:

Explanation:

u need to go to the Greenhouse Effect Simulation (link is in ur Q).

open it and select the Greenhouse effect tab.  Note that the concentration of various atmospheric gases during past eras can be determined by looking at gases trapped in ancient ice, such as that found in Antarctica.

On the right hand side panel of the simulation, under “Atmosphere during,” you can select Today, 1750, and Ice Age as historic time periods.

run simulations n collect the gas composition data.

Answer:

Explanation:

The question provides a link to the Greenhouse Effect Simulation. Results are from that:

Time Period         H2O %RH     CO2 ppm      CH4 ppm           N2O ppm

Today 58F            70%                338ppm       1843ppm             0.317ppm

1750 58F              70%                 280ppm      0.730ppm            0.270ppm

Ice Age 36F          ?                      180ppm       380ppm               0.215ppm

Answer:

1. Ag2CO3

2.Ba3(PO4)2

3. Cu(OH)2

4. AL

Explanation:

Answer:

Fossils of the plant are abundant right up until the present day. Fossils of the plant appear in recent rock layers but not in older ones.

Explanation:

yay

The spectator ions would be the ions that don't comprise the precipitate in this reaction. You have four ionic species here: Pb²⁺, NO₃⁻, H⁺, and SO₄²⁻. Since Pb²⁺ and SO₄²⁻ combine, as you are told, to form the precipitate, that leaves H⁺ and NO₃⁻ (or, in normal text, H+ and NO3-) to be the spectator ions.

Edit: NO3- might be interpreted ambiguously since it's not immediately clear that the NO3 is a polyatomic ion with a -1 charge and not an NO compound with a 3- charge, so it should be written as [NO3]- or (NO3)-.

The net ionic reaction shows the reaction without the spectator ions. In this case, that would be: Pb²⁺(aq) + SO₄²⁻(aq) → PbSO₄(s).

Answer:

i.e. mass of 1 mole of glucose, C6H12O6 = (6 × 12.01 + 12 × 1.01 + 6 × 16.00) g = 180.18 g (using atomic weight data to 2 decimals) 1 mole of carbon atoms weighs 12.01 g and there are 6 moles of C atoms in 1 mole of glucose, so the mass of carbon in 1 mole of glucose = 6 × 12.01 g = 72.06 g.

Answer:

Explanation:

The healthiest foods are low in nutrients such as sodium and fats, and high in nutrients such as proteins and fiber.

Answer:

Methane has one atom of carbon and four atoms of hydrogen.

Propane has three carbon atoms and eight atoms of hydrogen.

Answer:

You didnt put a link to the picture...

Explanation:

Answer: D) Sufficient kinetic energy

Explanation:

Answer:

Causative/sensitizing factors of pancreatic injury include refluxed bile acids, alcohol, and pH. They largely mediate downstream events such as elevated intracellular Ca2+ via influx through TRPC3 channels and release from IP3 and ryanodine-sensitive Ca2+ stores.

Explanation:

Answer:

conductors

Explanation:

Because they consist of lattice of atoms with free electrons and these free electrons allows current to flow through.

"C" is correct.

The Law of Conservation of Mass states that matter can be neither created nor destroyed. This is evident in chemical equations as you will always start and end with the same amount of atoms of every element. They are all still there; they have just been rearranged.

Answer: C) The number of atoms of each element is the same on each side of the equation.

Explanation: Mass cannot be created nor destroyed.

Answer:

A bladder is like a balloon, because it holds urine, just like a balloon holds air. The urethra's function is to excrete urine from the human body.

Explanation:

A bladder and a balloon are similar, because it is the bladder which clasp urine, whereas a balloon clench air. The role of urethra is to eliminate urine from our human body.

The hollow organ which is in triangle shape and found in the lower abdomen just like a balloon is defined as the bladder. The urinary bladder is also known as a temporary reservoir of urine. Urine is reserved in the urinary bladder till it is removed out through the urethra.

As a result of the contraction of the wall of the urinary bladder, urine is eliminated from the body from time to time. The urine contains waste and extra fluid left over the body which has to be eliminated.

The bladder resembles the water balloon in that it holds urine in the similar way as the water balloon clench water. The water balloon pops when the amount of water exceeds than it can hold.

Thus the function of bladder and water balloon are found to be same.

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Answer:

0.047 moles

Explanation:

From the question,

Applying

PV = nRT............. Equation 1

Where P = Pressure of CH₄ gas, V = Volume of CH₄ gas, n = number of moles of CH₄ gas, R = Molar gas constant.

make n the subject of the equation

n = PV/RT............. Equation 2

Given: P = 660 torr = (660×0.00131579) atm = 0.868 atm, V = 1300 mL = (1300/1000) L = 1.3 L, T = 20 °C = (20+273) K = 293 K

Constant: R = 0.082 atm.dm³/K.mol

Substitute these values into equation 2

n = (0.868×1.3)/(0.082×293)

n = 1.1284/24.026

n = 0.047 mole

Answer:

True

Explanation:

Water vapor is totally invisible.

Without it, there would be no clouds or rain or snow, since all of these require water vapor in order to form. All of the water vapor that evaporates from the surface of the Earth eventually returns as precipitation - rain or snow.

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Answer:

a) melting point

Answer:

True

Explanation:

US. With an installed capacity of 3,639MW in 2018, the US is the leading producer of geothermal energy across the world, producing 16.7 billion kilowatt hours (kWh) of geothermal energy throughout the year. More recently, extensive direct heat utilization projects have been undertaken in many European countries, and electric power developed extensively in Italy and Iceland. Geothermal heat pumps became extensively used in Austria, Switzerland, Germany and Sweden (Antice, Miklos and Sanner, Burkhard, 2007).