How many moles of propane
react when 294 g of CO2 form?

C3H8 +502 → 3CO₂ + 4H₂O

Answers

Answer 1

2.23 moles of propane react when 294 g of CO₂ is formed .

What is moles ?

Moles is a unit which is equal to the molar mass of an element.

A reaction is given

C₃H₈ +50₂ → 3CO₂ + 4H₂O

Grams of CO₂ formed = 294 gm

In moles = 294 /44 = 6.68 moles.

Let x be the moles of C₃H₈ is x

Mole ratio of CO₂ to C₃H₈ = 3 : 1

so

6.68 /x = 3/1

x = 6.68 /3 = 2.23 moles

Therefore 2.23 moles of propane react when 294 g of CO₂ is formed .

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Related Questions

What do scientists and engineers have in common?

Answers

Answer:

Engineers and scientists both use methods of science and facts.

Explanation:

They often use Math and computer in calculations.

Answer:

Scientists and engineers both use the facts and methods of science, and both often use MATH and COMPUTERS in their work.

Explanation:

15. What will be the volume of a given mass of oxygen at 250C if it occupies 100cm3 at 150C.? (Pressure remain constant)​

Answers

Answer:

V₂ = 167 cm₃

Explanation:

Because you are only dealing with volume and temperature, you can use Charles' Law to find the missing value. This formula looks like this:

V₁ / T₁ = V₂ / T₂

In this formula, "V₁" and "T₁" represent the initial volume and temperature. "V₂" and "T₂" represent the final volume and temperature. You have been given values for all of the variables except for final volume. Therefore, by plugging these values into the formula, you can simplify to find your answer.

V₁ = 100 cm³             T₁ = 150 °C

V₂ = ?                        T₂ = 250 °C

V₁ / T₁ = V₂ / T₂                                          <---- Charles' Law formula

(100 cm³) / (150 °C) = V₂ / (250 °C)           <---- Insert values

(0.667) = V₂ / (250 °C)                               <---- Simplify left side

(0.667) x (250 °C) = V₂                              <---- Rearrange

167 = V₂                                                     <---- Simplify left side

if the temperature of this equilibrium was increased, what would happen to the equilibrium yield of chlorine?

Answers

Answer:

the temperature of the system decreases

How does separating CHEMICALS through DISTILLATION harm the environment ?
Explain in your own words

Answers

Explanation:

Distillation is the separation of mixture of two liquids which differ in boiling point. Through Distillation vapour that is formed spread thoroughly in our environment

Which is the correctly balanced chemical equation for the reaction of KOH and H₂SO4?
OKOH H₂SO4 →K*+50²-
2KOH+H₂SO4 → K₂SO4
2KOH+H₂SO4 → K₂SO4+2H₂O
4
OKOH H₂SO4 → K₂SO4 →H₂O


Answers

Answer:

2KOH + H2SO4 > K2SO4 + 2H2O

Explanation:

firstly the order speaks, you can't have something like OKOH so the other two is eliminated. Then check if the remaining reactions balance

The  correctly balanced chemical equation for the reaction of KOH and H₂SO₄ is 2 KOH+H₂SO₄ → K₂SO₄+2 H₂O.

What is chemical equation?

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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what is the simplest formula of a compound with 4.433g phosphorus and 5.717g oxygen?​

Answers

Answer:

empirical formula is the simplest formula of a compound with 4.433g phosphorus and 5.717g ooxygen.

explain the bonding nature in NaCl with diagram​

Answers

Explanation:

NaCl is the compound that we want to know the Bonding structure of

in chemistry when a metal (Na) combines with a non metal (Cl) it is know as an ionic compounds

the type of bonding in ionic compounds is an ionic bond

Can someone help me please

Answers

Answer:

4) x = 4

Explanation:

Using Intersecting Chords Theorem,

AB × CB = BE × BD

( 4x + 2) × 8 = 9 × ( 4x ) 32x + 16 = 36x16 = 36x -32x (Subtract)16 = 4x (Divide both sides by 4)x = 16/ 4 (Divide)x = 4--------------------------

What happens is the PH changes

Answers

The changes in different properties such as concentration etc will change if the pH experiences a change.

What is pH?

This is referred to the power of hydrogen and is a measure of the degree of acidity or alkalinity of a substance.

When pH changes, the concentration as well as other properties in this context.

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You might also want to challenge other commonly accepted green ideas or the impact of the various green activities . For example , what is the relative impact of these green measures ? What mass of carbon do these various common activities use up ?

1. Washing clothes at 300 degrees instead of 400 .
2. Shutting your computer down every night .
3. Using low - energy light bulbs instead of regular light bulbs ..
4. Switching off television instead of leaving it on standby .
5. Boiling only 1 cup of water at a time , instead of a whole kettle .​

Answers

2)A complete desktop uses an average of 200 Watt hours (Wh). This is the sum of the average consumption per hour of the computer itself (171 W), the internet modem (10 W), the printer (5 W) and the loudspeakers (20 W). Assuming that a computer is on for eight hours a day, the annual consumption comes to 600 kWh. That corresponds to CO2 emissions of about 175 kg per year, i.e. 1.75 % of the average annual emission of a Belgian.

How to convert °c 40 to °f

Answers

Answer:

104 f

Explanation:

multiply 40 by 1.8 and then add 32

2. Metals react with water and release hydrogen gas. Explain why non-metals do not release hydrogen gas when reacted with water.​

Answers

Answer:

Its because non-metals are unable to break the bond between the H and O ion and cannot reduce hydrogen by donating electrons

If a gas occupies 1532.7 mL at standard temperature, what volume does it occupy at 49.4 ºC if the pressure remains constant?
a. 1810
b. 1300
c. 276
d. 3.80e5

Answers

Answer:

a. 1810mL

Explanation:

When conditions for a gas change under constant pressure (and the number of molecules doesn't change), it follows Charles' Law:

[tex]\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}[/tex]  where the temperatures must be measured in Kelvin

To convert from Celsius to Kelvin, add 273, or use the equation:  [tex]T_C+273=T_K[/tex]

For this problem, one must also recall that standard temperature is 0°C (or 273K).

So, [tex]T_1 = 273[K][/tex], and [tex]T_2 = (49.4+273)[K]=322.4[K][/tex].

[tex]\dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}[/tex]

[tex]\dfrac{(1532.7[mL])}{(273[K])}=\dfrac{V_2}{(322.4[K])}[/tex]

[tex]\dfrac{(1532.7[mL])}{(273[K\!\!\!\!\!{-}])}(322.4[K\!\!\!\!\!{-}] )=\dfrac{V_2}{(322.4[K]\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----})}(322.4[K]\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!\!{----})[/tex]

[tex]1810.04571428[mL]=V_2[/tex]

Adjusting for significant figures, this gives [tex]V_2=1810[mL][/tex]

How many calories are in a
banana containing 410 kJ of
energy?
[? ] cal

Answers

I believe the answer is, 97.992 calories

Number of calories that are in a banana containing 410 kJ of energy are 97619.04 Calories.

What is Energy?

The ability to do work is called as energy. Work done is product of force and displacement. Energy is of different types as sound energy, kinetic energy, potential energy, electrical energy, light energy etc.

Law of conservation of energy states that energy can neither be created nor destroyed, but it can be transferred from one form to another.

Molecules can move so they show kinetic energy, molecules can be there at many positions so they can show potential energy, molecules can vibrate so they can show sound energy but molecules can only absorb light hence they can't have light energy.

1 calorie of energy has 0.0042 Kilo Joules.

97619.04 Calories of energy will be present in 410 KJ.

Therefore, Number of calories that are in a banana containing 410 kJ of energy are 97619.04 Calories.

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How many molecules of SF6
are in 25.0 g SF6?

[ ? ]×10⁰²] molecules SF6

Answers

SF₆

Molar mass: 146.06 g/mol

mole = 25 : 146.06 = 0.171

molecules:

=0.171 x 6.02 x 10²³

=1.03 x 10²³

We know the sun is primarily made from hydrogen and helium on the basis of its:

Answers

We know the sun is primarily made from hydrogen and helium on the basis of its spectrum.

What is Sun's spectrum?

Sun's spectrum refers to the light of the Sun whose wavelength spectra can be used to identify atomic composition.

Thus spectrum (Sun's spectrum) initiates with the red light (700 nm) and ends with the blue (380 nm).

In conclusion, we know the sun is primarily made from hydrogen and helium on the basis of its spectrum.

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the pressure of a gas depends on the ____ and ____ of the gas.

Answers

Answer:

Temperature and Volume

Explanation:

PV = n R T

P = n R T / V      pressure depends on the temperature and volume

The pressure of a gas depends on the temperature and volume of the gas.

Ideal gas equation

PV = nRT

Where

P is the pressureV is the volumen is the number of moleR is the gas constantT is the temperature

From the equation given above, we obtained the following:

PV = nRT

Divide both sides by V

P = nRT / V

R is constant and n = 1

P = T / V

Thus, we can see that the pressure (P) is dependent on the temperature (T) and the volume (V)

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Hydrogen and Oxygen will have ______ properties after they bond to become water.
A. only the dominant element’s
B. both of their original
C. the same
D. completely new

Answers

Hydrogen and oxygen will have completely new properties

When molten magma rises to the surface it cools ________, forming ________ igneous rocks.
A. slowly, extrusive
B. slowly, intrusive
C. rapidly, intrusive
D. rapidly, extrusive

Answers

Answer:

B)Slowly, intrusive

Practice question 1 How many moles are in 5.64e25 atoms of iron (Fe)?​

Answers

1 mole is equal to 6.0220 x 1023 atoms of any element.

what are the benefits of organic farming​

Answers

it reduces pesticides and recycles waste back into the farm

What is the complete ionic equation for NaOH(aq) + HCl(aq) → H₂O()) + NaCl(aq)?

Answers

Answer:

OH-(aq)+H+(aq)->H2O(l)

Answer is shown in photo.

Explanation :

APEX

6.0 mol NaOH reacts with
9.0 mol H3PO4 according to
the equation below:
3NaOH + H3PO4 → 3H₂O + Na3PO4
How many moles of Na3PO4 form from
9.0 mol H3PO4?
[?] mol Na3PO4
Round your answer to the tenths place.

Answers

Taking into account the reaction stoichiometry, 2 moles of Na₃PO₄ can be produced when 6.0 mol NaOH reacts with 9.0 mol H₃PO₄.

Reaction stoichiometry

In first place, the balanced reaction is:

3 NaOH + H₃PO₄ → 3 H₂O + Na₃PO₄

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

NaOH: 3 moles H₃PO₄: 1 mole H₂O: 3 molesNa₃PO₄: 1 mole

Limiting reagent

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

Limiting reagent in this case

To determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 1 mole of H₃PO₄ reacts with 3 moles of NaOH, 9 moles of H₃PO₄ reacts with how many moles of NaOH?

[tex]moles of NaOH=\frac{9 moles of H_{3} PO_{4} x3 moles of NaOH}{1 mole of H_{3} PO_{4}}[/tex]

moles of NaOH= 27 moles

But 27 moles of NaOH are not available, 6 moles are available. Since you have less moles than you need to react with 9 moles of H₃PO₄, NaOH will be the limiting reagent.

Moles of Na₃PO₄ formed

Considering the limiting reagent, the following rule of three can be applied: if by reaction stoichiometry 3 moles of NaOH form 1 mole of Na₃PO₄, 6 moles of NaOH form how many moles of Na₃PO₄?

[tex]moles of Na_{3}P O_{4} =\frac{6 moles of NaOHx1 mole of Na_{3}P O_{4} }{3 moles of NaOH}[/tex]

moles of Na₃PO₄= 2 moles

Then, 2 moles of Na₃PO₄ can be produced when 6.0 mol NaOH reacts with 9.0 mol H₃PO₄.

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Answer:

The first one is 2 but the second one is 9

Explanation:

According to the phase diagram for H₂O, what happens to the phases of
water at 0°C as the pressure is increased from 0 atm to 10 atm?

Answers

Answer:

"A", "water changes from a gas to a solid to a liquid", according to this phase diagram, at at 0°C, as pressure is increased from 0atm to 10atm.

Explanation:

The question asks what happens at 0°C, as pressure is increased from 0atm to 10atm.

According to the question, the temperature is held constant.  The pressure changes.  In the phase diagram, we find the temperature 0°C on the horizontal axis, and all points where the temperature are 0°C are along that vertical line.

Since the pressure starts at 0atm and increases to 10atm, we start at the bottom, and move upward along that line, to see what phases of matter the substance changes to.

At the bottom, it is initially in a "gas" phase.  As it moves up, it transitions to a "solid" phase.  Later, as it continues moving up, it changes again into a "liquid" phase.

Thus, the answer would be "A", "water changes from a gas to a solid to a liquid", according to this phase diagram, at at 0°C, as pressure is increased from 0atm to 10atm.

In desperate need of help!!!!!!!

Answers

Answer:

The answer will be false.

Explanation:

because it is not balanced.

a sample of helium gas has a volume of 1.00 l. what is the final volume if both the pressure and kelvin temperature each double?

Answers

Since the helium gas has a volume of 1.00 L, the final volume of the helium gas is 1.00 L

To find the volume, we need to know the general gas law.

What is the general gas law?

The general gas law is given by P₁V₁/T₁ = P₂V₂/T₂ where

P₁ = initial pressure of gas, V₁ = initial volume of gas, T₁ = initial temperature of gas in Kelvin, P₂ = final pressure of gas, V₁ = final volume of gas, andT₁ = final temperature of gas in Kelvin

Final volume of helium gas

So, making V₂ subject of the formula, we have

V₂ = P₁V₁T₂/T₁P₂

Since the sample of helium gas has a volume of 1.00 L and both the pressure and kelvin temperature each double, we need to find its final volume.

So,

P₂ = 2P₁, T₂ = 2T₁ and V₁ = 1.00 L

So, substituting the values of the variables into the equation, we have

V₂ = P₁V₁T₂/T₁P₂

V₂ = P₁V₁ × 2T₁/T₁ × 2P₁

V₂ = V₁

V₂ = 1.00 L

So, the final volume of the helium gas is 1.00 L

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What does a high number on the pH scale say about a solution?
OA. The solution is basic.
OB. The solution is hot.
C. The solution is neutral.
OD. The solution is acidic.

Answers

Explanation:

A is cortect answer dsfa

What does a standard enthalpy change mean?

Answers

Standard enthalpy change refers to a change in the amount of energy in a reaction that occurs under standard conditions.

What is standard enthalpy change?

It is a property that measures the change in the amount of energy in a reaction involving the formation of substances from pure elements.

Such a reaction must happen under standard conditions which include 1-atmosphere pressure and 298.15 K temperature.

It is designated by  ΔH°.

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Which of the following species of fish have cartilaginous skeletons?

Answers

You can attach a picture so I can help you

Answer:

sharks have cartilaginous skeletons

Explanation:

Sharks are an example

Atoms and the chemical bonds that connect them cannot be observed with your eyes, so it is necessary to use a
a. microscope
b. theory
c. model
d. both (b) and (c)

Answers

Answer: d. both (b) and (c)

Explanation:

Atoms are too small to be seen on microscopes, so we model them based on theories.

It is d
Ddddddddddddddddddddddddddddddddddddd
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