Given the balanced equation representing a
reaction:
2NO+ O₂ → 2NO₂ + energy
1. The mole ratio of NO to NO₂ is
(1) 1 to 1
(2) 2 to 1
(3) 3 to 2
(4) 5 to 2

Answers

Answer 1

Answer: it would be a 1 to 1 ratio

Explanation: originally it would be 2 to 2 but you have to reduce


Related Questions

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

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

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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A solution is 0.225M Na2SO4. What is the molarity of the sodium ion in solution

Answers

The molarity of the sodium ion in the solution is 0.450 M.

How do we determine the molarity of sodium ions in a solution?

The molarity of the sodium ion in a solution can be determined by the dissociation of the given solution Na2SO4(sodium sulfate).

The dissociation of Na2SO4 is computed as follows:

1 mole of Na2SO4 dissociates to give 2 moles of sodium cations and 1 mole of sulfate anion.

i.e.

[tex]\mathbf{Na_2SO_4 \to 2Na^{+} + SO_4^{2-}}[/tex]

The molarity for sodium-ion [Na+] is:

= 2 × 0.225 M

= 0.450 M

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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:

hydrochloride acid +_________ zinc chloride +hydrogen​

Answers

Answer:

Hydrochloride acid + Zinc = Zinc Chloride + Hydrogen

Explanation:

When Hydrochloride acid and Zinc react, it results in the formation of Zinc chloride and hydrogen.

Hope I helped

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

0.467 mol NaCl are needed to
create a 0.875 m solution using 534
g of water. How many grams of
sodium chloride are required to
make the solution?

Answers

The mass, in grams, of sodium chloride needed would be 27.29 grams.

Number of moles

The number of moles of a substance is mathematically given as:

Mole = mass/molar mass.

Thus, mass = mole x molar mass.

In this case, 0.467 moles of NaCl is needed. The mass of 0.467 moles of NaCl can then be calculated as:

Mass = 0.467 x 58.44 = 27.29 grams.

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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

how many atoms of of titanium are present in a sample containing 0.375 moles Ti

Answers

2.258302785 x [tex]10^{23}[/tex] atoms of titanium are present in a sample containing 0.375 moles of Ti.

What are moles?

A mole is defined as 6.02214076 × 10^{23} of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

To find the number atoms we need to multiply by 6.02214076 × 10^{23}.

0.375 moles x  6.02214076 × [tex]10^{23}[/tex]

2.258302785 x [tex]10^{23}[/tex]

Hence, 2.258302785 x [tex]10^{23}[/tex] atoms of titanium are present in a sample containing 0.375 moles of Ti.

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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

A 10.0 ml portion of 0.010 m hcl is diluted by adding it to100.0 ml of water. what is the ph of the solution

Answers

From the calculation, the pH of the solution after dilution is 3.

What is the pH?

The pH is the hydrogen ion concentration of the solution. Now we know that;

C1 =  0.010 m

V1 = 10.0 ml

V2 = 10.0 ml + 100.0 ml = 110 ml

C2 = ?

C1V1 = C2V2

C2 = C1V1 /V2

C2 =  0.010 m  * 10.0 ml / 110 ml

C2 = 0.00091 M

pH = -log[0.00091 M]

pH = 3

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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.

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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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]

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--------------------------

How to convert °c 40 to °f

Answers

Answer:

104 f

Explanation:

multiply 40 by 1.8 and then add 32

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

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

Answers

Answer:

The answer will be false.

Explanation:

because it is not balanced.

The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of an hydrogen oxygen sodium carbon helium
a. hydrogen

b. oxygen

c. sodium

d. carbon

e. helium

Answers

Answer: a. hydrogen

This is a fact.

Carbon is the reference taken to assign the atomic mass unit

One twelfth of the mass of unbound carbon-12 is taken as 1amuThe unit for the atomic mass constant is Dalton (Da)This unit is standard when doing calculations in chemistry and physics1amu = 1.6605x10⁻¹⁹gThis was also derived from the law of definite proportionsThis standard has been set by the International Union of Pure and Applied Chemistry (IUPAC)The IUPAC is responsible for assigning various standards such as the nomenclature of various compounds, and updating the periodic table of elements.According to the IUPAC carbon is the reference taken to assign the atomic mass unit

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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

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 a reaction between colorless substances can produce a colored precipitate

Answers

A reaction between colorless substances can produce a colored precipitate by formation of new ionic compound.

What is an ionic compound?

An ionic compound is a compound that is made up of two elements, one metal and the other non metal, which are held together by an ionic bonding.

When reaction occurs between two colourless substances, colored precipitate results by formation of new ionic compound.

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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

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

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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What temperature, in Kelvin, does a 1.00 gram sample of Ne in a 2.50 L container need to be adjusted to in order to bring the pressure to 1.00 atm? Report your answer to the nearest Kelvin. (Moodle is looking for a number only, no units.)

Answers

The temperature of 0.049 moles of a Ne with a pressure of 1.00 atm and a volume of 2.50 L is 621.44K.

How to calculate temperature?

The temperature of a given gas can be calculated using the ideal gas law equation:

PV = nRT

Where;

P = pressure = 1.00 atm

V = volume =2.50 L

R = gas law constant = 0.0821 Latm/molK

Mass =1.00 gram

The molar mass of Ne= 20.1797 u

[tex]Moles = \frac{mass}{molar \;mass}[/tex]

[tex]Moles = \frac{1.00}{20.1797}[/tex]

Moles = 0.049mol

T = temperature=?

Putting the value in the equation:

PV = nRT

1.00 atm × 2.50 L = 0.049mol × 0.0821 × T

T = 621.44K

Therefore, the temperature of 0.049 moles of a Ne with a pressure of 1.00 atm and a volume of 2.50 L is 621.44K.

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An atom contains one proton, one electron, and one neutron. Which two particles are most similar in mass?
O the neutron and the electron
O the proton and the electron
O the proton and the neutron
O the neutron and the atom

Answers

Answer:

the pro on and the electron

The proton and electron
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