____N2 + ____H2  ____NH3

Answers

Answer 1

Answer:

N2 + 3H2 + 2NH3

Explanation:

I'm assuming you're balancing the chemical equation

Answer 2

[tex]nitrogen \: reacts \: with \: hydrogen.[/tex]

N2 + 3H2 → 2NH3.

Explanation:-

L.H.S.

N = 2, H = 3×2 = 6.

R.H.S.

N = 2, H = 3×2 = 6.


Related Questions

ILL MARK BRAINLIEST :)
Describe the law of conservation of mass in your own words *DO IT IN YOUR OWN WORDS PLEASE*​

Answers

Explanation:

According to the law of conservation of mass, mass can neither be created nor destroyed but it can simply be transformed from one form to another.

For example, [tex]Na^{+} + Cl^{-} \rightarrow NaCl[/tex]

Mass of Na = 23 g/mol

Mass of Cl = 35.5 g/mol

Sum of mass of reactants = mass of Na + mass of Cl

= 23 + 35.5 g/mol

= 58.5 g/mol

Mass of product formed is as follows.

Mass of NaCl = mass of Na + mass of Cl

= (23 g/mol + 35.5) g/mol

= 58.5 g/mol

As mass reacted is equal to the amount of mass formed. This shows that mass is conserved.

As a result, law of conservation of mass is obeyed.

How many moles are in 2.8x10^24 atoms of silicon?

Answers

Answer:

4.6 mol Si

General Formulas and Concepts:

Atomic Structure

Reading a Periodic TableMolesAvogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional Analysis

Explanation:

Step 1: Define

[Given] 2.8 × 10²⁴ atoms Si

[Solve] moles Si

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

[DA] Set up:                                                                                                   [tex]\displaystyle 2.8 \cdot 10^{24} \ atoms \ Si(\frac{1 \ mol \ Si}{6.022 \cdot 10^{23} \ atoms \ Si})[/tex][DA] Divide [Cancel like units]:                                                                        [tex]\displaystyle 4.64962 \ mol \ Si[/tex]

Step 4: Check

Follow sig fig rules and round. We are given 2 sig figs.

4.64962 mol Si ≈ 4.6 mol Si

When 0.875 g. of magnesium was heated in air, 1.25 g. of magnesium oxide
(MgO) was produced. How much oxygen must be added?

Answers

Answer:

1. What is the coefficient for calcium in the balanced equation?

2 Ca + 5 NaOH → 4 Na + 2 Ca(OH)2

2. The burning of 20.0 g of acetylene (C2H2) produces what mass of carbon dioxide? You must

write the equation, balance it and solve the mass-mass problem.

a. Balanced equation:

2 C2H2 + 5 O2  4 CO2 + 2 H2O

Explanation:

how many layer does the earth have?

Answers

Answer:

The earth is split into four major layers: the crust, the mantle, the outer core and the inner core

Explanation:

How is entropy related to the spontaneity of a reaction? AP3X

Answers

Answer:

S>0 contributes to spontaneity.

Explanation:

i just took the test on a pex :)

According to the law of thermodynamics, the relationship between entropy and the spontaneity of a reaction is S > 0.

What is entropy?

Entropy is the total amount of energy in a closed system that is present there, but there are no uses for that energy. It is the unused energy for any work.

By the second law of thermodynamics, any spontaneous process results in an increase in the universe's overall entropy. The total of the entropy produced by the spontaneous process and the change in energy brought on by the heat flow is known as the net change in entropy of the system or S.

The reaction will be spontaneous if the delta G is negative. Delta G is the Gibbs free energy. So the entropy S will be greater that the reaction.

The Gibbs free energy equation is:

△G = △H − T△S

Thus, the relation is S > 0.

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How many electrons does GeH4 have

Answers

I do not know this question
36 electrons. You multiply the atomic number by the number of atoms and then add them.
Ge has 32 electrons. H has 1 electron.
32 + 1(4) = 36

Is this correct??Pls help!!!

Answers

Answer:

C

Explanation:

Answer:

Yes, your answer is correct. B is correct :3

20. Which of the following is the correct name for N205?
O nitrate oxide
O dinitrogen pentoxide
O nitrous oxide
O nitrogen dioxide

Answers

Answer: N205 is dinitrogen pentoxide

Answer:

B!

Explanation:

Di stnds for 2 (N2)

pent = 5 (05)

Write the formulas for the following compounds :

Sodium phosphate

Phosphorus triiodide

Answers

sodium phosphate = Na₃PO₄

phosphorus triiodide = PI3

hope this helps. make brainliest please!

Explanation:

1.Na3PO4

2.PI3

therefore this is the formula for sodium phosphate and phosphrous triiodide

Organisms that depend on other organisms for food are consumers. Which consumer you think is a herbivore (eats plants only)?

Answers

Answer:

Prairie dog#3

Explanation:

:)

Birds use their feathers for flight and fluff their feathers to keep warm. Based on Natalia's feather experiment, how do oil spills affect birds’ ability to use their feathers?

Answers

A new study finds that even small smudges of oil can have huge impacts on flight and a bird's energy budget. ... For seabirds, oil can sink their natural buoyancy and literally drag them into a watery grave. And the birds that try to clean themselves ingest a sticky poison that ravages their livers, lungs, and intestines.

Answer:

As shown previously on Natalia's experiment, oil spills will dangerously affect birds' abilities to user their feathers. When oil gets on a feather, the mass of it increases and it becomes soggy and wet. If birds try to go in water like the ocean, it will not get any better because the ocean is cold. Flying won't be easy because they have additional weight stuck to them.

Explanation:

Hope this helps you!

When you mix water and salt you get a. ​

Answers

Salt water , from the ocean

The best way to increase the amount of a solid solute dissolved in a saturated solution would be to

Answers

Answer:

The solubility of a saturated solution can be increased by increasing the temperature.

Explanation:

Temperature -- Generally, an increase in the temperature of the solution increases the solubility of a solid solute. For example, a greater amount of sugar will dissolve in warm water than in cold water. A few solid solutes, however, are less soluble in warmer solutions.


How do textbooks usually describe Le Châtelier's famous principle

Answers

Answer:is an observation about chemical equilibria of reactions. It states that changes in the temperature, pressure, volume, or concentration of a system will result in predictable and opposing changes in the system

Explanation:

If the half-life of a radioactive substance is 500 million years and you have 48 atoms of it, how many half-lives will have passed by the time that 6 atoms of the substance remain?
O A. 3
O B. 2
O C. 4
O D. 5

Answers

Answer: 3

Explanation:

How many grams of copper (II) oxide will react with 10 liters of hydrogen gas?​

Answers

Answer:

maybe 200g

I don't know thats just a guess

HOPE ITS TURE

A heterogeneous mixture always contains
only one substance.
O more than two substances.
O two or more substances that are visibly distinguishable.
O two or more substances that are not visibly distinguishable.

Answers

Answer:

two or more substances that are visibly distinguishable.

what does climate change have to do with glacial change ​

Answers

Answer:

Because glaciers are so sensitive to temperature fluctuations accompanying climate change. so if it gets hotter then the ice glaciers will melt.

Explanation:

What do plants do with sugar? *


Release it through their stoma

Eat it for energy

Convert it into oxigen

Convert it into water

Answers

Answer:

its B .Eat it for energy.

True or False?

When it is summer in the Northern Hemisphere, it is summer all around the word

Answers

True.................

If a book has a weight of 23.2 N on Earth, what is its mass?

Answers

Answer:  Mass is 2,37 kg

Explanation: Weight G = mg, and g = 9.81 m/s² on Earth.

m = W/g = 23.2 N /  9.81 m/s²

Help please At which boundary type would mountains, such as the Himalayans, most likely form?

Question 6 options:

Divergent

Convergent

Transform

Slip Fault

Answers

Answer:

convergent is the answer

how many carbon atoms are in 26-hydrogen alkyne

Answers

An alkyne contains four carbon atoms.... so if you do 26 multiplied by 4 it equals 104... I do not know if that’s the answer so I apologize if it’s wrong :,)

On the left a Circuit A, which is a square box. The top, left, and right sides have circles with X's in them. The bottom side has a stack of vertical lines, which are from left to right very short, short, very short, short. On the right a Circuit B, which is a square box. 2 extra lines cross the box near its top, parallel with the top side. The top side and the 2 extra lines have circles with X's in them. The bottom side has a stack of vertical lines, which are from left to right very short, short, very short, short.
Use the diagram and drop-down menus to answer each question.

Which circuit is a parallel circuit?

Which circuit is a series circuit?

In which circuit do the light bulbs all shine at their maximum brightness?

Answers

Answer:

B A B  sorry if its wrong

Explanation:

Circuits can be connected in series or parallel but the maximum voltage is obtained in series connection, thus, light bulbs shine brightest in series connection.

What is parallel and series connection in a circuit?

A parallel circuit connection is one in which the terminals of all the components in th circuit meet at two points.

The components are parallel to each other and current flows in multiple directions.

A series connection in a circuit is one in which the terminals of the component parts in a circuit are joined end to end. Current flows in one direction.

The voltage in a series connection is the sum of all the individual cells, therefore, the light bulb in series connection shines brightest.

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What is the definition of bond (in chemistry) ?

Answers

Answer:

Bond is a force that binds two atoms together.

If I have 6 moles of a gas at a pressure of 10.6 atm and a volume of 48 liters, what is the temperature of this gas?
An unknown quantity of gas is at a pressure of 14.5 atm, a volume of 45 liters, and a temperature of 97 0C, how many moles of gas exist in this situation?

Answers

Answer: 1). The temperature of this gas is 1032.88 K.

2). There are 21.48 moles of gas exist at a pressure of 14.5 atm, a volume of 45 liters, and a temperature of [tex]97^{o}C[/tex].

Explanation:

1). Given: No. of moles = 6 moles

Pressure = 10.6 atm

Volume = 48 L

Formula used to calculate temperature is as follows.

PV = nRT

where,

P = pressure

V = volume

n = no. of moles

R = gas constant = 0.0821 atm

T = temperature

Substitute the values into above formula as follows.

[tex]PV = nRT\\10.6 atm \times 48 L = 6 mol \times 0.0821 L atm/mol K \times T\\T = \frac{10.6 atm \times 48 L}{6 mol \times 0.0821 L atm/mol K}\\= \frac{508.8}{0.4926} K\\= 1032.88 K[/tex]

Hence, temperature of this gas is 1032.88 K.

2). Given: Pressure = 14.5 atm

Volume = 45 L

Temperature = [tex]97^{o}C = (97 + 273) K = 370 K[/tex]

Formula used to calculate number of moles is as follows.

[tex]PV = nRT\\14.5 atm \times 45 L = n \times 0.0821 L atm/mol K \times 370 K\\n = \frac{14.5 atm \times 45 L}{0.0821 L atm/mol K \times 370 K}\\= \frac{652.5}{30.377} mol\\= 21.48 mol[/tex]

Hence, there are 21.48 moles of gas exist at a pressure of 14.5 atm, a volume of 45 liters, and a temperature of [tex]97^{o}C[/tex].

A car engine produces 604 kJ of mechanical energy from fuel capable of producing 2416 kJ of energy. The efficiency of the engine is

Answers

I think it’s 40% but I’m not sure

A car engine produces 604 kJ of mechanical energy from fuel capable of producing 2416 kJ of energy, then efficiency of the engine is 25%.

How do we calculate efficiency?

We can calculate the efficiency by using the below equation as:

Efficiency = (Actual production / Theoretical production) × 100%

Given that,

Actual production = 604 kJ

Theoretical production = 2,416 kJ

On putting values in given equation, we get

Efficiency = (604/2,416) × 100% = 25%

Hence efficiency of the engine is 25%.

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What is the hydroxide ion concentration of a solution with a pH of 4?

A. 1x10^-4
B. 1x10^-7
C. 1x10^-14
D. 1x10^-10

Answers

Answer:

Jules

Explanation:

Water and oil are "immiscible", meaning they do not mix but stay
separated when combined in a glass. What is the best explanation for this?

1.both are polar molecules

2.both are nonpolar molecules

3.water is a polar molecule and oil is a nonpolar molecule

4.water and oil are both compounds

Answers

Answer:

Good luck man

Explanation:

Good luck man

If 2.28 g C8H18 reacts with 7.00 g of Oz, predict the mass of CO, that can be produced and
identify the limiting reactant. Explain how you got your answers.
Unbalanced equation: C8H180 + 026) • CO26) + H₂O

Answers

Answer:

O₂ is limiting reactant and 6.17g CO₂ can be produced

Explanation:

Based on the balanced reaction:

C₈H₁₈ + 25/2O₂ → 8CO₂ + 9H₂O

1 mole of C₈H₁₈ reacts with 25/2 moles O₂.

To solve this question we must convert the mass of each reactant to moles and, using the balanced reaction, we can find limiting reactant. With moles of limiting reactant we can find the moles of CO₂ and its mass as follows:

Moles C₈H₁₈ -Molar mass: 114.23g/mol-

2.28g * (1mol / 114.23g) = 0.0200 moles C₈H₁₈

Moles O₂ -Molar mass: 32g/mol-

7.00g * (1mol / 32g) = 0.219 moles O₂

For a complete reaction of 0.0200 moles C₈H₁₈ are needed:

0.0200 moles C₈H₁₈ * (25/2moles O₂ / 1mole C₈H₁₈) = 0.250 moles of O₂ are needed.

As there are just 0.219 moles, O₂ is limiting reactant.

Moles of CO₂ that can be produced:

0.219 moles O₂ * (8moles CO₂ / 25/2moles O₂) = 0.140 moles CO₂

The mass is -Molar mass CO₂: 44.01g/mol-:

0.140 moles CO₂ * (44.01g / mol) =

6.17g CO₂ can be produced
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