If a reaction occurs, what will be the products of the unbalanced reaction below?
Literally people are getting me the wrong answers on purpose. jesus. will be marking brainliest.

Answer:

40.34 g

Explanation:

First, we divide the heat to release by the heat of combustion to obtain the required moles of compound:

541.20 kJ/(1160.00 kJ/mol) = 0.4665 mol

So, we have to burn approximately 0.47 mol of the compound. We convert the moles to mass in grams by using the molar mass:

mass = molar mass x moles = 86.47 g/mol x 0.4665 mol = 40.34 g

Therefore, you must burn 40.34 grams of the compound to release 541.20 kJ of heat.

Answer: With power and energy, power is units of energy divided by time. The same difference as distance and velocity. The units of power are watts, the units of energy are joules.

Explanation:

abcdefghijklmnopqrstuvwxyzExplanation:abcdefghijklmnopqrstuvwxyz

Answer: A. AB+C->CB+A

Explanation:

The chemical reaction includes the reactant and products. The single replacement reaction can be given as AB + C → CB + A. Thus option a is correct.

A single replacement reaction is the exchange reaction that involves the substitution of a single element of the reactant with another element of the reactant species.

The reaction between zinc and copper chloride is a single replacement reaction as copper is replaced by zinc in the copper chloride compound to produce zinc chloride and copper.

Therefore, option A. AB + C → CB + A is the single replacement reaction.

Learn more about single replacement reaction here:

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Answer:

its 25

Explanation:

Answer:

your answer should be c i had this qs before

Explanation:

Answer:

0.28moles of silicon

Explanation:

Given parameters:

Number of molecules of silicon  = 1.7 x 10²³molecules

Unknown:

Number of moles of the silicon  = ?

Solution:

A mole of any substance contains the Avogadro's number of particles.

   1 mole of a substance contains 6.02 x 10²³molecules;

  So;

     1.7 x 10²³molecules contains [tex]\frac{1.7 x 10^{23} }{6.02 x 10^{23} }[/tex]   = 0.28moles of silicon

Explanation:

Giant Gas Cloud. A star originates from a large cloud of gas. ...

Protostar. When the gas particles in the molecular cloud run into each other, heat energy is produced. ...

T-Tauri Phase. ...

Main Sequence. ...

Red Giant. ...

The Fusion of Heavier Elements. ...

Supernovae and Planetary Nebulae

Answer:

2H2O2→2H2O+O2

Explanation:

This reaction is of the spontaneous decomposition of hydrogen peroxide down into water and oxygen.

Add 2 molecules of hydrogen peroxide and 2 molecules of water. Since oxygen is naturally diatomic, the total number of atoms of each element is now the same on both sides of the equation so it is balanced.

2H2O2→2H2O+O2

Science affected our lives at the beginning of this pandemic.

Explanation:

Although scientists did study the virus to see how deadly it is the pandemic kept spreading. The spreading of the virus was not the scientist's fault it was the citizens' fault. They now found a vaccine that took hard work and a short amount of time.

Answer:

corrosiveness is a chemical property

The more kinetic energy a substance has, the warmer it will be and the faster particles will be moving, which reduces the density of the substance

Answer:

Answer:

Mass = 1.84 g

Explanation:

Given data:

Total pressure = 3.44 atm

Volume of flask = 9.62 L

Temperature = 63°C = 63+273.15K = 336.15 K

Mass of CO₂ = 12.5 g

Mass of hydrogen = ?

Solution:

Number of moles of CO₂:

Number of moles = mass/molar mass

Number of moles = 12.5 g/ 44 g/mol

Number of moles = 0.28 mol

Pressure of CO₂:

PV = nRT

R = general gas constant = 0.0821 atm.L/mol.K

P = 0.28 mol × 0.0821 atm.L/mol.K × 336.15 K / 9.62 L

P = 7.73 atm.L/ 9.62 L

P =  0.8 atm

Total pressure = Partial pressure of CO₂ + Partial pressure of H₂

3.44 atm = 0.8 atm + P(H₂)

P(H₂) = 3.44 atm - 0.8 atm

P(H₂) = 2.64 atm

Number of moles of hydrogen:

PV = nRT

2.64 atm  × 9.62 L = n × 0.0821 atm.L/mol.K × 336.15 K

25.39 atm.L = n × 27.59atm.L/mol

n = 25.39 atm.L / 27.59atm.L/mol

n = 0.92 mol

Mass of hydrogen:

Mass = number of moles × molar mass

Mass = 0.92 mol ×  2 g/mol

Mass = 1.84 g

Answer: two elements and three atoms

Explanation:

An element is the simplest substance and hence cannot be broken down using chemical reactions.

Magnesium chloride [tex](MgCl_2)[/tex] is an ionic compound formed by the transfer of electrons from element magnesium (Mg) to element chlorine (Cl) where Magmesium forms a cation [tex]Mg^{2+}[/tex] by losing two electrons and chlorine forms an anion [tex]Cl^{-}[/tex] by gaining electron.

There are 3 atoms in Magnesium chloride [tex](MgCl_2)[/tex] which include one atom of magnesium (Mg) and two atoms of chlorine (Cl).

Answer:

Atoms are neutral in electrical charge because they have the same number of negative electrons as positive protons (Table 4.5. 1). Therefore, the atomic number of an atom also tells you how many electrons the atom has. This, in turn, determines many of the atom's chemical properties

Explanation:

Answer:

.0051 m/s

Explanation:

We know the catepillar moves at 2 meters every 6.5 minutes. Convert minutes to seconds (6.5 * 60)

Then we have 2 m / 390 seconds. Divide the fraction.

Answer:

Indium

Explanation:

That is Indium (In) which is in same group as Al

Answer:

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).

Explanation:

Answer:

0.81mole

Explanation:

Given:

Volume of carbon monoxide  = 18dm³

Unknown

Number of moles of carbon monoxide  = ?

Solution:

To solve this problem;

           1 mole of any gas at rtp occupies a volume of 22.4dm³  

So;

           x mole of carbon monoxide will occupy a volume of 18dm³ at rtp

        22.4x  = 18

                x  = [tex]\frac{18}{22.4}[/tex]   = 0.81mole

boiling waterAnswer:

Explanation:

its called thermal energy

Answer:

bronze medal i guess

i hope its correct.

Explanation:

Answer:

silver spoon

Explanation:

i had this for castle learning and guessed this and it was right

Answer:

Carbon dioxide is a product (cellular respiration)

Carbon dioxide is a reactant(photosynthesis)

Carried out in animals(cellular respiration)

Carried out in plants(both)

Chemical reaction(cellular respiration)

Oxygen is a product(photosynthesis)

Oxygen is a reactant(cellular respiration)

Produces usable energy source(photosynthesis)

Your welcome!!! Plz mark brainliest.

Answer:attached is the correct answer

Explanation:

Photosynthesis and Respiration

Answer:

The main advantages of non-renewable energies is that they are abundant and affordable. For example, oil and diesel are still good choices for powering vehicles. Non-renewable energy is cost effective and easier to product and use.

Explanation:

there yah go

Answer:

El volumen del gas en el recipiente es 3.29 L si se disminuye la temperatura a 7°C

Explanation:

La Ley de Charles es una ley de los gases que relaciona el volumen y la temperatura de una cierta cantidad de gas a presión constante.

Esta ley establece que el volumen es directamente proporcional a la temperatura del gas. Es decir que si la temperatura aumenta, el volumen del gas aumenta, mientras que si la temperatura del gas disminuye, el volumen disminuye.

Matemáticamente, si la cantidad de gas y la presión permanecen constantes, el cociente entre el volumen y la temperatura siempre tiene el mismo valor:

[tex]\frac{V}{T}=k[/tex]

Suponiendo un cierto volumen de gas V1 que se encuentra a una temperatura T1 al comienzo del experimento, al variar el volumen de gas hasta un nuevo valor V2, entonces la temperatura cambiará a T2, y se cumplirá:

[tex]\frac{V1}{T1}=\frac{V2}{T2}[/tex]

En este caso, sabes:

Reemplazando:

[tex]\frac{3.5 L}{298 K}=\frac{V2}{280 K}[/tex]

Y resolviendo obtienes:

[tex]V2=280 K*\frac{3.5 L}{298 K}[/tex]

V2= 3.29 L

El volumen del gas en el recipiente es 3.29 L si se disminuye la temperatura a 7°C

Answer:

It makes chemicals hot or cold which makes chemicals react differently

Explanation:

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