Complete the symbol equation for the preparation of sodium sulfate

Answers

Answer 1

2NaOH(aq) + H2SO4(aq) => Na2SO4(s) + 2H2O(l)

This is a neutralization reaction.


Related Questions

A test light with an electrical resistance of 9.00 S2 draws a current of 1.50 A when
it is connected to an electrical source. How much power does the light use?

Answers

Answer:

20.25 W

Explanation:

Applying,

P = I²R.................... Equation 1

Where P = Power, I = current drawn by the test light, R = Resistance of the test light

From the question,

Given: I = 1.5 A, R = 9.00 Ω

Substitute these values into equation 1

P = (1.5²)(9)

P = 2.25×9

P = 20.25 W

Why can you not create a Punnett square
to determine the height of an individual-​

Answers

You can use a punnet square to determine if an indevidual will be tall, average or short.
Mark Brainliest please

Limitations of Punnett squares as models of inheritance include the lack of information about likely variation in small samples such as individual families and the lack of information about population prevalence of parental genotypes (so no predictions can be made about population prevalence of offspring genotypes


In lab, you calculate the density of an iron rod to be 7.30 g/cm3. The accepted value
for the density of iron is 7.80 g/cm3. What is your percent error?

Answers

Answer:

6.41 %

Explanation:

The percentage error of a certain measurement can be found by using the formula

[tex]P(\%) = \frac{error}{actual \: \: number} \times 100\% \\ [/tex]

From the question

actual density = 7.80 g/cm³

error = 7.30 - 7.80 = 0.5

We have

[tex]p(\%) = \frac{0.5}{7.8} \times 100 \\ = 6.410256...[/tex]

We have the final answer as

6.41 %

Hope this helps you

There are many factors that influence the population changes of an ecosystem. Which of these does not influence population size in an ecosystem? A. Birthrates of animals B. An animal's weight C.Number of animals in habitats D.Number of animals in habitats

Answers

Answer:

B. An animal's weight

Explanation:

An animal's weight is the factor that does not influence population size in an ecosystem because this factor does not cause an increase or decrease the population of animals in an ecosystem. The birth and death rate of animals and number of animals in habitats are the factors that tells us about the increase and decrease in the population of organisms in an ecosystem but weight of organism can't affect the population.

Answer:

B. An animal's weight

Explanation:

Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.

The table below gives some characteristics of element Y.

Characteristics of element Y Values
Mass number 11
Number of neutrons in a single atom 6
Average atomic mass (grams/mole) 10.81

What is the identity of element Y?

Answers

Answer:

Boron B

Explanation:

According to the periodic table, Boron is the element with atomic mass of approximately 11 [i.e 10.81]

To calculate Neutrons

Neutrons = Mass number - Protons

Number of protons in Boron is same as atomic number which is 5

Thus, N = 11 - 5 = 6

What does every weak base have? ​

Answers

Explanation:

has a Acids Bases

HCl LiOH

HBr NaOH

HI KOH

HNO 3

what is an earthquake's epicenter found​

Answers

Answer:

an epicenter is where an earthquake first hit

Answer:

The epicenter

Explanation:

The location below the earth's surface where the earthquake starts is called the hypocenter, and the location directly above it on the surface of the earth is called the epicenter. ... These are smaller earthquakes that occur afterwards in the same place as the mainshock.

Vierte dos líquidos en una pendiente. No sabes qué tipo de sustancias son y necesitas saber cuál es más viscosa. La única herramienta que tienes es un cronómetro. ¿Qué puedes hacer para solucionar este problema?

Answers

Answer:

La respuesta está en la explicación

Explanation:

La viscosidad se puede definir como la resistencia al movimiento que presenta un líquido.

Al verter dos líquidos por separado en una pendiente, podrás ver cómo un líquido se tardará más en llegar al final de la pendiente que el otro. Este líquido será EL MÁS VISCOSO.

Así podrás, con el cronómetro, medir el tiempo que cada líquido se tarda en llegar a cierto punto de la pendiente, EL QUE TARDE MÁS SERÁ EL MÁS VISCOSO.

I have an atomic number of 56 who am i?

Answers

Answer:

You are Barium

Explanation:

Have a great summer :)

Answer:

Barium

hope this helps

have a good day :)

Explanation:

Describe the method to make pure, dry crystals of magnesium sulfate from a metal oxide and dilute acid.

Answers

Answer:

H2SO4(aq) + MgO(s) → H2O(l) + MgSO4(aq)

Explanation:

We must recall that the oxides of metals are bases. These metal oxides can react with dilute acids to yield salt and water.

Bearing that in mind, we want to obtain magnesium sulfate from a metal oxide and dilute acid.

In this case we need magnesium oxide and dilute sulphuric acid. The reaction occurs as follows;

H2SO4(aq) + MgO(s) → H2O(l) + MgSO4(aq)

What is the pH of a solution whose H + concentration is 4.0 10 –9?

Answers

Answer:

he pH of a solution is defined as the negative log10 [H+] ... 1 x 10-11. 11. Acidic Solution. 1 x 10-4. 4. 1 x 10-10. 10. 1 x 10-5. 5. 1 x 10-9.

Explanation:

m

At 500K, the equilibrium constant for the reaction N2O4D2NO2 is 1.5 x 10^3. What is the equilibrium constant for the reaction: 6 NO2 D 3N2O4?

Answers

Answer:

K = 2.96x10⁻¹⁰

Explanation:

Based on the initial reaction:

N2O4 ⇄ 2NO2; K = 1.5x10³

Using Hess's law, we can multiply this reaction changing K:

3 times this reaction:

3N2O4 ⇄ 6NO2; K = (1.5x10³)³ =3.375x10⁹

The inverse reaction has a K of:

6NO2 ⇄ 3N2O4 K = 1/3.375x10⁹;

K = 2.96x10⁻¹⁰

I would appreciate some help please ᕕ( ᐛ )ᕗ
3KOH + FeCl3 → Fe(OH)3 + 3KCl
How many grams of KOH are needed to produce 0.500 moles of KCl?

Answers

Answer:

dont know, will let uk in 2 mins

Explanation:

Explanation:

hope this helps you to understand:)

Un elemento X, del grupo I A, reacciona con un elemento Y, del grupo VI A. Señalar cuáles de las siguientes afirmaciones son correctas y cuáles no, justificando en todos los casos:
a) X es un metal
b) Y es un metal
c) La fórmula del compuesto es XY2
d) El compuesto es iónico

Answers

The answer for this is D

El agua de una alberca requiere de 35.8 gramos de desinfectante (NaClO), por cada 1000 L de agua para mantenerse limpia. El día de hoy el cuidador de la alberca no fue a trabajar y dejó al velador encargado de la adición de desinfectante al agua, pero al velador se le olvidó la cantidad y le agregó 65 g.

Answers

Answer:

816L adicionales para mantener la concentración

Explanation:

Cuánta agua debe adicionar el cuidador para que se mantenga la concentración del desinfectante?

El desinfectante, NaClO, idealmente debe estar en una concentración de:

35.8g / 1000L = 0.0358g/L

Como el velador agregó 65g de desinfectante, la cantidad de agua necesaria es:

65g * (1L / 0.0358g) = 1816L de agua son necesarios

Asumiendo que el velador agregó 1000L, el cuidador debe agregar:

1816L - 1000L =

816L adicionales para mantener la concentración

La aparición del microscopio ha permitido la creación de nuevas áreas de estudio, tanto en la___________________________

Answers

Answer:

En la mejora de la investigación y la medicina.

Explicación:

La aparición del microscopio ha permitido la creación de nuevas áreas de estudio, tanto en la mejora de la investigación como en la medicina. La invención del microscopio nos permite crecer y desarrollarnos en el campo de la investigación y el estudio. Con este microscopio, los científicos pudieron descubrir la estructura de la célula, así como las partículas subatómicas que están presentes dentro del átomo. Gracias a este microscopio, los científicos pudieron crecer y desarrollarse en el campo de la creación de nuevos medicamentos.

the ending of a compounds name that is made up of three elements,one of which is oxygen​

Answers

Answer:

—COOH

Explanation:

—COOH, acid group, containing 3 elements, C, carbon, O, oxygen, and H, hydrogen.

The chemical reaction
2 H2 +O2 → 2 H20 is a:
a. synthesis reaction
b. decomposition reaction
c. single displacement reaction
d. double displacement reaction
e. combustion reaction

Answers

Answer:

double displacement reaction

A student dissolves 0.75 mol NaCl in 3.55kg water. What is the molality of the resulting solution?
A) 10.32 m
B) 0.211 m
C) 68.2 m
*please help

Answers

Answer:

B) 0.211 M

Explanation:

the pH of orange juice is 4.0. what is the hydrogen ion concentration in orange juice ASAP PLEASE

Answers

pH = 4

- log[H+]= 4

[tex][H+] = {e}^{ - 4} [/tex]

[tex][H+] = 54.6[/tex]

The pH of orange juice 4. The concentration of hydrogen of [tex]10^{-4}[/tex].

What is pH

The pH scale, which originally stood for "potential of hydrogen," is being used to describe the acidity or alkalinity of aqueous solutions.

Calculation of concentration of hydrogen ion by using pH formula.

It can be calculated by using the formula.

pH = -log[[tex]H^{+}[/tex]].

[[tex]H^{+}[/tex]] = [tex]10^{-pH}[/tex]

[[tex]H^{+}[/tex]] = [tex]10^{-4}[/tex]

Therefore, the concentration of hydrogen ion  by using pH formula will be    [tex]10^{-4}[/tex].

To know more about pH

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A 16.4L sample of NO2(S) has a density of 1.89 g/L. What is the mass of the sample NO2(s)?

A) 31.0 grams

B) 14.5 grams

C) 8.68 grams

D) 0.115 grams

Answers

Answer:

A. 31.0

Explanation:

Remember the formula [tex]Density = \frac{mass}{Volume}[/tex], or [tex]D=\frac{m}{V}[/tex].

The problem tells us that the density is 1.89 g/L, and that the volume is 16.4 L.(Remember that if the units are in some form of liters, it is volume, similar to how if the units are in grams, it is mass.)

Plug in the numbers for density and volume, and you will get:

[tex]1.89=\frac{m}{16.4}[/tex]

Then, multiply both sides by 16.4 to get:

m = 30.996 g ≈ 31.0 g

Hope this helps!

What are 3 things that
happen to your body when you start exercising
regularly?

Answers

Explanation:

Weight loss and weight maintenance.

Muscle gain.

Improved mood.

Improved heart health.

improved mood
improved heart health
muscle gain
weight loss and weigh maintenance
improved brain function and reduces the risk of dementia
improved your immune system
better sleep




just pick 3

How does a scientist make two solutions with the same molarity?
O A. By dissolving the same number of moles of each substance in the
same volume of water
B. By dissolving the same number of grams of each substance in the
same volume of water
C. By dissolving the maximum amount of each substance in the
same volume of water
D. By dissolving 1 mole of each substance in enough water to make
sure dissolving is complete

Answers

Answer:

a

Explanation:

It's a duh

Heterogéneo de tres fases y un componente.

Answers

Un sistema heterogéneo de 3 fases y 1 componente puede ser:



Sólido (hielo)
Líquido (agua)
Gaseoso (vapor)

Calculate the mols for 4.2g of a Mg

Answers

Answer:

0.175mol

Explanation:

Mole of a substance can be calculated using the formula as follows:

number of moles (n) = mass (m) ÷ molar mass (MM)

According to this question, there are 4.2g of Magnesium (Mg).

Molar mass of Magnesium = 24g/mol, hence, the number of moles of 4.2g of Mg is as follows:

n = 4.2g ÷ 24g/mol

n = 0.175mol

What is stoichiometry?​

Answers

(chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)

Answer:

hope it help u !!!!

Explanation:

Stoichiometry is the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers

What is the physical state of nitrogen at -200c

Answers

Nitrogen, for example, is a gas that liquefies at about −200° C and freezes around −210° C, whereas bismuth is a solid melting at 271° C and boiling at about 1,560° C.

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?
It increases

It decreases

It stays the same

Answers

Answers to the whole assignment:

**Check for proof photos at the bottom.**

**Answers are in bold.**

__________________________________________________________

A child sits on a partially filled balloon and decreases the volume by half. What happens to the pressure inside of the balloon?

A. It increases

For the same balloon, how does the density inside the balloon change?

A. increases

A scientist takes a small, partially inflated balloon out of liquid nitrogen (at a very low temperature). As the balloon rests on the table, it begins to grow in size. Which statement(s) best explains why the balloon grows?

B. The air warms and increases particle movement. Increased particle movement leads to increased volume.

C. Increased temperature means increased volume as long as the container is flexible.

__________________________________________________________

Answer the following questions with or without using a calculator.  

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?  

✔ 11.2 L

A syringe contains 0.10 mol neon gas at STP. What volume does the syringe indicate?  

✔ 2.24 L

A chemist adds 0.10 mol argon gas to the syringe. The pressure and temperature remain constant. What will be the volume on the syringe after the argon is added?  

✔ 4.48 L

__________________________________________________________

Acetylene gas (C2H2) reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water vapor (H2O). How many liters of C2H2 are required to produce 75.0 L of CO2?

37.5  L

What volume of H2O is produced?

37.5  L

What volume of O2 is required?

93.8  L

When making the calculations, did you need to find the number of moles?  

✔ no

Liquid carbon disulfide (CS2) reacts with 44.8 L O2 gas to produce the gases carbon dioxide (CO2) and sulfur dioxide (SO2).  

What is the mass of carbon dioxide produced?

29.3  g

What is the mass of sulfur dioxide produced?

85.4  g

When making the calculations, did you need to find the number of moles?  

✔ yes

__________________________________________________________

Explanation:

The child is putting pressure on the balloon, and squishing particles together when he/she sits on it, thus increasing pressure. Since particles are being squished closer together, density also increases.

Inflated objects will grow in size when the air inside is hotter. This is because particles move more rapidly. An example would be bike tires being more inflated under hot conditions.

One mole of any gas at standard temperature and pressure (STP) will occupy 22.4 L. If pressure increases, the volume decreases, and vice versa. If moles decreases, so will the volume, and vice versa.

Here are photos of Edge just incase.

The pressure inside of the balloon will Increase. Hence The correct option is (A).

What is Boyle's Law ?

According to this law, the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form,

pv = k

Where K = constant.

Initial pressure = P₁Initial volume = V₁Final pressure =P₂Final volume = V₂

If we consider that temperature of the gas which filled inside the balloon is constant.

We know that , at constant temperature

P₁V₁ = P₂V₂

Given that

V₂ = V₁ / 2

P₂ = P₁V₁/V₂

P₂ = P₁V₁/V₁/2

P₂ = 2P₁

Therefore, the pressure inside the balloon will become double.Hence The correct option is (A).

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Write the nuclear equation for the beta decay
of calcium-45.

Answers

Answer:

on https://www.ck12.org/book/peoples-physics-concepts/section/20.1/

Explanation:

it shows for calcium 45 and maybe a possible equation on 3/4th's scroll down?

Please solve this question for me.​

Answers

Answer:

0.0013 moles

Explanation:

moles = volume/ molar volume of gas

=240/24000cm3 (convert dm3 to cm3)

=0.0013

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