What is ph? And explain where it can be used

Answers

Answer 1

Answer: PH is a measure of hydrogen(colorless, odorless) concentration of solutions. Ph is in solutions for an example like spray to clean the kitchen counter or table.These things have color and are odorless after a while.

Related Questions

The degree of polarity of a chemical bond in a molecule of a compound can be predicted by determining the difference in the(1) melting points of the elements in the compound (2) densities of the elements in the compound (3) electronegativities of the bonded atoms in a molecule of the compound (4) atomic masses of the bonded atoms in a molecule of the compound
An atom of which element has the strongest attraction for electrons? A) Ba B) Cs C) O D) F
Which of the following compounds is a structural isomer of butane?a. 2-methylbutane c. 2-methylpropane b. 2,2-dimethylbutane d. 2,2-diethylpropane
49 After decaying for 48 hours, l/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this radioisotope?(1) 3.0 h (3) 12 h(2) 9.6 h (4) 24 h
If a pH of water is 5.3 then 4.3 is it 1.0 less acidic 1.0 less basic

What do atoms form when they bond chemically?a. atom
b. mixture
c. solution
d. molecules

Answers

They form molecules which can be in solution form if diluted in water, but some do form solutions on exposure to the atmosphere i.e they are deliquescent like pellets of sodium hydroxide

How many grams of water will form if 10.54 g H2 react with 95.10 g O2

Answers

Answer : The amount of water will be, 94.86 grams

Solution :

First we have to calculate the moles of $H_2$ and $O_2$ .

$\text{Moles of }H_2=\frac{\text{Mass of }H_2}{\text{Molar mass of }H_2}=(10.54g)/(2g/mole)=5.27moles$

$\text{Moles of }O_2=\frac{\text{Mass of }O_2}{\text{Molar mass of }O_2}=(95.10g)/(32g/mole)=2.97moles$

Now we have to calculate the limiting and excess reagent.

The balanced chemical reaction is,

$2H_2+O_2\rightarrow 2H_2O$

From the balanced reaction we conclude that

As, 2 moles of $H_2$ react with 1 mole of $O_2$

So, 5.27 moles of $H_2$ react with $(5.27)/(2)=2.63$ moles of $O_2$

That means, in the given balanced reaction, $H_2$ is a limiting reagent because it limits the formation of products and $O_2$ is an excess reagent.

The excess reagent remains $(O_2)$ = 2.97 - 2.63 = 0.34 moles

Now we have to calculate the moles of $H_2O$ .

As, 2 moles of $H_2$ react with 2 moles of $H_2O$

So, 5.27 moles of $H_2$ react with $(2)/(2)* 5.27=5.27$ moles of $H_2O$

Now we have to calculate the mass of $H_2O$ .

$\text{Mass of }H_2O=\text{Moles of }H_2O* \text{Molar mass of }H_2O$

$\text{Mass of }H_2O=(5.27mole)* (18g/mole)=94.86g$

Therefore, the amount of water will be, 94.86 grams

Answer:

94.03

Explanation:

edge 2023

Which substance is an electrolyte?
(1) CH3OH (3) H2O
(2) C6H12O6 (4) KOH

Answers

Answer:

The answer is 4) KOH

Explanation:

Electrolytes are substances which ionize when dissolved in water. They are classified as:

Strong electrolyte: Which completely ionize when in water. Eg: NAOH, KOH (produces K+ and OH- ions when dissolved in water)

Weak electrolyte: partially ionize when in water. Eg: Acetic acid

Non-electrolyte: Do not ionize at all in water. Eg: Alcohols such CH3OH, sugars such as glucose (C6H12O6).

KOH is an electrolyte. Therefore, option (4) is correct.

Electricity flows via water-dissolved materials. Ions in a solution conduct electricity.The options:When dissolved in water, methanol (CH3OH) does not form ions.2. C6H12O6 (Glucose): It does not dissolve into ions in water, hence it is not an electrolyte.

Water doesn't dissolve into ions, hence it's not an electrolyte.4. Dissolved in water, potassium hydroxide (KOH) forms ions (K+ and OH-), making it an electrolyte. Therefore, KOH as an electrolyte is the correct option.

Learn more about electrolytes, here:

brainly.com/question/32477009

#SPJ6

What mass of anhydrous solute is needed to prepare 500 mL of 0.032 M NaF(aq)? Answer in units of g.

Answers

Volume 500 mL in liters : 500 / 1000 = 0.5 L

Molar Mass NaF = 41.98 g/mol

Molarity = 0.032 M

Mass = Molarity * molar mass * volume

Mass = 0.032 * 41.98 * 0.5

= 0.67168 g of NaF(aq)

hope this helps!

At stp how many liters of oxygen are required to react completely with 3.6 liters

Answers

If it is assumed that this reaction is taking place at STP (standard temperature and pressure) then one mole of gas occupies 22.4L

You can then calculate that 3.6L of Hydrogen contains 0.16mol
1mol/22.4L x 3.6L = 0.16mol

Every 2 moles of Hydrogen require 1 mole of oxygen to form water. Therefore half of the number of moles of oxygen are required.
0.16mol/2 = 0.08mol

Again, we know that at STP 1 mol occupies 22.4L
0.08mol x 22.4L/mol = 1.79L of O2 needed.

Also 3.6/2 = 1.8 All ideal gasses will occupy the same ammount of space at STP

What determines an element's chemical properties

Answers

An element's chemical properties are determined by the number ofelectrons .

How do electrons determine chemical properties?

The number of electrons determine chemical properties of an atom as they are present in equal number outside the nucleus as that of protons .Protons contribute to the mass of an atom and give an identity to an atom .

As protons are positively charged there is a need to balance this positive charge and it is balanced by an equal number of electrons .As the valence electrons are the electrons which take part in chemicalreactions the element's chemical properties are determined by the number of electrons.

The number of neutrons has a negligible effect on the chemical nature of elements as they are neutral and have no charge.Indirectly, it's the electronic configuration of an element which determines the chemical properties of any element.

To learn more about chemical properties of elements click here:

brainly.com/question/1935242

#SPJ2

The three factors determine the chemical properties of an element:
The number and arrangement of electrons in an atom
The number of valence electrons
The number and arrangement of electrons

Other Questions

A deer that grazes on grasses would be considered a decomposer primary consumer tertiary consumer secondary consumer

In chemistry, there are three commonly encountered theories to explain what acids and bases are and what they do. Name these theories and describe what each one states about acids and bases. Give an example to help describe each of the types. Make sure to explain how these theories differ from each other. (Properties of Acids and Bases)

Light of three different wavelengths—325 nm, 455 nm, and 632 nm—is shined on a metal surface. The observations for each wavelength, labeled A, B, and C, is as follows: Observation A: No photoelectrons were observed. Observation B: Photoelectrons with a kinetic energy of 155 kJ/mol were observed Observation C: Photoelectrons with a kinetic energy of 51 kJ/mol were observedWhich observation corresponds to which wavelength of light?

What is the molar mass of ph