CHEMISTRY HIGH SCHOOL

Using less water is one way to practice watera. filtration.
b. distribution.
c. conservation.
d. irrigation.

Answers

Answer 1

Answer:

Answer: Option (c) is the correct answer.

Explanation:

When we avoid wastage of water or overuse of then then it is known as conservation of water.

For example, turning off tap when bucket placed below it is filled with water means avoiding wastage of water.

Whereas over flow of water from the bucket is wastage of water.

Thus, we can conclude that using less water is one way to practice water conservation.

Answer 2

Answer: Using less water is one way to practice c. conservation. That would come in handy for a drought :D. Hope this helps and have a good day!

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The solubility of Silver Bromide is 13.5x10-5 g/L. What is the Ksp?
Potassium hydroxide is classified as an Arrhenius base because KOH contains(1) OH- ions (2) O2- ions (3) K+ ions (4) H+ ions

22 The compounds CH3OCH3 and CH3CH2OH have different functional groups. Therefore, these compounds have different(1) chemical properties
(2) gram-formula masses
(3) percent compositions by mass
(4) numbers of atoms per molecule

Answers

Answer:

(1) chemical properties

Explanation:

CH3OCH3 is dimethyl ether while CH3CH2OH is ethanol.

Both compounds have the same molecular formula i.e. C2H6O but different structural formula, therefore they are structural isomers. Since they have different functional groups i.e. ether (-OR) and alcohol (-OH), they will have different chemical properties.

The gram formula mass for both compounds is the same i.e. 46 g/mol. Based on their chemical formula, both will have the same percent compositions by mass as well as the same number of atoms per molecule.

(1) chemical properties is the correct answer.
These two compounds are also called isomers.
Hope this helps~

Select the three types of cells in the blood.blue
red
black
white
platelets
round

Answers

Red white and plantelets hope it helps =)

Three selected types of cells in blood are Red White Round

If you determined that the volume of a silver bar is 100.mL,how many atoms of silver would be in the bar? The density of silver is 10.5g/mL. 271

Answers

There are approximately $5.86 \ * \ 10^(24) atoms$ of silver in the 100 mL silver bar.

To determine the number of atoms in a silver bar, you can follow these steps:

Calculate the mass of the silver bar:

Mass (g) = Volume (mL) x Density (g/mL)

Mass = 100 mL x 10.5 g/mL = 1050 g

Calculate the molar mass of silver (Ag):

The molar mass of silver (Ag) is approximately 107.87 g/mol.

Calculate the number of moles of silver in the bar:

Moles = Mass (g) / Molar Mass (g/mol)

Moles = 1050 g / 107.87 g/mol ≈ 9.73 moles

Calculate Avogadro's number:

Avogadro's number is approximately $6.022\ * \ 10^(23) atoms/mol.$

Calculate the number of silver atoms in the bar:

Number of atoms = Moles x Avogadro's number

Number of atoms = $9.73\ moles \ * \ 6.022 \ * \ 10^(23) \ atoms/mol \approx 5.86 \ * \ 10^(24) atoms$

Thus, there are approximately $5.86 \ * \ 10^(24) atoms$ of silver in the 100 mL silver bar.

For more such questions on silver:

brainly.com/question/18510431

#SPJ6

10.5 g/mL * 100 mL = 1050 g of silver

1050 g silver * ( 1 mol silver/107.8682g) = 9.734 mol silver

9.734 moles silver * 6.022E23 atoms/ mole = 5.861E24 atoms of silver

Where molar mass if silver = 107.8682g/mol
Avogadro's number = 6.022E23 atoms/moles

The atmosphere's variable gases that most influence the greenhouse effect are _____. nitrogen and oxygen argon and carbon dioxide carbon dioxide and water vapor water vapor and ozone

Answers

The correct answer is carbon dioxide and water vapor

These negative gasses get modified and then remain in the atmosphere without the possibility of leaving, which is why the greenhouse effect occurs.

Answer;

Carbon dioxide and water

The atmosphere's variable gases that most influence the greenhouse effect are carbon dioxide and water.

Explanation;

Green house effect is a phenomenon where the radiation from the atmosphere of the earth warms the surface of the earth to a temperature above what it would be. It occurs when the atmosphere traps heat radiating from the earth towards the space.
Certain gases in the atmosphere block the heat from escaping, these gases are called the green house gases. These gases contribute to the green house effect, they include, water vapor which is the most abundant green house gas, carbon dioxide a very important component of the atmosphere, methane, nitrous oxide, CFCs, etc.

According to the wave-mechanical model of the atom, an orbital is a region of the most probable location of(1) an alpha particle (3) an electron
(2) a gamma ray (4) a proton

Answers

with the advancement of science, electrons seemed to possess both particle and wave nature.
this is called the dual nature where electrons have both particle and wave properties.
earlier it was believed that electrons used to orbit around the nucleus in orbits.
Later it was found that electrons do not have fixed positions, the exact momentum and position of electrons cannot be determined at the same time
therefore the wave mechanical model was introduced which introduced orbitals.

Orbitals are spaces in which electrons are most likely to be found. These regions have the highest probability of an electron being found here.

correct answer is 3) an electron

That would be (3) an electron

Research about the reaction of baking soda and vinegar