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Answer:

This can be represented by the chemical equation: NaOH H2O→ OH- + Na.

Answer:

The law companies that value excessive ethics comply with the legal guidelines

Answer:

.08 L or 80 ml

Explanation:

Use the equation V/t = V/t.

.04L / 150K = V / 300K

.04 / 150 * 300 = V

.08 L or 80 ml

Answer:

3) 1.25

Explanation:

I had the same question and somehow got it right :)

The new volume will be determined by molarity and which will be  1.25 ml.

The volume of an object is just a measurement of how much space it takes up.

The molality refers to the moles of a solute in relation to the mass of the solvent, whereas the molarity refers to the moles of a solute in based on the volume of the solution. It can be denoted by M.

The formula of Molarity is

[tex]M_{1} V_{1} =M_{2}V_{2}[/tex]

where, M is molarity and V is volume.

Calculation of volume.

It is given that,[tex]M_{1} = 0.1 M, M_{2} =0.0025 M.[/tex]

Now, puts the value of given data in molarity equation.

[tex]M_{1} V_{1} = M_{2} V_{2}[/tex]

[tex]V_{1} = M_{2} V_{2} /M_{1}[/tex]

[tex]V_{1}[/tex] = 0.005×25/0.1 = 1.25 ml

Therefore, the correct answer will be option 3.

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Answer:

The same amount of two different liquids you used in the container will have different densities because they have different masses. The liquids that weigh more (a higher density) will sink below the liquids that weigh less (a lower density).

Material: Density (g/cm3)

Light Corn Syrup: 1.33

Vegetable Oil: 0.92

Explanation:

Science

Answer:

86.85°C

Explanation:

K = °C + 273.15

360K − 273.15 = 86.85°C ≈ 87°C

Answer:

The molecule has 3 carbon atoms.

Explanation:

In the number 48.93, the digit that is estimated is the digit "9."

In the number 48.93, the digit "9" is estimated because it falls after the decimal point. When a decimal number, the digits to the right of the decimal point represent fractional or decimal values.

These digits can be estimated or rounded to a certain degree of accuracy, depending on the context or the desired level of precision.

The digit "9" is the last digit after the decimal point, it is likely an estimated value. It means that the actual value could be slightly higher or lower than 9, depending on the level of precision required.

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Answer:

I have no idea but I think its 15 ;-;

Explanation:

Answer:

Cl₂ the limiting reactant.

6.67g of AlCl₃ can be produced.

83.5% is percent yield

Explanation:

Based on the reaction:

2 Al + 3Cl₂ → 2AlCl₃

2 moles of aluminium react with 3 moles of chlorine.

To solve this question we must find the moles of each reactant in order to find limiting reactant. With limiting reactant we can find theoretical yield. Percent yield is:

Actual yield (5.57g) / Theoretical yield * 100

That means if we find theoretical yield we can find percent yield:

Moles Aluminium: 26.98g/mol

3.11g * (1mol / 26.98g) = 0.115 moles Al

Moles Chlorine: 70.90g/mol

5.32g * (1mol / 70.90g) = 0.075 moles Cl₂

For a complete reaction of 0.075 moles of Cl₂ are required:

0.075 moles Cl₂ * (2mol Al / 3mol Cl₂) = 0.050 moles of Al

As there are 0.115 moles of Al, Aluminium is the excess reactant and Cl₂ the limiting reactant.

Moles AlCl₃ and mass: 133.34g/mol

0.075 moles Cl₂ * (2mol AlCl₃ / 3mol Cl₂) = 0.050 moles of AlCl₃

0.050 moles of AlCl₃ * (133.34g / mol) =

Percent yield:

5.57g / 6.67g * 100 =

Answer:

Explanation:

An example of binary compund is ZnI2 is zinc iodide

Answer:

https://sciencenotes.org/what-is-a-binary-compound-definition-and-examples/

Explanation:

https://sciencenotes.org/what-is-a-binary-compound-definition-and-examples/

Answer: 2 moles

Hydrogen has an atomic mass of 1.008 g/mol and oxygen has an atomic mass of 15.9993 g/mol. According to the formula there are 2 moles of hydrogen and 2 moles of oxygen in each hydrogen peroxide molecule.

Answer:

When the candle is lit and burning, it has kinetic energy.

Explanation:

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Answer:

For example, N2O4 is referred to as dinitrogen tetroxide, not dinitrogen tetraoxide, and CO is called carbon monoxide, not carbon monooxide.

...

Binary molecular (covalent) compounds.

Prefixes used in chemical nomenclature

prefix number of atoms

tetra- 4

penta- 5

hexa- 6

Explanation:

Answer:

i couldnt draw it but here is a picture

Explanation:

Answer:

The equilibrium law

Explanation:

According to the equilibrium law , when [tex]$\text{concentration}$[/tex] of any of the  reactants or the products in the reaction at an equilibrium state,  is changed, then it changes the composition of equilibrium mixture in order to minimize the effect of

Acetic acid (in excess) + [tex]$\text{alcohol}$[/tex] ⇄  [tex]$\text{ester}$[/tex] + water

[tex]$\text{Fischer esterification}$[/tex] is a reaction which involves the equilibrium. So to force the reaction towards the side of [tex]$\text{ester}$[/tex], one of the reactant is taken in excess. All this can be explained easily by applying the equilibrium law.

Answer:

I think number4.Nuclear fusion reaction is not possible in earth

Nuclear fusion and nuclear fission both have common to temperatures over one million degrees Celsius are needed for the reaction to occur. Therefore, option 4 is correct.

A reaction known as nuclear fusion occurs when two or more atomic nuclei fuse to create new atomic and subatomic particles. Energy is released or absorbed depending on how much mass there is between the reactants and products.

Nuclear reactions that involve fusion and fission both yield enormous quantities of energy that can be used to generate power.

The two heavy isotopes of hydrogen, deuterium and tritium, are the primary fuels used in nuclear fusion. Only 0.0153% of natural hydrogen is deuterium, which may be easily and cheaply produced from seawater. Lithium, which is also widely distributed in nature, can be used to create tritium.

Thus, option 4 is correct.

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Answer:

Atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant. Down a group, the number of energy levels (n) increases, so there is a greater distance between the nucleus and the outermost orbital.

Explanation:

Explanation:

For the moment we have analyzed the physical point of view. For many, the most common way to analyze your body is through the chemical elements.

This increases the number of building blocks to more than four particles, but considering that the number of atoms in a 70 kilogram body is 7,000 quadrillion (you write a 7 followed by 27 zeros), it is still quite simple that we can count the 99.95% of your body weight with only seven elements.

The provocative alternative theories to the Big Bang that state that the universe has no limits

You may have heard that most of our body is water. It may seem unlikely given how solid our bodies feel, but most of you are made of cells filled with water.

There is enough structure that you are unlikely to slide down the drain, but you do have a lot of water. About 60 percent of your body is water, even your bones are roughly 30% water.

Two skeletons sitting on the beach.

IMAGE SOURCE, GETTY IMAGES

Caption,

The bones have 30% water in their composition.

Knowing that water is made up of hydrogen and oxygen (H2O), it seems clear to point out that the elements most present in the body are hydrogen and oxygen.

But there is also much of the most versatile of atoms, carbon. All life we know incorporates water and is based on carbon structures.

Since carbon atoms weigh 12 times more than hydrogen atoms, carbon ranks second by weight behind oxygen.

The thing would be like this: we have 65% oxygen, 18% carbon and 10.2% hydrogen.

If we add a small amount of nitrogen (3.1%), a pinch of calcium for those bones (1.6%), 1.2% of phosphorus, 0.25% of potassium and sulfur and smaller percentages of sodium, magnesium and chlorine, we already reached 99.95

Answer:

Because it desolves in water very well

Answer:

PCl3 + 3H2O → HPO(OH)2 + 3HCl. Phosphorus(III) chloride react with water to produce phosphorous acid and hydrogen chloride.

Explanation:

Answer:

the answer is stop studying,enjoy your life,party all night,bite like a dog and purr like a cat thats it

Explanation:

i dunno

Answering so you can give the other person brainliest!

Answer:

A or C

Explanation:

Answer:

are made up of one or  more cells

Explanation:

A cell is the building block of life of any organism. Therefore, an organism simply cannot exist if it has no cells

Answer:

hco3

Explanation: bc i said so

Answer:

Hydrocarbons in which carbon atoms are connected by only single bonds in straight chains or branched chains are called

a. alkanes.

Answer:

The most acidic solution had a pH of 3.27.

Explanation:

In order to solve this problem we need to keep in mind that the lower the pH of a solution is, the more acidic the solution is.

If among the pH readings across the measured breakfast drinks, the lowest one was 3.27 (as the problem tells us with the range), then that drink was the most acidic one.

Conversely, the least acidic one had a pH of 3.88.

Answer:

The first one

Explanation:

Both the products and reactants in the first equation have the same number of moles and will not be affected by a change in volume.