Here anwser questions 2 ,4,6 those charts okay I also put how the formula on top solve these problems ! Please help me I geniunuly don’t understand this concept if you do I will mark you brainliest I don’t understand :( ! please don’t scam me I’m helpless

Answer:

If a substance can be dissolved it is called soluble.

if a substance cannot be dissolved it is called insoluble

Answer:

An atom with a neutral charge has an equal number of protons and electrons.

Explanation:

The three main subatomic particles in the atom are neutrons, protons and electrons.

Protons are positively charged particles, electrons are negatively charged particles while neutrons are not charged particles.

An atom is neutral if the number of protons and electrons are equal. This is the condition for neutrality in the atom.

The number of protons will be the same for all isotopes of Carbon.  Options A and C are correct.

What made an atom?

An atom is made up of central nucleons (positive protons and neutral neutrons) and surrounding negatively charged electrons.

In a neutral atom, the number of electrons and protons is the same because opposite charges neutralize each other.

The number of protons is the same in all isotopes of an element because changing the proton changes the identity of the element.

Therefore, the number of protons will be the same for all isotopes of Carbon.

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Answer:condensation

Condination

Explanation:

Answer:

1. In 0.0250 moles of potassium chromate there are 0.05 moles of potassium , 0.025 moles of chromium and 0.1 moles of oxygen are present.

2. In 4.50 moles of ammonium carbonate there are 9 moles of ammonium ions and 4.5 moles of carbonate ions are present.

Explanation:

1.

Moles of potassium chromate = 0.0250 mol

Formula of potassium chromate = [tex]K_2CrO_4[/tex]

1 mole of potassium chromate has 2 moles of potassium , 1 mole of chromium and 4 moles of oxygen.

Then in 0.0250 moles of potassium chromate:

Moles of potassium will be:

[tex]2\times 0.0250 mol= 0.05 mol[/tex]

Moles of chromium will be:

[tex]1\times 0.0250 mol= 0.025 mol[/tex]

Moles of oxygen will be:

[tex]4\times 0.0250 mol= 0.1 mol[/tex]

2.

Moles of ammonium carbonate = 4.50 mol

Formula of ammonium carbonate =[tex](NH_4)_2CO_3[/tex]

1 mole of ammonium carbonate has 2 moles of ammonium ion and 1  mole of carbonate ion.

Then in 4.50 moles of ammonium carbonate:

Moles of ammonium ion will be:

[tex]2\times 4.50 mol= 9mol[/tex]

Moles of carbonate ions will be:

[tex]1\times 4.50 mol= 4.5 mol[/tex]

Answer:

metal and nonmetal it always include

Answer:

Explanation:

The pH of a solution can be found by using the formula

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

From the question we have

[tex]ph = - log(9.3 \times {10}^{ - 11} ) \\ = 10.0315...[/tex]

We have the final answer as

Hope this helps you

Answer:The relationship between acid strength and the pH of a solution. ... Typical concentrations of these ions in solution can be very small, and they also ... Acidic solutions have pH values less than 7, and basic solutions have pH values ... p, O, H, end text, it is a little more common to use pH \text{pH} pHstart text, p, H, end text.

Explanation:Therefore a strong acid will contribute more H+ ions than a weak acid. Therefore, the pH of a strong acid solution will be higher than a weak acid solution.

Answer:

There are 3 elements, Sodium, Carbon, and oxygen. There are 2 Sodium atoms 2*2=4, one carbon, and 3 Oxygen so 4+1+3=8 total atoms. one compound CO3  

Explanation:

that's all I know

Answer:

they are all planets

Explanation:

Answer:

I would say the purple one!

Explanation:

Answer:

(ii) 1 dye

(iii) Food coloring F is insoluble in the solvent

(iv) 'E' and 'H'

(b) Food colouring G

Explanation:

Paper chromatography principle is based on the rates of migration of chemicals across a sheet of paper which are different and it consists of a stationary phase such as the water in the paper and a mobile phase such as the solvent resulting in the partitioning of the components of the mixture across the paper

The solution components are positioned to start in one place from where they migrate and separate out on the chromatography paper

(ii) The number of components into which the food colouring 'H' separates into = 1

Therefore, the number of dyes in food colouring 'H' = 1 dye

(iii) Food coloring 'F' does not move because it is insoluble in the solvent, which is the mobile phase

(iv) The food colouring that contains the dye that is likely to be most soluble in the solvent are does for which the dyes travel furthest, which are;

Food coloring 'E' and 'H'

(b) Using a similar question solution found on 'tutor my self' website, we have;

The [tex]R_f[/tex] values are given as follows;

[tex]R_f = \dfrac{Distance \ moved \ by \ dye}{Distance \ moved \ by \ solvent}[/tex]

The distance moved by the solvent = 5 units

The distance moved by dyes in food colouring 'E' and 'H' = 4 units

The distance moved by dye in food colouring 'G' = 3.3 units

The distance moved by the second dye in food colouring 'E' = 2.7 units

By inspection, we get;

[tex]R_f[/tex] dye in food colouring 'G' = 3.3/5 = 0.66,

Therefore, the dye with [tex]R_f[/tex] value closest to 0.67 is the dye in food colouring 'G'.

Answer: Least Common Multiplier of a6m, 0.003 moles 0.01elamos

Steps 6m, 0.003 moles

Compute an expression comprised of Factors that appear either in a6m or 0.003 moles

= 0.018elamos

Explanation:

Taking into account the definition of molarity,  0.005 liters of a 6.0 M solution of acetic acid contain 0.0030 moles​.

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

[tex]molarity=\frac{number of moles}{volume} [/tex]

Molarity is expressed in units [tex]\frac{moles}{liters} [/tex].

In this case, you have a 6.0 M solution of acetic acid that contain 0.0030 moles​. Replacing in the definition of molarity:

[tex]0.6\frac{moles}{liters} =\frac{0.0030 moles}{volume} [/tex]

Solving:

0.6 [tex]\frac{moles}{liters} [/tex]× volume= 0.0030 moles

volume= 0.0030 moles ÷0.6 [tex]\frac{moles}{liters} [/tex]

volume=0.005 liters

Finally, 0.005 liters of a 6.0 M solution of acetic acid contain 0.0030 moles​.

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Answer: The statement, chemicals that you begin with found on the left side of the equation, describes reactant and where they are in a chemical equation.

Explanation:

An equation that includes symbolic formulas and represents chemical reaction between the substances initially present forming new substances is called a chemical equation.

For example, [tex]N_{2} + 3H_{2} \rightarrow 2NH_{3}[/tex]

Here, substances [tex]N_{2}[/tex] and [tex]H_{2}[/tex] are the reactants. Reactants in a chemical equation are always present on the left side as these are the chemicals we begin with.

Also here, [tex]NH_{3}[/tex] is the product. Product(s) in a chemical equation are always present on the right side as these are the chemicals we end with.

Thus, we can conclude that the statement, chemicals that you begin with found on the left side of the equation, describes reactant and where they are in a chemical equation.

Answer:

volume is how much an object can hold, pressure is the force the pushes things into the center, and temperature, if extreme heat can cause pressure. and volume of an object can hold certain amounts of pressure from temperature.

Explanation:

Answer: (A) a cobalt atom contains 27 protons, and most cobalt atoms contain 32 neutrons.

Explanation: just answered the question and that was the correct answer

Answer:     The answer is :     A cobalt atom contains 27 protons and MOST  neutral cobalt atoms contain 32 electrons

Explanation:   I took the test

Answer:

Yes.

Explanation:

Yes, I think that Barcelona has large temperature changes throughout the year because Barcelona has minimum temperature of 33°F in winter season and maximum temperature of 88°F in summer season. In Barcelona, the summers are short, warm, and humid while on the other hand, the winters in Barcelona are long, cold, and partly cloudy. The temperature typically varies from 40°F to 83°F and is rarely goes below 33°F or above 88°F.

Answer:

Colony

Explanation:

Answer: depositing

Explanation:

Answer:

324.554 K

Explanation:

Which can be converted back to °C by subtracting 273

Once again thus answer can be found using the gas law P1/T1 =P2/T2

Remember to convert to Kelvin before doing the calculations by adding 273

Answer: Mg and O

Explanation: just took the test. Trust

Answer:

A

Explanation:

Your answer would be A because Earth is formed from cold gases collapsing due to gravity. The Solar System was formed when a huge amount of dust and gas began to collapse under its own gravity, and as the cloud collapse it started to spin causing the material within the cloud to gather into a swirl and then formed into planets and as the planets are formed they kept this spinning motion.

Answer:

C.

Explanation:

C represents butane ([tex]C_{4} H_{10}[/tex])

The statement, that describes the following represent C₄H₁₀ is "C."

Butane, often known as n-butane, is an alkane having the formula C₄H₁₀. At room temperature and atmospheric pressure, butane is a gas. Butane is a highly flammable, colourless gas that vaporises quickly at ambient temperature.

Butane is derived from the root but- and the suffix -ane. It is a straight chain alkane with four carbon atoms. That is, the C₄H₁₀ structure has four carbon atoms bonding with ten hydrogen atoms, all of which are bonded with single bonds.

Hence the correct option is C.

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