What is the name of the hydrocarbon that has 5 carbon and 10 hydrogen?

Answer:

90g

Explanation:

I hope this helps plz give brainliest ! :D

The compound is formed by 1 atom of gold and 3 atoms of chlorine.

In this case, the gold atom must have a charge of +3 in order to have a compound with a net charge of zero because the molecule Cl3 has a charge of -3. This is why the name of the compound is Gold(III) Chloride.

Answer:

Endoplasmic reticulum

Explanation:

1. Part A: The value of Ka for lactic acid is 1.44 x \(10^{-4}\).

2. Part B: The value of pKa for lactic acid is 3.84

To find the value of Ka for lactic acid, follow these steps:

Step 1: Write down the given information:

Step 2: Calculate the concentration of \(H^{+}\) ions using the pH formula:

pH = -log[\(H^{+}\)]

2.42 = -log[\(H^{+}\)]

[\(H^{+}\)] = \(10^{-2.42}\) ≈ 3.80 x \(10^{-3}\) M

Step 3: Write the balanced equation for the ionization of lactic acid:

\(C_{3}H_{6}O_{3}\) (aq) ↔ \(H^{+}\) (aq) + \(C_{3}H_{5}O_{3}^{-}\) (aq)

Step 4: Assume that the concentration of \(H^{+}\) ions is equal to the concentration of \(C_{3}H_{5}O_{3}^{-}\) ions, as they are produced in a 1:1 ratio:

[\(C_{3}H_{5}O_{3}^{-}\)] = [\(H^{+}\)] ≈ 3.80 x \(10^{-3}\) M

Step 5: Calculate the value of Ka using the expression for the equilibrium constant:

Ka = [\(H^{+}\)][\(C_{3}H_{5}O_{3}^{-}\)] / [C3H6O3]

Since [\(H^{+}\)] ≈ [\(C_{3}H_{5}O_{3}^{-}\)], we can use the same value for both:

Ka ≈ (3.80 x \(10^{-3}\))^2 / (0.10 - 3.80 x \(10^{-3}\))

Ka ≈ 1.44 x \(10^{-4}\)

Thus, the value of Ka for lactic acid is approximately 1.44 x \(10^{-4}\).

To find the value of pKa for lactic acid, use the following formula:

pKa = -log(Ka)

pKa = -log(1.44 x \(10^{-4}\))

pKa ≈ 3.84

Thus, the value of pKa for lactic acid is approximately 3.84.

Learn more about lactic acid:

https://brainly.com/question/10948414

#SPJ11

Answer:39+30

Explanation:

creativity is the very element in science that helps us understand things. if we didn't have creative minds, we would never conduct experiments that help us discover things.

hope this helps, good luck!:)

Answer:

Elements that are metals tend to lose electrons and become positively charged ions called cations. Elements that are nonmetals tend to gain electrons and become negatively charged ions called anions. Metals that are located in column 1A of the periodic table form ions by losing one electron.

Explanation:

hope it helps!

The given substance is a mixture.

A mixture in chemistry is a compound made up of two or more simpler components. Compounds or chemical elements can be these items. You can create a mixture of liquids, solids, or gases. For instance, sugar dissolves to produce a solution when it is added to water, forming a mixture first.

A combination that has an uneven makeup is said to be heterogeneous. It is referred to be a heterogeneous mixture when two components are combined but remain distinct from one another. Examples of heterogeneous mixtures: One such mixture is concrete.

To know more about mixture you may visit :

https://brainly.com/question/24898889

#SPJ4

Answer:

81.3 a

Explanation:

Just search up answers on wolframalpha.com

\(\huge{\boxed{\mathfrak{answer}}}\)

Study of the absorption and emission of light and other radiation by matter, as related to the dependence of these processes on the wavelength of the radiation.

\(\underbrace\mathrm\red{hope \: its \: help \: you}\)

Diatoms are single-celled algae that have a silica (silicate) shell called a frustule.

Diatoms are photosynthetic organisms and are known for their intricate and diverse shapes. Diatoms are commonly found in freshwater and marine environments and play a significant role in the global carbon cycle.

Micrite is a fine-grained carbonate sedimentary rock composed of tiny carbonate particles. It forms through the precipitation and accumulation of carbonate minerals, such as calcite or aragonite, in marine environments. In the case of chalk, which is primarily composed of microscopic fragments of calcium carbonate from marine organisms, recrystallization can occur at the ocean bottom under specific conditions, leading to the formation of micrites.

Therefore, it's important to note that chert, marble, and quartzite are not the typical products of recrystallization of chalk at the ocean bottom.

For more details regarding diatoms, visit:

https://brainly.com/question/11446176

#SPJ4

Answer:

chloride

Explanation:

based on the naming rule of ions Chlorine is out of the picture chlorate is also out of the picture since it is a positively charged ion and chlorite is also out of the picture since it is a compound of Chlorine and Oxygen

Considering the rules for naming ions, chloride is a negative monoatomic ion.

Suffixes give us an idea of the nature of the elements and ions.

Considering the rules for naming ions, chloride is a negative monoatomic ion.

You can learn more about naming ions here: https://brainly.com/question/14929591

Answer:

2

Explanation:

1. Take 2-3 crystals of potassium permanganate and dissolve them in 100 mL of water.

2. Take out approximately 10 mL of this solution and put it into 90 mL of clear water.

3. Take out 10 mL of this solution and put it into another 90 mL of clear water.

4. Keep diluting the solution like this 5 to 8 times.

5. Is the water still coloured?

Answer:

What? What? What? huhuhuhu

Answer:

The mass of chlorine to react completely with 5.0  moles of aluminum is 531.75 grams.

Explanation:

Aluminum reacts with chlorine gas to form aluminum chloride through the following reaction, which is balanced (In a chemical equation, the number of atoms of each element in the reactants must be equal to the number of atoms of each element in the products In order to comply with the Law of Conservation of Mass, that is, in a chemical reaction the mass remains constant, that is, the mass that is consumed from the reactants is the same as that obtained from the products of the reaction):

2 Al + 3 Cl₂ ⇒ 2 AlCl₃

The rule of three is a way of solving problems of proportionality between three known values ​​and one unknown, establishing a proportionality relationship between all of them. A proportionality is direct when one magnitude increases the other also does it, and if the magnitude decreases the other in the same way. In this case, the rule of three, knowing a, b and c and with x being the unknown, is applied as follows:

a ⇒ b

c ⇒ x

So \(x=\frac{c*b}{a}\)

In this case the rule of three can be applied as follows: if by stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction) 2 moles of aluminum react with 3 moles of chlorine, 5 moles of aluminum with how many moles of chlorine do they react?

\(moles of chlorine=\frac{5 moles of aluminum*3 moles of chlorine}{2 moles of aluminum }\)

moles of chlorine= 7.5

Since the molar mass of the gas Cl2 is 70.9 grams/mole, you can apply the following rule of three: if 1 mole has 70.9 grams, 7.5 moles, how much mass does it have?

\(mass of chlorine=\frac{70.9 grams*7.5 moles}{1 mole}\)

mass of chlorine= 531.75 grams

The mass of chlorine to react completely with 5.0  moles of aluminum is 531.75 grams.

The fraction of chromium in cr(h2o)w21(oh)21 is 0.000185.

Regardless of how strong or weak an acid is, it dissociates into water in a similar way.

H+ A -> H A-.

Its dissociation constant value is influenced by the acid's Ka value, which is defined as the acid's dissociation constant. If Ka is higher, the acid is more acidic, and vice versa if pKa is higher, the acid is more acidic.

More pKa is equal to -log(Ka), so if Ka is 10 then pKa is -1, and if Ka is 1000 then pKa is -3, meaning that the less acidic the solution is, the more pKa there is.

Consider that I had an acid with a C initial concentration. If a certain amount of A dissociates upon equilibrium, I obtain the equilibrium concentration of the acid as C-A and the equilibrium concentration of both H and the conjugate (Ac-) as A. because their stoichiometric coefficients are nearly equal for both.

You can write the Ka expression as follows using this information.

Ka is equal to [H] [Ac-] / [HAc].

A * A / C-A results from substitution.

Fraction of chromium= Ph/Pk

=0.010/53.80=0.000185.

To learn more about stoichiometric coefficients -

https://brainly.com/question/15047541

#SPJ4

A solution is defined as a mixture of two or more substances, usually, a solute and a solvent, and the difference between these two are in quantity, solute represents the smallest amount and solvent will represent the highest amount, and while you can have more than one solute, you can only have one solvent for a solution. Therefore the statement is true

Answer:

I believe the answer is A

1.565 moles of K₂O will be formed when 3.13 moles of K reacts with O₂.

A mole is a unit of measurement used in chemistry to express the amount of a substance. It is defined as the amount of a substance that contains the same number of particles (atoms, molecules, or ions) as there are in 12 grams of carbon-12. One mole of a substance contains Avogadro's number of particles, which is approximately 6.022 x 10^23.

Stoichiometric coefficient is the number that appears in front of a chemical formula in a balanced chemical equation. It represents the relative number of moles of that substance that participate in the chemical reaction.

The balanced chemical equation for the reaction is:

4K + O₂ → 2K₂O

This equation shows that 4 moles of K reacts with 1 mole of O₂ to produce 2 moles of K₂O.

To determine how many moles of K₂O will be formed when 3.13 moles of K reacts with O₂, we need to use stoichiometry.

Assuming there is enough O₂ available for the reaction, we can use the mole ratio from the balanced equation to calculate the amount of K₂O produced.

From the balanced equation, the mole ratio of K to K₂O is 4:2 or 2:1. This means that for every 2 moles of K₂O produced, 4 moles of K are consumed.

Therefore, if 3.13 moles of K are reacted, the amount of K₂O produced will be:

(3.13 mol K) x (2 mol K₂O / 4 mol K) = 1.565 mol K₂O

Therefore, 1.565 moles of K₂O will be formed when 3.13 moles of K reacts with O₂.

To know more about moles, click here

https://brainly.com/question/20486415

#SPJ1

Answer:

When you are in the laboratory and take a direct sniff the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When its necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air towards your face.

Gas is a naturally odourless substance, but the completely harmless artificial smell is added to make it more detectable. The substance is called mercaptan and gives off a strong sulphur like smell.

Answer:

When you heat up water, the water molecules start moving around faster and faster. They bounce off each other and move farther apart. Because there's more space between the molecules, a volume of hot water has fewer molecules in it and weighs a little bit less than the same volume of cold water. So hot water is less dense than cold water. When you put the two together with the hot water on the bottom, the hot water rises to the top, mixing with the cold water along the way and creating purple water.

Explanation:

Why doesn't the water mix when the hot water is on top?

When the cold water is on the bottom, the hot water doesn't have to rise--it's already on top. The cold blue water stays on the bottom and the hot red water stays on top.

When the hot water and cold water are mixed together, heat transfer takes place by conduction.

Conduction is defined as a process as a means of which heat is transferred from the hotter end of the body to it's cooler end.Heat flows spontaneously from a body which is hot to a body which is cold.

In the process of conduction,heat flow is within the body and through itself.In solids the conduction of heat is due to the vibrations and collisions of molecules while in liquids and gases it is due to the random motion of the molecules .

When conduction takes place, heat is usually transferred from one molecule to another as they are in direct contact with each other.There are 2 types of conduction:1) steady state conduction 2) transient conduction.According to the type of energy conduction is of three types:

1) heat conduction

2) electrical conduction

3)sound conduction

Learn more about conduction,here:

https://brainly.com/question/12136944

#SPJ2

Condensed milk is more viscous than evaporated milk. This is because condensed milk has had the majority of its water content removed through evaporation, leaving a thicker, sweeter substance.

It is not appropriate to liken evaporated milk or condensed milk to a type of magma as Magma is molten rock that can be found under the Earth's surface while evaporated milk and condensed milk are dairy products. They do not have any relation with magma.

A molten rock, also known as magma when it is underground and lava when it erupts and flows on the surface, is a mixture of liquid rock, dissolved gases, and solid mineral crystals. It is formed deep within the Earth's crust and can be composed of a variety of elements such as silicon, oxygen, aluminum, and iron.

When it is erupted, the pressure and temperature decrease, causing the dissolved gases to escape and the solid mineral crystals to form, creating the solid rock we see on the surface.

Therefore, the correct answer is as given above

learn more about molten rock: https://brainly.com/question/1077160

#SPJ1

Answer:

A raised weight.,Water that is behind a dam,A car that is parked at the top of a hill.----potential energy

The second law of thermodynamics is a physical law based on universal experience concerning heat and energy interconversions. 

Answer:

-1

Explanation:

electrons are negative

Aluminum displaces the iron in a redox reaction as it has its protective layer of aluminum oxide because it is more reactive than iron.

A redox reaction is a reaction in which oxidation and reduction reaction occur simultaneously and to the same extent.

An oxidation reaction occurs when atoms of elements lose electrons resulting in an increase in the oxidation number of the element.

A\ occurs when atoms of elements gain electrons resulting in a decrease in the oxidation number of the element.

The redox reaction of the displacement of iron by aluminum to form a protective layer of aluminum oxide is given below:

Fe₂O₃ (aq) +  2 Al (s) ----> 2 Fe (s) + Al₂O₃

In the given redox reaction above, aluminum metal displaces iron from its oxide to form aluminum oxide. Iron (iii) ion is reduced to metallic iron while metallic aluminum is oxidized to aluminum (iii) ion.

Learn more about redox reactions at: https://brainly.com/question/26263317

#SPJ1

**The breakdown of the ideal gas law at high pressures** occurs due to the **intermolecular forces** becoming significant and the **volume of gas particles** becoming significant compared to the total volume of the gas.

The ideal gas law, PV = nRT, assumes that gas particles are point masses with negligible volume and that there are no intermolecular forces between them. However, at high pressures, the volume occupied by the gas particles becomes significant, and the intermolecular forces start to affect their behavior. The ideal gas law fails to account for these factors, leading to deviations from its predictions. Real gases tend to deviate from ideal behavior under high-pressure conditions, necessitating the use of alternative equations, such as the van der Waals equation, to accurately describe their properties.

Learn more about ideal gas law here:

https://brainly.com/question/30458409

#SPJ11

These titrations allowed for the determination of the concentration of sodium carbonate in the sample through the use of acid-base reactions and different indicators that could signal when the endpoint had been reached.

In the soda ash experiment, titrations were conducted to determine the concentration of sodium carbonate, Na₂CO₃, in a sample. This involved adding a standard solution of hydrochloric acid, HCl, to the sodium carbonate solution until the endpoint was reached. The balanced net ionic equations for each titration are as follows:

Trial 1:

Na₂CO₃ + 2HCl → 2NaCl + CO₂ + H₂O

Trial 2:

Na₂CO₃ + 2HCl → NaHCO₃ + NaCl

Trial 3:

NaHCO₃ + HCl → NaCl + CO₂ + H₂O

The indicator used in the first titration was phenolphthalein, which changes from pink to colorless at the endpoint. In the second titration, methyl orange was used, which changes from yellow to orange at the endpoint. In the third titration, bromcresol green was used, which changes from blue-green to yellow at the endpoint.

Overall, these titrations allowed for the determination of the concentration of sodium carbonate in the sample through the use of acid-base reactions and different indicators that could signal when the endpoint had been reached.

Learn more about titrations

https://brainly.com/question/31483031

#SPJ11

Endpoint Indicator: Bromothymol blue

Color Change: Yellow to Blue

The soda ash experiment involves the titration of a carbonate substance with an acid, commonly using sodium carbonate (Na₂CO₃). Here are the balanced net ionic equations for each titration:

Titration 1:

\(Na_2CO_3 + 2HCl \rightarrow NaHCO_3 + NaCl\)

Net Ionic Equation:

\(CO_3^{2-} + 2H^+ \rightarrow H_2CO_3\)

Endpoint Indicator: Phenolphthalein

Color Change: Clear to Pink

Titration 2:

\(NaHCO_3 + HCl \rightarrow NaCl + H_2O + CO_2\)

Net Ionic Equation:

\(HCO_3^- + H^+ \rightarrow H_2CO_3\)

Endpoint Indicator: Methyl orange

Color Change: Yellow to Orange

Titration 3:

\(Na_2CO_3 + 2HCl \rightarrow 2NaCl + H_2O + CO_2\)

Net Ionic Equation:

\(CO_3^{2-} + 2H^+ \rightarrow H_2O + CO_2\)

Endpoint Indicator: Bromothymol blue

Color Change: Yellow to Blue

To know more about topic soda ash experiment here: https://brainly.com/question/32798867

#SPJ11