Cyclohexane (C6H12) is one of the components of crude oil. Which shows the
balanced combustion reaction for cyclohexane?

Answer:

0.0875M of Acetic Acid

Explanation:

Based on the reaction of acetic acid (HX) with sodium hydroxide (NaOH):

HX + NaOH → NaX + H₂O

1 mole of acetic acid reacts with 1 mole of NaOH

That means the moles of sodium hydroxide added = Moles the acetic acid at the equivalence point.

To solve this question we have to find the moles of NaOH = Moles HX. With the moles and the volume (25.0mL = 0.0250L) we can find the molarity of the acetic acid:

Moles NaOH = Moles Acetic acid:

12.5mL = 0.0125L * (0.175mol / L) = 0.00219 moles Acetic Acid

Molarity acetic acid:

0.00219 moles Acetic Acid / 0.0250L =

Answer:

La palabra bicarbonato es un término químico para referirse a una sal ácida del ácido carbónico en combinación con un metal. ... Pero si sólo está sustituido un átomo de hidrógeno por el metal, entonces obtenemos un bicarbonato o carbonato ácido, por ejemplo, bicarbonato sódico: CO3H Na.

Answer:

l and t

Explanation:

because they are in group one

Answer:

L & T

since are found in the same group.

Answer:

Around 150 million years ago

Explanation:

The Atlantic ocean was formed during the Jurassic period

Answer:

200 millon years ago

Explanation: please give me brainliest

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

We have

[tex]n = \frac{1.204 \times {10}^{22} }{6.02 \times {10}^{23} } \\ = 0.02[/tex]

We have the final answer as

Hope this helps you

Answer: Scientific reasoning

Explanation:

A scientific reasoning can be defined as the justification which connects the evidence with that of the claim and it rules out all those claims that are not supported by any evidence. It explains the fact that how evidence can support a claim and scientifically acceptable conclusion can be drawn. An argument is always based on one or more claims which can either be true or evidentially proved.

what is the half life though?

Answer: The partial pressure of Ne is 9.02 atm.

Explanation:

Given: Total pressure = 14.9 atm

Partial pressure of He = 1.43 atm

Partial pressure of Ar = 4.45 atm

Partial pressure of Ne = ?

According to the Dalton's law of partial pressures the total pressure exerted by the a number of gases in a mixture is equal to the sum of partial pressures of each gas present in the mixture.

Now, for the given mixture the partial pressure of Ne is as follows.

Total pressure = Partial pressure of He + Partial pressure of Ar + Partial pressure of Ne

Substitute the values into above formula as follows.

Total pressure = Partial pressure of He + Partial pressure of Ar + Partial pressure of Ne

14.9 atm = 1.43 atm + 4.45 atm + Partial pressure of Ne

Partial pressure of Ne = 14.9 atm - 5.88 atm

= 9.02 atm

Thus, we can conclude that the partial pressure of Ne is 9.02 atm.

Well an example is how hydrogen and oxygen react to form water, you could use that. We know that when two nonmetals react more than one product is possible. Sulfur and oxygen react to form sulfur dioxide or sulfur trioxide.

Hope this helps.

Answer:

For the reaction CH3COOH→CH3COO– + H+

Among the given statements which is the correct statement?

CH3COOH is a Brønsted-Lowry base.

CH3COO– is an Arrhenius base.

CH3COOH is a Brønsted-Lowry acid.

CH3COO– is a Lewis base.

Explanation:

Bronsted acid is the proton donor.

Bronsted base is the proton acceptor.

Arrhenius base is the one that releases OH- ions when dissolved in water.

Lewis base is the one that is an electron-pair donor.

In the given reaction,

CH3COOH→CH3COO– + H+

Acetic acid releases a proton.

So, it is a proton donor.

Hence, It is a Bronsted-Lowry acid.

Third option is the correct answer.

Answer:

D) N2O5

Explanation:

The molar mass of a substance is defined as the mass of this substance in 1 mol. To solve this question we must find the molar mass of each option:

Molar mass NO:

1N = 14g/mol*1

1O = 16g/mol*1

14+16 = 30g/mol

Molar mass NO2:

1N = 14g/mol*1

2O = 16g/mol*2

14+32 = 46g/mol

Molar mass N2O:

2N = 14g/mol*2

1O = 16g/mol*1

28+16 = 44g/mol

Molar mass N2O5:

2N = 14g/mol*2

5O = 16g/mol*5

28+80 = 108g/mol

That means the compound with the greatest mass is:

Answer:

0.5 M has the weakest concentration.

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to remember that the concentration, or molarity, of a solution is given in terms of moles per liters of solution.

In such a way, we can infer that the solution with the weakest concentration is the one with the smallest molarity, that is 0.5 M.

Best regards!

Answer:

9.82 g of Mg(NO₃)₂

Explanation:

Let's determine the reaction:

2AgNO₃  +  MgBr₂  → Mg(NO₃)₂  +  2AgBr

2 moles of nitrate silver reacts with MgBr₂ in order to produce 1 mol of magnesium nitrate and silver bromide.

We determine the moles of AgNO₃

22.5 g . 1mol / 169.87g = 0.132 moles

Ratio is 2:1.

2 moles of silver nitrate can produce 1 mol of magnesium nitrate

Then, our 0.132 moles may produce (0.132 . 1)/ 2 = 0.0662 moles

We convert moles to mass:

0.0662 mol . 148.3 g/ mol = 9.82 g

Answer:

Explanation:

Molar volume at STP = 22.4L

So 0.084 mole of CO2 at STP has volume of 22.4*0.084 = 1.882L

Combined Gas Law: P1V1/T1 = P2V2/T2

760*1.882/273 = 790*2.1/Temperature

Temperature = 790*2.1*273/760/1.882

= 316.6K

Answer:

The circulatory system

Explanation:

Hope this helps

Answer:

65.56 M

Explanation:

Using the formula as follows:

C1V1 = C2V2

Where;

C1 = initial concentration (M)

C2 = final concentration (M)

V1 = initial volume (L)

V2 = final volume (L)

According to the information in this question,

C1 = 1,049 M

C2 = ?

V1 = 120 mL

V2 = 1,920 mL

Using C1V1 = C2V2

1049 × 120 = C2 × 1920

125880 = 1920C2

C2 = 125880 ÷ 1920

C2 = 65.56 M

Answer:

Hydrogen Bonding!

This is because of two reasons:

1. Hydrogen is attatched to a very electronegative atom.

2. The electronegative atom it is attatched to has a lone pair.

Hope this helps!

I would really appreciate if you mark me brainliest as I have been trying to get there for a veryyy long time now :)

Answer:Strontium-90 and cesium-137 have half-lives of about 30 years (half the radioactivity will decay in 30 years). Plutonium-239 has a half-life of 24,000 years. High-level wastes are hazardous because they produce fatal radiation doses during short periods of direct exposure.

Explanation:

In comparison to other toxic industrial waste, nuclear waste is neither exceptionally dangerous nor difficult to manage. It is technically possible to dispose of high-level radioactive waste safely. The toxic life of nuclear waste is 10,000 years. The correct option is B.

Waste is no longer dangerous if radioactive material has adequately decomposed. However, it will take the radioactive material between a few hours and hundreds of millions of years to decay.

Breeder reactors produce plutonium-239, which has a half-life of 24,400 years and is exceedingly hazardous in even minute amounts. Cesium-137 and strontium-190 are low-level radioactive wastes from typical nuclear power facilities.

Thus the correct option is B.

To know more about nuclear waste, visit;

https://brainly.com/question/10501353

#SPJ6

Answer:

A. To increase surface area of a solute

Explanation:

Answer:

224.5J

Explanation:

Using the formula as follows:

Q = m × c × ∆T

Where;

Q = amount of heat (J)

m = mass of substance (g)

c = specific heat capacity.

∆T = change in temperature (°C)

According to this question;

m = 20g

∆T = 75°C - 50°C = 25°C

Q = ?

c of iron = 0.449 J/g°C

Using Q = m × c × ∆T

Q = 20 × 0.449 × 25

Q = 224.5J

Answer:

what

Explanation:

Explanation:

[tex]1000ml \: contain \: 3 \: moles \\ 100 \: ml \: will \: contain \: ( \frac{100 \times 3}{1000} ) \: moles \\ = 0.3 \: moles \\ RFM = 95 \\ 1 \: mole \: weighs \: 95 \: g \\ 0.3 \: moles \: weigh \: ( \frac{(0.3 \times 95)}{1} \: g \\ = 28.5 \: g \: of \: magnesium \: chloride[/tex]

Answer:

1. d. 84g

2. c. 77.4%

Explanation:

1. Based on the reaction 2 moles of Na produce 2 moles of NaCl.

The moles of Na (22.99g/mol) in 33g are:

33g * (1mol / 22.99g) = 1.435 moles Na = 1.435 moles NaCl must be produced.

The mass of NaCl is (Molar mass: 58.44g/mol):

1.435moles * (58.44g / mol) = 84g

d. 84g

2. Percent yield is defined as 100 times the ratio between actual yield (65g) and theoretical yield (84g). The percent yield is:

65g / 84g * 100 =

c. 77.4%

Answer:

The correct answer is A, Humid Subtropical

Explanation:

Humid Subtropical's climate is wet, warm, and located on the edges of tropics.

Answer:

4

Explanation:

because number 4 moves continuous

Answer:

During the electrolysis, hydrogen and chloride ions are removed from solution whereas sodium and hydroxide ions are left behind in solution. This means that sodium hydroxide is also formed during the electrolysis of sodium chloride solution.

Answer:

water....

Explanation:

gradpoint

Answer:

400 L

Explanation:

As this problem deals with a dilution process, we can use the following formula:

Where subscript 1 stands for the concentrated concentration and volume, while 2 stands for the diluted values. Meaning that in this case:

We input the data:

And solve for V₂:

Answer:

Carbon dioxide (chemical formula CO 2) is an acidic colourless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms.

In CO2, the Carbon atom is in the central position as it is the least electronegative atom in the molecule. Two Oxygen atoms are located on the terminals where both these atoms share electrons and form bonds with the central Carbon atom.

Lewis structure of CO2 given in the attached image:

Answer:

Mg(OH)2

Explanation:

Magnesium hydroxide is the base since it has hydroxyl ions.

Mg(OH)₂ is the base in this acid-base reaction.

This can be defined as a chemical substance which donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution.

Mg(OH)₂ has the presence of hydroxide (OH-) ions in its compound which was why it was chosen as the most appropriate choice.

Read more about Base here https://brainly.com/question/9836972