For this molecule: C C CH3 CH3 H3C H3C what would be the expected hybridization, regions of high electron density and bond angle of either central carbon

Answer:

2NaOH + H₂SO4 -> Na2SO4 + 2H2O

Explanation:

NaOH + H₂SO4 -> Na2SO4 +H2O

2NaOH + H₂SO4 -> Na2SO4 + 2H2O

Answer:

2NaOH + H₂SO4 -> Na2SO4 + 2H2O

Explanation:

2*H+2H=2*2H

2*Na=Na2

2*O+O4=O4+2*O

s=s

Answer:

C. the crust breaks into large chunks to form a series of sharp peaks

Explanation:

plates are extremely thin and they can either collide and fuse or simply break. This causes mountains like the Alps and may cause volanic explosions as well.

https://www.nps.gov/subjects/geology/plate-tectonics-collisional-mountain-ranges.htm <- this article may be of interest to you.

The crust breaks into large chunks to form a series of sharp peaks. This describe characteristics of folded mountains. Therefore, the correct option is option C.

Mountains that have been folded are a result of compressive forces produced by endogenetic forces that originate inside the earth. These mountains, which may be found on all continents, are the tallest and largest in the globe.

Folded mountains are distributed throughout the world in a pattern that indicates that they are typically located along the edges of the continents, either in a north-south or an east-west direction.  The crust breaks into large chunks to form a series of sharp peaks. This describe characteristics of folded mountains.

Therefore, the correct option is option C.

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The pH meter brand B is the most accurate pH meter as compared to other pH meter.

I will suggest the pH meter brand B the lab to purchase because the readings of this pH is more accurate as compared to other three pH meters. The pH meter brand B provides data which is closer to the known pH of the solution.

While on the other hand, pH meter brand A, C and D gives less accurate data in which more error is present in the data so we can conclude that the pH meter brand B is the most accurate pH meter as compared to other pH meter.

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Answer:

Avogadro's number is an absolute number: there are 6.022×1023 elementary entities in 1 mole. This can also be written as 6.022×1023 mol-1. The mass of one mole of a substance is equal to that substance's molecular weight.

Answer:

1. Hydrogen (H)

2. Helium (He)

3. Lithium (Li)

4. Beryllium (Be)

5. Boron (B)

6. Carbon (C)

7. Nitrogen (N)

8. Oxygen (O)

9. Fluorine (F)

10. Neon (Ne)

11. Sodium (Na)

12. Magnesium (Mg)

13. Aluminum (Al)

14. Silicon (Si)

15. Phosphorus (P)

16. Sulfur (S)

17. Chlorine (Cl)

18. Argon (Ar)

19. Potassium (K)

20. Calcium (Ca)

Answer:

Explanation:

First you need to calculate the mole of substance and then from the molarity the volume of the substance.

note: don't forget to convert volume liter mL in molarity.

Answer: K3PO4+3H2O.

Explanation:

H- 12

P- 3

O- 15

K- 3

(You need to multiply the subscript by the number in front of each compound, then add the number of each element in each of the compounds. Lmk is you need a better explanation)

The value of Y in AU for the distance between the sun and the two galaxies is 1,333.3 AU.

The given parameters;

The distance between the sun and the two galaxies is calculated as follows;

Y = 600 billion km - 400 billion km

Y = 200 billion km

150 million km = 1 AU

200 billion km = ?

[tex]\frac{1 \ AU}{150 \times 10^6 \ km} \times 200 \times 10^9 \ km= 1,333.3 \ AU[/tex]

Thus, the value of Y in AU for the distance between the sun and the two galaxies is 1,333.3 AU.

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The molar mass of X would be 63.55 g/mol and the chemical symbol of X would be Cu (copper).

From the equation of the reaction: F2+2XBr⟶Br2+2XF

The mole ratio of XBr to Br2 is 2:1

Mole of Br2 = mass/molar mass

                      = 0.7241/159.808

                       = 0.004531 mole

Mole of XBr = 2 x mole of Br2

                      = 2 x 0.004531

                        = 0.009062 mole

Molar mass of XBr = mass/mole

                            = 1.300/0.009062

                                 = 143.456 g/mol

Since the molar mass of Br is 79.904, the molar of X would be:

                             143.456 - 79.904

                                   = 63.55 g/mol

Hence, X would be Cu.

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A precaution that needs to be taken for working with the nucleophilic medium is ensuring the stability of the carbonation intermediate formed and Steric hindrance.

Discussion:

The likelihood of a nucleophilic substitution reaction proceeding by a dissociative mechanism depends to a large degree on the stability of the carbocation intermediate that forms.

Steric hindrance: Reactions where nucleophiles attack carbon-based electrophiles are significantly more sensitive to steric effects, because empty orbitals on carbon are not as accessible.

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Answer:

2 mol

Explanation:

NH4Br = NH4+ + Br-

1 mole of NH4+ and 1 mole of Br.

Answer:

The answer is D.

Explanation:

Answer: 2 meters

Explanation: 200 cm of flower bed

There are 100 cm in one meter.

200/100=2

Answer:

200 centimeters or 2 meters

Explanation:

It should be the same simply for aesthetic pleasure

Answer:

last one

Explanation:

makes the most sense

Explanation:

Principal quantum number=n=7

Azimuthal quantum number=l:-

[tex]\\ \sf\longmapsto n-1[/tex]

[tex]\\ \sf\longmapsto 7-1[/tex]

[tex]\\ \sf\longmapsto \ell=6[/tex]

The maximum value of the secondary quantum number (l) allowed for atomic electrons with a principal quantum number n = 7 is 6.

The term quantum number is used to describe the set of numbers that describe the position of an electron in an atom. Now we know that the secondary quantum number (l) have values from zero to n - 1.

Hence, the maximum value of the secondary quantum number (l) allowed for atomic electrons with a principal quantum number n = 7 is 6.

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Answer:

seals

Explanation:

Answer:

chu papi

Explanation:

Answer:

The answer is fibre optic.

Explanation:

Fibre optic is used for Effective transmission of data, voices and images in a digital format.

Answer:

235L

Explanation:

PV =nRT

V = nRT/P

47.20 °C is 320.35K

V = (79.5 mol)(0.0821 atm•L/mol•K)(320.35K)/8.91atm

V = 234.6698577L

Round to 3 sig figs: 235L

Answer:

If it is 20 N and 50 N then, the net force would be 70 N if they are on the same side

Explanation:

Are they on the same side?

Answer:

0.4 mol

Explanation:

We will use the formula:

n = cv

n is the number of moles, c is the concentration/molarity, v is the volume in LITRES.

Step 1: convert the volume to Litres. 500 mL is 0.5 Litres

Step 2: apply the formula

n= (0.8)(0.5)

n = 0.4 mol

Answer:

Accumulation is something that's building up. For example, "My trash accumulates every Saturday."

Answer:

Joints are movable connections between two bones. ... It provides a smooth surface to stop the bones in the joint from rubbing against each other too much. The cartilage passes the pressure in the joint on to the bone underneath it. This is especially important in joints that bear heavier loads, such as hip or knee joints

Explanation:

Answer:

D

Explanation:

i took the test and got it right :)

Answer:

empirical formula is C6H12O3

Explanation:

A sample of a compound is decomposed in the laboratory and produces

72.1 g carbon, 12.1 g hydrogen, and 48.0 g oxygen. Calculate the empirical formula of the compound.

divide the gm by the atomic mass and ratio the results

C=72.1/12.01 =6.00

H = 12.1/1.01 = 11,98 =~12

O =48.0/16 = 3

empirical formula is C6H12O3

Answer: helium

Explanation: it’s in the very last column (group) and the first row (period)

Answer:

A more dense plate going underneath a less dense plate.

In this case, it can be see that we have a gas mixture wherein hydrogen has a partial pressure of 0.545 bar, nitrogen 0.517 bar and argon 0.107 bar and we are asked to calculate the mole fraction of each gas.

According to the given information, it turns out possible for us to use the Dalton's law in order to calculate the mole fraction of each gas in the mixture. However, we first must calculate the total pressure of the mixture by adding them all together:

[tex]P_T=0.545bar+0.517bar+0.107bar=1.169bar[/tex]

After so, we proceed to the mole fractions by dividing the pressure of each by the total one:

[tex]x_{H_2}=\frac{0.545bar}{1.169bar} =0.466\\\\x_{N_2}=\frac{0.517bar}{1.169bar} =0.442\\\\x_{Ar}=\frac{0.107bar}{1.169bar} =0.092[/tex]

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