What does it depend on ?

Answer:

B

Explanation:

Answer:

B

Explanation:

Reaction rate can be defined as :

the minimum energy that colliding particles must have in order to react

Answer:

C

Explanation:its right

The correct structure that corresponds to the name 2,2,3-trichloro-3-fluorohexane is both. Thus option C is correct.

Chemical structure is defined as the physical configuration of atoms within a molecule. The molecular geometry of the molecule is determined by its chemical structure. By illustrating how the atoms and chemical bonds are arranged in space within the molecule, chemical structure can be used to establish the molecular geometry of a product. Chemists can now see a crucial visual depiction of a chemical formula thanks to this.

2,2,3-trichloro-3-fluorohexane structure given is both are correct as one of the structure is trans form and the other is cis form of the structure. Option A is trans form while option B is cis form of structure.

Thus, the correct structure that corresponds to the name 2,2,3-trichloro-3-fluorohexane is both. Thus option C is correct.

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Answer:

the best tool for separating marbles from water is evaporation disc

Answer:

What changes do you notice? The white you see have undergone coral bleaching. At high temperatures, corals may lose their zooxanthellae, causing corals to lose their color and their main source of food. Once bleaching occurs, the coral colony usually dies.

Explanation:

study well

Arigato

Answer:

It's the third option.

Explanation:

In order for the chemical equation to be correctly it needs the same number of atoms of each element on both sides of the equal sign

Answer:

How do you find the concentration of OH in a solution?

The hydroxide ion concentration can be found from the pOH by the reverse mathematical operation employed to find the pOH. [OH-] = 10-pOH or [OH-] = antilog ( - pOH) Page 2 Example: What is the hydroxide ion concentration in a solution that has a pOH of 5.70? On a calculator calculate 10-5.70, or "inverse" log (- 5.70).Explanation:

Explanation:

If 14.0 g of sodium sulfide are reacting, how many molecules of sodium chloride will be produced?

3 Na₂S + 2 AICI36 NaCl + Al2S3

1.08 x 10^23

2.16 x 10^23

2.16 x 10^-23

5.97 x 10^-25

Answer:

1 atm

Explanation:

The other gas exerts the remaining pressure

1.7 - .7 = 1 atm

The amount of absorption force is not same at all time and at all where .

It has difference at different time periods

So during those the curve goes up and down and repeat this flow

So there are dips

Answer: Clouds need two things to form: cool air and particles on which water vapor can condense. Clouds form as air cools. Cold air cannot hold as much water vapor, so the water vapor condenses. Water vapor condenses on small particles in the atmosphere, such as smoke, salt, and dust. As a result, clouds form.

Explanation: correct on edge

Herd behavior in elephants ensures that individuals are protected and the species is perpetuated.

It is a behavior that is characteristic of animals that form herds.

Herds generally refer to groups of animals that live or move together or both.

By protecting individual elephants that are weak or young from being preyed upon by lions and leopards, more members of the population survive.

When more members of the population survive, the species is perpetuated and the likelihood of going into extinction reduces.

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Answer:

Sound waves travel faster through solids, because they can better transmit the soundwaves to your eardrum faster since they are closer together than air.

Answer:

Sound waves generally travel most quickly through gases.. Sounds can travel through air and water but not through solids.  Sound waves travel hope this helps!

Answer: 7.82999 g/cm³

Explanation:

1. Divide all of the lengths of the block by 10 to get them from mm to cm

2. Calculate volume of box

3. Calculate density using volume and mass

Answer:

A heterotroph is an organism that eats other plants or animals for energy and nutrients. The term stems from the Greek words hetero for “other” and trophe for “nourishment.”

Zirconium - 96 isotope is formed from the beta decay of zirconium-97 , Option C is the correct answer .

Atoms are composed of a cloud of electrons surrounding a dense nucleus that is 100,000 times smaller and comprised of protons and neutrons.

The number of protons(i.e., atomic number, "Z") determines the element.

Isotopes are atoms of the same element that have the same number of protons (i.e., atomic number, "Z") but a different number of neutrons, meaning that their mass number, "A", varies.

Naturally occurring zirconium (⁴⁰Zr) is composed of four stable isotopes

One very long-lived radio isotope (⁹⁶Zr), a primordial nuclide that decays via double beta decay with an observed half-life of 2.0×10¹⁹ years

The second most stable radioisotope is ⁹³Zr, which has a half-life of 1.53 million years.

Thirty other radioisotopes have been observed.

All have half-lives less than a day except for ⁹⁵Zr (64.02 days), ⁸⁸Zr (83.4 days), and ⁸⁹Zr (78.41 hours).

The primary decay mode is electron capture for isotopes lighter than ⁹²Zr

and the primary mode for heavier isotopes is beta decay.

Therefore Zirconium - 96 isotope is formed from the beta decay of zirconium-97 , Option C is the correct answer .

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Answer:

one factor is the speed at which crystals are formed

crystals that are formed near or on the surface tend to crystalize faster and therefore are usually smaller crystals deeper in the crust tend to crystalize slower and therefore are larger

Answer:

where the formula

Explanation:

Answer:

Explanation:

Your answer should include the total ionic equation (for the equation with spectator ions) and net ionic equation (for equation that does not include spectator ion).

ignore the top equation labelled molecular equation

Disclaimer: the solid MgOH2 works only for Mg(OH)2 in solid phase.

If we assume the Mg(OH)2 is aqueous, then I have attached a second picture (replace Ca with Mg), the boxed equations are your answers.

Answer:

The BP increases in temperature as you move down the halogen group ( group 7)

Answer:

The trend of boiling points in the the table vary according to the size of the elements atom, if an element has a larger size it will need greater intermolecular forces and heat to break the strong bonds. Therefore Bromine has a larger size followed by chlorine and later fluorine, and this has shown in their boiling points

Answer:

28L

Explanation:

V1 = 22L                             V2 = ?

T1 = 313K                            T2 = 273K

P1 = 1.5atm                          P2 = 1.0atm

Using the combined gas law equations;

[tex]\frac{P1V1}{T1}= \frac{P2V2}{T2}[/tex]

∴[tex]V2 = \frac{P1V1}{T1} * \frac{T2}{P2}[/tex]

         = [tex]\frac{1.5*22}{313} * (\frac{273}{1})[/tex]

   V2 = 28L

From the calculations and the statement of the general gas equation, the volume of the gas becomes 28.8 L

The gas laws are used to show the relationship between the variables in problems that has to do with gases.

In this case, we have to apply the general gas law as follows;

P1V1/T1 = P2V2/T2

P1V1T2 = P2V2T1

V2 =   * 22L *  1.5 atm * 273K/313K * 1 atm

V2 = 28.8 L

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Answer:

0.00420

Explanation:

The equation is Q=mc(T(final)-T(initial), where c is the specific heat, Q is heat supplied, m is mass, T(final) is final temperature and T(initial) is initial temperature (you'll see this written as delta T, which means change in temperature).

2520 = Q

m = 10.0kg; answer choices are in g, not kg, so multiply by 1000 to get m in g; m = 10000 g

Plug in the values you have and solve for c.

2520=(10000)(c)(70-10)

2520=600000c

c=0.0042 j/(gc)

Answer:

4.2 j/kg-C      =  .0042 j / (g-C)

Explanation:

Specific heat units are    j / kg-C

   2520 J  / [ (10 kg)(70-10 C)]   = 4.2   j / kg-C

Answer:

The hotter one loses heat and the cooler one gains heat until they become equal in temperature.

Answer:

Only A., the stick structure with no branches and five vertices between the two endpoints.

Explanation:

An alkane is a saturated hydrocarbon compound with no branches- just a series of carbon atoms connected with [tex]{\rm C}-{\rm C}[/tex] single bonds. Heptane is the name for an alkane with [tex]7[/tex] carbon atoms (the prefix "[tex]\verb!hept-![/tex]" means "seven".)

Notice that there are only [tex]6[/tex] carbon atoms in the alkane with the condensed structure formula [tex]{\rm CH_{3}}({\rm CH_{2})_{4}{\rm CH_{3}}[/tex]. The name for that structure would be hexane, not heptane.

In general, the condensed structure formula of an alkane with [tex]n[/tex] carbon atoms ([tex]n > 2[/tex]) is [tex]{\rm CH_{3}}({\rm CH_{2}})_{n-2} {\rm CH_{3}}[/tex]. The correct condensed structure formula for heptane ([tex]n = 7[/tex]) would be [tex]{\rm CH_{3}}({\rm CH_{2}})_{5} {\rm CH_{3}}[/tex].

The structure in choice A is represented as a line-angle formula. As long as no letter is present in the formula, each vertex in the line-angle formula (including the endpoints) represents a carbon atom. Hence, the line-angle formula in choice A would represent a hydrocarbon with [tex]7[/tex] carbon atoms.

A single line denotes a single bond between atoms. All [tex]7[/tex] carbon atoms in this structure are thus joined in a line with [tex]{\rm C}-{\rm C}[/tex] single bonds. Hence, this structure denotes an alkane with [tex]7[/tex] carbon atoms- heptane.

Explanation:

resistivity is the reciprocal of cell constant

Answer:

Nitrous Oxide

Explanation:

Answer:

Option 1

Explanation:

An underwater earthquake will most likely cause a tsunami. Sri Lanka lies very close to the source of the earthquake, hence the answer is :

Answer:

D. using bioremediation to speed up existing, natural oil degradation.

Explanation:

Got an A on this.

Explanation:

The correct answer is option D