How many particles are in 5.00 grams of nitric acid?

Answer:

The appropriate alternative is option C "[tex]5.09\times 10^{14} \ s[/tex]".

Explanation:

The given value is:

Energy of photon,

E = [tex]3.37\times 10^{-19} \ J[/tex]

As we know,

h = [tex]6.626\times 10^{-34} \ Js[/tex]

Now,

The frequency of the light will be:

⇒  [tex]E=hv[/tex]

On substituting the given values, we get

⇒  [tex]3.37\times 10^{-19}=6.626\times 10^{-34}\times v[/tex]

On solving, we get

⇒                    [tex]v=5.09\times 10^{14} \ s[/tex]

If the energy of a photon of light is 3.37 x 10⁻¹⁹ J, then the frequency of the light is 5.09 x 10¹⁴ per sec.

Frequency of light will be calculated by using the below formula:
E = hυ, where

E = energy of photon = 3.37 x 10⁻¹⁹ J

h = plank's constant = 6.626 × 10⁻³⁴ Js

Putting these values on the above equation and calculate for the frequency as:

υ = 3.37 x 10⁻¹⁹ J / 6.626 × 10⁻³⁴ Js = 5.09 x 10¹⁴ per sec

Hence, option (C) is correct i.e. 5.09 x 10¹⁴ per sec.

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Answer:

false

Explanation:

different things will have different melting points

Answer:i pretty sure it is  high to low   kinetic

Explanation: because heat or energy travels from hot heat to low heat which heat is the same as kinetic

Answer:

Me gusta tu corte G

Explanation:

Answer:

Humans and trees are interdependent - we breathe in oxygen and breathe out carbon dioxide, while trees take in carbon dioxide and release oxygen.

Humans have about a thousand genes similar to those of bacteria, presumably because the genes are so vital that their DNA structure has remained much the same over millions of years of descent from a common ancestor.

Explanation:

Answer:

1) KI

2) Mg3P2

3) Ag2S

4) FeBr3

5) Mg(OH)2

6) Na2SO4

7) Pb(NO3)4

8) (NH4)2CO3

Answer:

moist air is less dense than dry air because water has a lower molecular weight than nitrogen and oxygen

Answer:

Water vapor is a relatively light gas when compared to diatomic Oxygen and diatomic Nitrogen. Thus, when water vapor increases, the amount of Oxygen and Nitrogen decrease per unit volume and thus density decreases because mass is decreasing.

Answer:

D

Explanation:

all ya got to do is divide the moles from the solution... so 3.0 divided by 0.25. put it in a calculator

hope this helps

The molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution is 12M.

Molarity of a given solution is known as the total number of moles of solute per litre of the solution.  A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution.

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

The unit of molarity is mol L⁻¹.

Molarity is temperature dependent because as temperature changes, volume of the solution also changes.

Given,

3.0 moles of Saline (NaCl)

Volume of solution = 0.25L

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

Molarity = 3 ÷ 0.25 = 12 M

Therefore, The molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution is 12M.

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Answer:

39.948 u

Explanation:

Answer:

a) cH4(g) +2O(g)__ CO2(g) +2H2O(g)

I hope this help

Answer:

Try to find someone who is interested in you as well as you are with him. But be chill about it and never ever let yourself think your not perfect enough cause you are thee most phenomenal person in the entire planet and there is no one like you, you are special. P.S. there are alot of cute guys out there you just gotta wait until he finds you or you find him.

Explanation:

Answer:

huh

Explanation:

Answer:

The key to understanding water's chemical behavior is its molecular structure. A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons

Explanation:

Hope it helps

Answer:

i don't see the question

Explanation:

Answer:

6.0 moles

Explanation:

The thing to remember about balanced chemical equations is that the stoichiometric coefficients added to each chemical species that takes part in the reaction are equivalent to moles.

I think its 10 moles, hope this helps.