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Julli [10]
3 years ago
14

What is the energy in joules of a single photon of light with a wavelength of 1 m

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0

Answer:

Explanation:E=hc¯ν=hcλ [Where h = Planck's constant, c = velocity of electromagnetic radiation(light) and lambda = wavelength.] So, just substitute every needed value. =1.29077⋅10−18 Joules

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For the reaction VCl2 + Cl2 → VCl5, what are the reactants, products, and correct coefficients in the balanced equation?
mafiozo [28]

Answer is: Reactants: 2VCl2 and 3Cl2; product: 2VCl5.

Balanced chemical reaction: 2VCl₂ + 3Cl₂ → 2VCl₅.

According to principle of mass conservation, number of atoms must be equal on both side of chemical reaction.

There are ten chlorine atoms and two vanadium atoms on both side of balanced chemical reaction.

3 0
3 years ago
N which direction will the net reaction proceed.
finlep [7]

Answer:

1) The correct answer is option b.

2) The correct answer is option a.

Explanation:

1)

X+Y\rightleftharpoons Z

At 300 K, the value of the K_p=1.00

The K_c and K_p is related by :

K_p=K_c\times (RT)^{\Delta n}

where,

K_p = equilibrium constant at constant pressure

K_c = equilibrium concentration constant

R = gas constant = 0.0821 L⋅atm/(K⋅mol)

T = temperature = 300 K

\Delta n = change in the number of moles of gas = 1 - 2 = -1

Now put all the given values in the above relation, we get:

1.00=K_c\times (0.0821 L atm/(K mol)\times 300)^{-1}

K_c=24.63

The K_c of the reaction = 24.63

Given = [X] = [Y] = [Z] = 1.0 M

Value of reaction quotient = Q

Q=\frac{[Z]}{[X][Y]}=\frac{1.0 M}{1.0M\times 1.0 M}=1

Q, the equilibrium will move in forward direction that is in the right direction.

2)

X+Y\rightleftharpoons Z

At 300 K, the value of the K_p=1.00

Given = P_x = P_z = 1.0 atm, P_y = 0.50 atm

Value of reaction quotient in terms of partial pressure = Q_p

Q_p=\frac{P_z}{P_x\times P_y}=\frac{1.0 atm}{1.0 atm\times 0.50 atm}

Q_p=2

Q_p>K_pthe equilibrium will move in backword direction that is in the left direction.

6 0
3 years ago
Which material is the most dense?<br><br> A. air<br> B. water<br> C. plastic<br> D. iron
Debora [2.8K]
Out of the options, "Iron" is the most dense here.

In short, Your Answer would be Option D

Hope this helps!
3 0
3 years ago
Read 2 more answers
What is 0.570qt to mL
lutik1710 [3]
539.421ml would be the correct conversion
7 0
4 years ago
True or False: A property is a way to
kenny6666 [7]

Answer:

True

Explanation:

Here is an example: chemical properties include flammability, toxicity, acidity, reactivity. we observe the changes of these properties. Therefore, It's true.

5 0
3 years ago
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