Answer: 66N / 4.448 = 14.7lbs
Explanation:
this is coverted in to pounds
Answer:
D. 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,4d10,5s2,5p6
Explanation:
Hello!
In this case, since the standard iodine atom has 53 electrons, when it forms the iodide ion it is known it gains one spare electron so now it has 54; it means we need to write the new electron configuration up to 54 as shown below:
Thus, the answer should be:
D. 1s2,2s2,2p6,3s2,3p6,3d10,4s2,4p6,4d10,5s2,5p6
Even when the order is not the adequate one.
Regards!
The half reaction that occurs at the Au electrode is 1.64
<u>Explanation:</u>
Half cell reaction at 'Au' electrode
We have the equation,
Au + (aq) + e- ---> Au(s)
Given the concenration of AuNO3=0.150 M
[Au +] =0.150 m
From the equation,
Au + (aq) + e- ---> Au(s)
Standard electric potential= Eo= 1.69 volt
Solving the problem using the Nerst equation
E cell= E0 cell - 2.303 RT/ nF log Qc
Where,
T = 298 K
n= no of electron lost or gained
F= faraday's constant= 965000/mole
R= universal constant= 8.314 J/ K/ Mole
Substitue the values we get
E cell = 1.69 volt - 0.05 g/n log (1/0.150M)
E cell = 1.69 volt - 0.05 g/1 0.824
E cell= 1.64
The half reaction that occurs at the Au electrode is 1.64
<u />
<h3>
Answer:</h3>
4.73 × 10^4 m
<h3>
Explanation:</h3>
From the question;
Frequency of the photon = 634 × 10^12 Hz
We are required to calculate the wavelength of the photon.
We need to know the relationship between wavelength and frequency of a wave.
The relationship between f and λ is given by;
c = fλ
Where c, is the speed of light, 2.998 × 10^8 m/s
Therefore, to get the wavelength we rearrange the formula such that;
λ = c ÷ f
= 2.998 × 10^8 m/s ÷ 634 × 10^12 Hz
= 4.73 × 10^-5 m
But we require wavelength in nm
1 M = 10^9 nm
Therefore;
Wavelength = 4.73 × 10^-5 m × 10^9 nm/m
= 4.73 × 10^4 m
Hence, the photon's wavelength is 4.73 × 10^4 m
Answer:that sugar dissolves faster in a warm liquid than in a cool
Explanation:
Molecular diffusion, often simply called diffusion, is the thermal motion of all (liquid or gas) particles at temperatures above absolute zero. The rate of this movement is a function of temperature, viscosity of the fluid and the size (mass) of the particles. Diffusion explains the net flux of molecules from a region of higher ... Diffusion of solvents,