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BartSMP [9]
2 years ago
11

PLS HELP FAST WILL GIVE BRAINLEST

Chemistry
1 answer:
sleet_krkn [62]2 years ago
3 0

Answer:

B

Explanation:

A gamma ray, or gamma radiation, is a penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves and so imparts the highest photon energy.

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A voltaic cell that uses the reaction
love history [14]
Did you intend to write [PdCl4]^-2 instead of PdCl2-4? If so, then: 

<span>Cathode: [PdCl4]^-2(aq) + 2e- ======⇒ Pd(s) + 4Cl-(aq) </span>

<span>Anode: Cd(s) ==⇒ Cd+2(aq) + 2e-</span>
4 0
2 years ago
A gas occupies a volume at 34.2 mL at a temperature of 15.0 C and a pressure of 800.0 torr. What will be the volume of this gas
Grace [21]
The answer is 34.1 mL.
Solution:
Assuming ideal behavior of gases, we can use the universal gas law equation
     P1V1/T1 = P2V2/T2
The terms with subscripts of one represent the given initial values while for terms with subscripts of two represent the standard states which is the final condition.
At STP, P2 is 760.0torr and T2 is 0°C or 273.15K. Substituting the values to the ideal gas expression, we can now calculate for the volume V2 of the gas at STP:
     (800.0torr * 34.2mL) / 288.15K = (760.0torr * V2) / 273.15K
     V2 = (800.0torr * 34.2mL * 273.15K) / (288.15K * 760.0torr)
     V2 = 34.1 mL
3 0
2 years ago
Read 2 more answers
A column is filled with four different liquids of different densities. A red liquid, a blue liquid, a green liquid, and a purple
zhuklara [117]
4. Blue, Red, Green, Purple

(Lowest densities on the top, highest densities on the bottom)
7 0
2 years ago
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A certain radioactive nuclide has a half life of 1.00 hour(s). Calculate the rate constant for this nuclide. s-1 Calculate the d
Karo-lina-s [1.5K]

Answer:

k= 1.925×10^-4 s^-1

1.2 ×10^20 atoms/s

Explanation:

From the information provided;

t1/2=Half life= 1.00 hour or 3600 seconds

Then;

t1/2= 0.693/k

Where k= rate constant

k= 0.693/t1/2 = 0.693/3600

k= 1.925×10^-4 s^-1

Since 1 mole of the nuclide contains 6.02×10^23 atoms

Rate of decay= rate constant × number of atoms

Rate of decay = 1.925×10^-4 s^-1 ×6.02×10^23 atoms

Rate of decay= 1.2 ×10^20 atoms/s

8 0
2 years ago
Which of the following happens when a reaction reaches dynamic equilibrium in a closed system? The concentrations of the reactan
nikklg [1K]

Answer: The concentration of the reactants and products remain constant!

Explanation: <em>remember that </em><em>a dynamic equilibrium is a state of balance in which the rates of the forward and reverse reactions are equal,</em><em> and they continue to occur at an equivalent and constant rate with the same amount of product and reactants!</em>

6 0
2 years ago
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