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kompoz [17]
4 years ago
15

An atom of 14 6 c carbon decays by gamma decay which atom is left after the decay

Chemistry
2 answers:
ladessa [460]4 years ago
7 0
Answer is: carbon.

<span>During gamma emission the nucleus emits radiation without changing its composition, if for example have nucleus with six protons and six neutrons (carbon atom) and after gamma decay there is nucleus with six protons and six neutrons.
Gamma rays are the electromagnetic waves with the shortest wavelengths (1 pm), highest frequencies (300 EHz) and highest energy (1,24 MeV).</span>


WARRIOR [948]4 years ago
6 0

14/6C APEX your welcome

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Two bottles are connected with a valve. In bottle A, there are 2.4 L of nitrogen gas at 1.8 atm. In bottle B, there are 4.8 L of
ycow [4]

Answer:

1.8 atm

Explanation:

For bottle "A"

P1 = 1.8 atm V1 = 2.4L, P2 = ?, V2 = 2.4 + 4.8 L = 7.2 L,

Thus using P1•V1 = P2•V2, we have;

P2 = (1.8 × 2.4)/7.2 = 0.6 atm

For bottle "B"

P1 = 1.8 atm, V1 = 4.8L, P2 = ?, V2 = 7.2L,

P2 = (1.8 × 4.8)/7.2 = 1.2 atm

We will now add the individual pressures of each bottle;

Total pressure = P(A) + P(B)

Total pressure = 0.6 + 1.2

Total pressure = 1.8 atm.

4 0
3 years ago
A stock solution of HNO3 is prepared and found to contain 13.5 M of HNO3. If 25.0 mL of the stock solution is diluted to a final
salantis [7]

Answer : The correct option is, (C) 0.675 M

Explanation :

Using neutralization law,

M_1V_1=M_2V_2

where,

M_1 = concentration of HNO_3 = 13.5 M

M_2 = concentration of diluted solution = ?

V_1 = volume of HNO_3 = 25.0 ml  = 0.0250 L

conversion used : (1 L = 1000 mL)

V_2 = volume of diluted solution = 0.500 L

Now put all the given values in the above law, we get the concentration of the diluted solution.

13.5M\times 0.0250L=M_2\times 0.500L

M_2=0.675M

Therefore, the concentration of the diluted solution is 0.675 M

8 0
3 years ago
A cup of coffee has 71 mL of coffee and 127 mL of water. What is the percent volume of the coffee solution?
Anna [14]

Answer:

35.9%

Explanation:

The percent volume of the coffee solution can be calculated as follows:

% volume of coffee solution = volume of coffee/total volume of coffee solution × 100

According to this question, a cup of coffee has 71 mL of coffee and 127 mL of water. This means that, the total volume of coffee solution is;

71mL + 127mL = 198mL

% volume = 71/198 × 100

= 0.359 × 100

Percent volume of coffee solution = 35.9%

3 0
3 years ago
In the late 1 800s , experiments using cathode ray tubes led to the discovery of the
Mice21 [21]

<em>In the late 1800's, experiments using cathode ray tubes led to the discovery of the;</em>

Electron(s)

<u>It was founded that many different metals release cathode rays, and that cathode rays were made of electrons, very small negatively charged particles.</u>

7 0
3 years ago
A 42.2 g sample of acetic acid is heated using 1043 cal. What is the change temperature of the acetic acid?
Slav-nsk [51]

Answer:

H=mc∆T

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You have the mass and Heat Energy applied

Get the specific Heat capacity of acetic acid

Plug it into the formula...You should get the answer you're looking for

8 0
3 years ago
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