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Ganezh [65]
3 years ago
5

What is the difference between stable and unstable isotopes

Chemistry
1 answer:
Alja [10]3 years ago
6 0

Answer:

stable isotopes have stable nuclei and do not show radioactivity, but for unstable isotopes it is the opposite

Explanation:

hope this helps, ask more questions if needed.

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Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure A) condenses to a
zhuklara [117]

Answer:

Option D is correct.

Explanation:

Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure because any gas at a higher temperature and a lower pressure will  behaves like  an ideal gas. for eg.

nitrogen at STP show its behavior as an ideal gas.

When pressure of a gas increased & temperature is decreased then the gas does not follow ideal gas law.

Therefore option D is correct.

4 0
3 years ago
Para que serve o balanceamento de equações químicas?
Marrrta [24]
Please speak english
3 0
3 years ago
Calcium carbonate decomposes according to the following equation:
Bad White [126]

Answer:

CaCO3----------CaO+CO2

(40g+12g+16g×3) of CaCO3 produce (40g+16g) of CaO

100g of CaCO3 -----------------56g of CaO

20g of CaCO3-------------------x grams of CaO

x=(20g×56g)÷100g

x=1120gg÷100g

x=11.2g of CaO

Therefore, 11.2grams of CaO from 20grams of CaCO3

HOPE IT HELPED, PLEASE MARK BRAINLIEST

8 0
2 years ago
What heats up faster but loses heat faster?<br><br><br> -Water<br> -Air<br> Or<br> Land
Studentka2010 [4]
The answer is land because land absorbs heat more quickly but it also loses heat more quickly. And it is not water because water is a low conductor of heat and water has to lose more energy in order for the temperature to decrease. And air could not be the answer.
8 0
2 years ago
HCI is a strong acid. What particles would you expect to find in a solution of HCI(aq)?
trasher [3.6K]

it ionizes completely because it's a strong acid so no HCl particles will be found only H+ that reacts with H2O and Cl- so the 3rd option is correct

6 0
3 years ago
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