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Shravya
Subject: Science
, asked on 8/1/17
what is the meaning of statement the relative atomic mass of bromine is g mol ^-1
Answer
1
Dhairaya Joshi
Subject: Science
, asked on 24/10/16
It is generally observed that atomic mass is the double of atomic number . So why does potassium have atomic mass 39 while its atomic number is 19?
Answer
4
Komal Kiran Gawade
Subject: Science
, asked on 7/9/15
A student writes "preparation of co2 in the laboratory in his book. From the point of view of chemistry what is the mistake made in this writing ?
Answer
1
Komal Kiran Gawade
Subject: Science
, asked on 7/9/15
CaCO3 heat CaO+ Co2 liberated
from the above equation calculate the amount of carbon dioxide in grams liberated by heating 25g of calcium carbonate
Answer
1
Komal Kiran Gawade
Subject: Science
, asked on 7/9/15
1.What is the modern standard for measuring atomic mass ?
2.CaCo3
Heat
--CaO +Co2
From the above equation calculate the amount of carbon dioxide in grams liberated by heating 25gms of calcium carbonate?
3. A student writes "preparation of Co2 in the laboratory in his book. From the point of view of chemistry what is the mistake made in this writing?
Answer
1
Maithili S
Subject: Science
, asked on 13/8/14
what is the meaning of ions
Answer
1
Maithili S
Subject: Science
, asked on 1/8/14
what are the symptoms of negative charged particles?
Answer
1
Jamie
Subject: Science
, asked on 29/3/19
Plz help.me fast
Answer
1
Angellic
Subject: Science
, asked on 18/1/19
I really need help with this like am i doing it right
Answer
1
Adithya
Subject: Science
, asked on 1/10/18
Whatis the amount of co2 needed
Answer
1
sssudhi6...
Subject: Science
, asked on 26/8/18
Explain why nitric acid is written as HNO3
Answer
2
Purvi
Subject: Science
, asked on 22/7/18
Please answer these line by line
Answer
1
Purvi
Subject: Science
, asked on 22/7/18
I want 2 3 and 4
Answer
1
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CaCO3 heat CaO+ Co2 liberated
from the above equation calculate the amount of carbon dioxide in grams liberated by heating 25g of calcium carbonate
2.CaCo3 Heat--CaO +Co2
From the above equation calculate the amount of carbon dioxide in grams liberated by heating 25gms of calcium carbonate?
3. A student writes "preparation of Co2 in the laboratory in his book. From the point of view of chemistry what is the mistake made in this writing?
what is the meaning of ions
what are the symptoms of negative charged particles?