|
How many gram of neutron is present in 10 g sample of heavy water?
|
|
0
|
3920
|
November 25, 2016
|
|
Explain why the number of atoms in one mole of hydrogen gas
|
|
1
|
3448
|
November 25, 2016
|
|
Calculate the number of moles in 112 g of iron
|
|
1
|
5257
|
November 25, 2016
|
|
What mass of silver nitrate will react
|
|
1
|
2815
|
November 25, 2016
|
|
How do we express number of particles in - terms of moles?
|
|
1
|
5576
|
November 25, 2016
|
|
Calculate the molecular mass for each one of them
|
|
1
|
6609
|
November 25, 2016
|
|
Which would weigh more
|
|
1
|
761
|
November 25, 2016
|
|
Find the mass of each one of the following
|
|
1
|
1126
|
November 25, 2016
|
|
What is the mass of 0.5 mole of NH3?
|
|
1
|
11233
|
November 25, 2016
|
|
Calculate the number of molecules of carbon dioxide are not equal in number of moles
|
|
1
|
2220
|
November 25, 2016
|
|
Calculate the percentage composition of the compound
|
|
1
|
850
|
November 25, 2016
|
|
Calculate the following quantities in 5.6 g of nitrogen
|
|
1
|
7831
|
November 25, 2016
|
|
Calculate the number of moles present in:
|
|
1
|
3466
|
November 25, 2016
|
|
Find out the percentage composition of each element
|
|
1
|
1929
|
November 25, 2016
|
|
Define Avogadro's number. Write its value
|
|
1
|
3390
|
November 25, 2016
|
|
Define formula unit mass of a substance
|
|
1
|
2927
|
November 25, 2016
|
|
Find the formula of ammonia molecule
|
|
1
|
1636
|
November 25, 2016
|
|
Calcium carbonate decomposes on heating to form calcium oxide and carbon dioxide
|
|
1
|
8655
|
November 25, 2016
|
|
Define formula unit mass
|
|
1
|
14543
|
November 25, 2016
|
|
State the law of constant proportion
|
|
1
|
14206
|
November 25, 2016
|
|
Write the formulae and names of the compounds by the following ions:
|
|
1
|
606
|
November 24, 2016
|
|
Write the chemical formulae of following compound
|
|
1
|
3294
|
November 24, 2016
|
|
State three points of differences between an atom and a molecule
|
|
0
|
5689
|
November 24, 2016
|
|
Calculate the number of atoms
|
|
1
|
606
|
November 24, 2016
|
|
Calculate the number of moles for the following:84 g of nitrogen atoms
|
|
1
|
5247
|
November 24, 2016
|
|
Calculate the number of moles for the following:
|
|
1
|
5824
|
November 24, 2016
|
|
Calculate the mass of 1 molecule of oxygen gas
|
|
1
|
15594
|
November 24, 2016
|
|
The mass of a single atom of an element is 2.65x${10}^{23}$g
|
|
1
|
1749
|
November 24, 2016
|
|
Calculate the number of molecules in 11 g of $C{{O}_{2}}$
|
|
1
|
644
|
November 24, 2016
|
|
State the formula of the compound
|
|
1
|
1712
|
November 24, 2016
|