Question

write the chemical reactions and balance it

(a) aluminium reacts with nitric acid to give aluminium nitride and hydrogen

(b) calcium reacts with sulphuric acid to give calcium sulphate and hydrogen

(c) calcium bicarbonate reacts with sulphuric acid to give ................. , ..................... and .....................

Answer 1

@Abhisar @ganeshie8 @Abmon98 @Miracrown @livingitup5611 @Luigi0210

Answer 2

ill fan and medal any one who answers

Answer 3

alll threeee

Answer 4

can you write (a) as a formula equation?

Answer 5

no word equations @hecnev

Answer 6

Al+HNO3-->Al(NO3)3+H2
Write down the number of atoms that you have on each side of the equation.
On Reactant Side: Al:1 H:1 N:1 O:3
On Product Side : Al:1 H:2 N:3 O:9
Add a coefficient of 3 to HNO3
Al+3 HNO3-->Al(NO3)3+H2
On Reactant Side: Al:1 H:3 N:3 O:9
On Product Side : Al:1 H:2 N:3 O:9
Add a coeffcient of 3/2 to H2
Al+3 HNO3-->Al(NO3)3+3/2H2
Get rid of Fraction by mutiplying both product and reactant by 2
2Al+ 6HNO3-->2Al(NO3)3+3H2
On Reactant Side: Al:2 H:6 N:6 O:18
On Product Side : Al:2 H:6 N:6 O:18

Answer 7

@Abmon98 can u do for the rest without steps just the answer plsss

Answer 8

I think the assignment is asking you to write it out as formulas.
(a) Al + HNO3 -> Al(NO3)3 + H2
now, to balance it you have to make sure there are the same amount of atoms on both sides of the arrow. you have three nitrates on the right side [NO3] so there needs to be 3 on the left. so change the equation to...
Al + 3(HNO3) -> Al(NO3)3 + H2

but now this means you have 3 hydrogens on the left and only 2 hydrogens on the right. so just change to...
Al + 6(HNO3) -> Al(NO3)3 + 3(H2)
but oh snap, now this means there are 6 nitrates on the left and only 3 nitrates on the right. so change equation to...
Al + 6(HNO3) -> 2((AlNO3)3) + 3(H2)

now that just leaves your aluminum; there's 2 on the right side, so just make the left side have 2 aluminum too.

2Al + 6(HNO3) -> 2((AlNO3)3) + 3(H2) ...now there are 2 Al on both sides, 6 hydrogen on both sides, and 6 nitrates on both sides...so the equation is balanced

Answer 9

@hecnev can u just give me the answer for the other twooo please

Answer 10

@Abmon98 can u answer for the calcium ones tooo pls

Answer 11

Ca(HCO3)2+H2SO4-->2CO2+2H2O CaSO4

Answer 12

both of them

Answer 13

which one is that @Abmon98

Answer 14

thats for the last equation
Ca+H2SO4-->CaSO4+H2

Answer 15

thank u

Answer 16

your welcome

Answer 17

and wat are those missing dashes

Answer 18

wats the missing dashes @Abmon98

Answer 19

for the last one @Abmon98

Answer 20

thats an arrow

Answer 21

no in my question wat did u put as the elements for the last ones

Answer 22

@Abmon98 u see in c we have to identify the missing element wat are they

Answer 23

Ca(HCO3)2+H2SO4-->2CO2+2H2O CaSO4 those are the products of reaction c of your question

Answer 24

ok