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Byju's Answer
Standard VII
Mathematics
Substitution
Given that A...
Question
Given that A(s) ----- A(l), deltaH= x, A(l) ----- A(g) -y heat of sublimation of A will be ? 1) x+ y 2) - (x+y) 3) x-y kindly explain
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Similar questions
Q.
Given that:
A
(
s
)
⟶
A
(
l
)
;
Δ
H
=
x
A
(
l
)
⟶
A
(
g
)
;
Δ
H
=
y
The heat of sublimation of A will be:
Q.
Prove that (x+y)
3
- (x-y)
3
- 6y(x
2
- y
2
) = 8y
3
Q.
(iv)
x
+
y
4
-
x
-
y
3
=
1
;
x
+
y
2
+
x
-
y
6
=
12
Q.
Simplify:
(
x
+
y
)
3
+
(
x
−
y
)
3
+
6
x
(
x
2
−
y
2
)
Q.
Simplify:
(
x
+
y
)
3
−
(
x
−
y
)
3
−
6
y
(
x
2
−
y
2
)
.
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