Consider the heating curve for water. Temperature (°C)
Heating Curve for Water
160
140
120
100
80
60
40
20
0
-20
1 2 3 4 5 6 7 8 9 10
Time (min)
At what temperature does the solid start melting?
O-20°C .

Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion

Deferentiate volatile and non volatile acid