20 points!!
If the total amount of energy required to change a substance to a different phase and temperature is positive, then does that mean that the
phase change has moved in the direction of solid -> gas or gas --> solid and has the temperature increased or decreased?
a. solid -> gas temperature increase
b. solid-gas temperature decrease
c. gas --> solid temperature increase
d. gas-> solid temperature decrease
Answers: 2
Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
Chemistry, 22.06.2019 16:30
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)β4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 23.06.2019 01:00
You wish to prepare a buffer consisting of acetic acid and sodium acetate with a total acetic acetate plus acetate concentration of 250 mm and a ph of 5. what concentrations of acetic acid and sodium acetate should you use
Answers: 1
20 points!!
If the total amount of energy required to change a substance to a different phase and t...
Computers and Technology, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26
English, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26
Geography, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26
English, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26
Computers and Technology, 05.05.2020 05:26
English, 05.05.2020 05:26
Mathematics, 05.05.2020 05:26