Which statement is true for a cooling curve?
a) it shows how the temperature of the substance...
Chemistry, 18.09.2019 07:30 monsterking4549
Which statement is true for a cooling curve?
a) it shows how the temperature of the substance falls as heat is removed.
b) it shows how the temperature of the substance changes when heat is applied.
c) it shows the increase in the average kinetic energy of the particles.
d) it shows how heat absorption affects the motion of particles.
the ideal gas law equation is pv = nrt. if n, r, and t are kept constant, what happens to the volume if pressure is increased?
question 11 options:
a)
the volume increases
b)
the volume decreases
c)
the volume remains unchanged
d)
the temperature rises
a 20 liter cylinder of helium at a pressure of 150 atm and a temperature of 27°c is used to fill a balloon at 1.00 atm and 37°c. what is the volume of the balloon?
question 15 options:
a)
2400 liters
b)
2900 liters
c)
3000 liters
d)
3100 liters
Answers: 1
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Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.
Answers: 3
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How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:
Answers: 2
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Sugar is dissolved in water. which is the solute? sugar neither both water
Answers: 1
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