Calorimeter and enthalpy change
Authored by AZFA BM
Chemistry
12th Grade
NGSS covered
Used 54+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Refer the the following question:
2N2 + 3H2 --> 2NH3 + 46 kJ
How much energy would be produced if only 1 mol of nitrogen was reacted?
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How much energy must be used to produce 4.75 mol of gaseous water?
H2O (l) + 44.0 kJ --> H2O (g)
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What mass of P4 must be reacted to produce 5905 kJ of energy?
P4 + 6Cl2 --> 4PCl3 + 2439 kJ
Tags
NGSS.HS-PS1-4
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Do reactants in an endothermic reaction have a higher or lower energy than the products?
Tags
NGSS.HS-PS1-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
H2 + 2 C + N2 + 270.3 kJ --> 2 HCN
Is this reaction endothermic or exothermic?
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two objects have different temperatures when they come in contact, heat will flow from the warmer object to the cooler one UNTIL ____________
one reaches a temperature of zero
they both have an equal temperature
one runs out of energy
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?
-80,256 J
80.256 J
80,256 J
-80.256 J
Tags
NGSS.HS-PS3-4
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