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The ΔE of a system that releases 12.4 J of heat and does 4.2 J of work on the surroundings is __________ J

The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. The specific heat of this substance is __________ J/g-K.

Classify the following type of reaction: C3H8(l) + 5O2(g) → 3CO2(g) + 4H2O(g).

What is the mass in grams of 0.265 moles of vanadium(III) fluoride?

An unknown compound is determined by elemental analysis to have the following composition: Element Mass(%) Cs 66.3 Cl 17.7 O 16.0   What is the compound’s empirical formula?

At which position(s) does the pendulum have maximum kinetic energy?

The reaction NH3(aq) + H2O(l) → OH-(aq) + NH4+(aq) is an example of _____?

Consider 100 g blocks of aluminum (specific heat capacity: 0.897 J/g°C) and iron (specific heat capacity: 0.449 J/g°C). Both blocks are placed on a hotplate such that 1000 J of energy is transferred to each block. What happens to their temperatures?

The specific heat capacity of Styrofoam is 1.131 J/gK. What is the heat capacity of a 3.55 g Styrofoam cup?

Which of the following reactions is written correctly?