A600 g sample of gold was heated from 20.0°C to 22.0°C. Calculate the heat that was applied to the gold The specific heat of gold is 0.130 J/9°C. Show your work in the space
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.