Chemistry, 15.04.2020 02:55 pandaniezzy
Suppose that the microwave radiation has a wavelength of 12 cmcm . How many photons are required to heat 245 mLmL of coffee from 25.0 ∘C∘C to 62.0 ∘C∘C? Assume that the coffee has the same density, 0.997 g/mLg/mL , and specific heat capacity, 4.184 J/(g⋅K)J/(g⋅K) , as water over this temperature range.
Answers: 2
Chemistry, 23.06.2019 03:30
Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic
Answers: 1
Chemistry, 23.06.2019 03:50
Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
Answers: 1
Chemistry, 23.06.2019 12:50
Acertain reaction has a activation energy of 54.0 kj/mol. as the temperature is increased from 22c to a higher temperature, the rate constant increases by a factor of 7.00. calculate the higher temperature. c (report only numerical answer)
Answers: 3
Suppose that the microwave radiation has a wavelength of 12 cmcm . How many photons are required to...
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