Chemistry, 29.09.2020 19:01 coolkid20034
A chef is testing out a new set of iron cookware. He knows that iron has a specific heat of 445 J/kg°C. He heats a 2 kg iron skillet on a stove for 5 minutes and finds that the temperature of the iron skillet has increased by 250°C. What change in temperature will the Chef observe when he heats his 4 kg iron skillet on the same stove for the same amount of time?
Answers: 3
Chemistry, 22.06.2019 23:00, ceejay8005
The data below were determined for the reaction shown below. s2o82– + 3i – (aq) → 2so42– + i3– expt. # [s2o82–] (m) [i –] (m) initial rate 1 0.038 0.060 1.4 × 10 – 5 m/s 2 0.076 0.060 2.8 × 10 – 5 m/s 3 0.076 0.030 1.4 × 10 – 5 m/s the rate law for this reaction must be:
Answers: 1
Chemistry, 23.06.2019 02:00, xbeatdroperzx
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.
Answers: 2
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