Chemistry, 27.11.2019 22:31 Chrissyx4750
Calculate the energy required to heat 322.0g of ethanol from −2.2°c to 19.6°c . assume the specific heat capacity of ethanol under these conditions is 2.44·j·g−1k−1 . round your answer to 3 significant digits.
Answers: 2
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Chemistry, 23.06.2019 02:00
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
Chemistry, 23.06.2019 08:00
Can anyone answer these questions? ? i need it before 1: 00pm today
Answers: 3
Chemistry, 23.06.2019 08:40
Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.
Answers: 3
Calculate the energy required to heat 322.0g of ethanol from −2.2°c to 19.6°c . assume the specific...
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