Chemistry, 16.10.2020 20:01 KindaSmartPersonn
(CIENCIAS) Sobre as rochas que compõem a crosta terrestre, assinale a alternativa correta:
As rochas metamórficas formaram-se a partir das transformações sofridas pelas rochas magmáticas e sedimentares quando submetidas ao calor e à pressão do interior da Terra.
As rochas magmáticas formaram-se a partir da compactação de sedimentos de outras rochas.
As rochas sedimentares formaram-se pelo resfriamento e pela solidificação de minerais da crosta terrestre, isto é, o magma.
Answers: 1
Chemistry, 22.06.2019 14:00
Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
Chemistry, 22.06.2019 16:00
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
Answers: 2
Chemistry, 22.06.2019 17:10
Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]
Answers: 2
(CIENCIAS) Sobre as rochas que compõem a crosta terrestre, assinale a alternativa correta:
As rocha...
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