olamagdziak2007
01.07.2020 •
Physics
1. Coloque V (verdadeiro) ou F (falso): ( ) Calor específico é a quantidade de caloria necessária para 1g de uma determinada substância ter sua temperatura variada em 1°C. ( ) Chamamos de calor sensível o calor que varia a temperatura da substância sem mudar seu estado físico. ( ) O calor específico da água congelada é igual 1cal/g °C. ( ) 80 cal/g é o valor do calor específico latente para a fusão da água. ( ) Para que um grama de gelo a 0°C se torne líquida a 0°C são necessárias 540 cal/g. ( ) Chamamos de calor latente o calor que varia a temperatura da substância sem mudar seu estado físico.
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Ответ:
In the early 1800s, the english chemist john dalton performed a number of experiments that eventually led to the acceptance of the idea of atoms. he formulated the first atomic theory since the “death of chemistry” that occurred during the prior 2000 years.