Chemistry, 02.03.2021 01:00 peytontanner
2 Um acidente fez com que 500 litros de ácido sulfúrico de concentração 10 mol/l
vazassem de um caminhão-tanque e começassem a atingir um lago. Para mini-
mizar os efeitos ambientais, todo o ácido teve de ser neutralizado o mais rápido
possível com carbonato de cálcio. Qual a massa mínima de sal necessária para
esse procedimento, isto é, a neutralização completa do ácido?
(Massa molar: Caco3 = 100 g/mol.]
Answers: 2
Chemistry, 23.06.2019 01:00, Johnson926
Which elements are found in glucose, the product of photosynthesis? a. carbon, hydrogen, and oxygen b. carbon and hydrogen c. carbon, nitrogen, and oxygen d. hydrogen, nitrogen, and carbon
Answers: 2
Chemistry, 23.06.2019 03:30, Ramann03
27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.
Answers: 3
Chemistry, 23.06.2019 08:30, xojade
According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.
Answers: 1
2 Um acidente fez com que 500 litros de ácido sulfúrico de concentração 10 mol/l
vazassem de um cam...
Biology, 22.02.2020 02:19