What is gold?
А.
two or more elements joined together chemically
B.
an elem...
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
Chemistry, 22.06.2019 11:00
Which element would mostly likely have an electron affinity measuring closest to zero
Answers: 3
Biology, 23.08.2019 22:30
English, 23.08.2019 22:30
Mathematics, 23.08.2019 22:30
Chemistry, 23.08.2019 22:30
Mathematics, 23.08.2019 22:30
Arts, 23.08.2019 22:30
Mathematics, 23.08.2019 22:30
History, 23.08.2019 22:30
Mathematics, 23.08.2019 22:30
Biology, 23.08.2019 22:30