Chemistry, 31.08.2021 20:30 imjustdumbsis
HELP ASA[P In group 13, the only metalloid, boron, is at the very top of the group. Explain why the rest of the group has metallic behavior but boron does not.
Answers: 3
Chemistry, 21.06.2019 19:00
Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?
Answers: 2
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 09:40
Which diagram shows the correct way to represent an ionic compound of magnesium oxide?
Answers: 3
HELP ASA[P
In group 13, the only metalloid, boron, is at the very top of the group. Explain why th...
Mathematics, 09.09.2021 22:50
History, 09.09.2021 22:50
Mathematics, 09.09.2021 22:50
English, 09.09.2021 22:50
History, 09.09.2021 22:50
Mathematics, 09.09.2021 22:50