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 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
Chemistry, 23.06.2019 02:00
Pinene is an unsaturated hydrocarbon found in pine resin. if pinene has m+ = 136 and contains 1 double bond(s) and 2 ring(s); what is its molecular formula? enter the formula in the form ch first, then all other atoms in alphabetical order; do not use subscripts. the formula is case-sensitive
Answers: 3
If an element has 1 valence electrons, how many dots will be in the elements dot diagram?...
History, 10.11.2019 06:31
Mathematics, 10.11.2019 06:31
Physics, 10.11.2019 06:31
History, 10.11.2019 06:31
History, 10.11.2019 06:31
Mathematics, 10.11.2019 06:31
Spanish, 10.11.2019 06:31
Physics, 10.11.2019 06:31
Physics, 10.11.2019 06:31
Mathematics, 10.11.2019 06:31
Geography, 10.11.2019 06:31
History, 10.11.2019 06:31
Mathematics, 10.11.2019 06:31
Chemistry, 10.11.2019 06:31
History, 10.11.2019 06:31