What’s the answer please
...
Answers: 3
Chemistry, 22.06.2019 03:30
If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?
Answers: 1
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
Mathematics, 28.09.2019 10:30
Social Studies, 28.09.2019 10:30
English, 28.09.2019 10:30
Physics, 28.09.2019 10:30
Social Studies, 28.09.2019 10:30
Social Studies, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Business, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30
Mathematics, 28.09.2019 10:30