subject
Chemistry, 30.03.2021 03:10 COOLIOMARIS

Help please I need to know the answer to this problem it would mean a lot if u helped :))


Help please I need to know the answer to this problem it would mean a lot if u helped :))

ansver
Answers: 3

Another question on Chemistry

question
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? (Ξ΄ch< (c14h10,s)=–7061 kj molβˆ’1.)
Answers: 3
question
Chemistry, 22.06.2019 06:00
There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit
Answers: 1
question
Chemistry, 22.06.2019 11:30
Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.
Answers: 3
question
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
You know the right answer?
Help please I need to know the answer to this problem it would mean a lot if u helped :))
...
Questions
question
History, 30.12.2020 20:40
question
Arts, 30.12.2020 20:40
question
Mathematics, 30.12.2020 20:50
question
Mathematics, 30.12.2020 20:50