Chemistry, 26.07.2019 13:10 iamastudent79
Ineed with science which of these is a property of a bases? a they produce hydrogen gas when reacted with metals. b they turn litmus paper blue. c they feel sticky. d they taste sour. an unknown solution has a ph of 7. how would you classify this solution? a acidic b basic c neutral d there is not enough information to answer this question which of these is an acid? a vinegar b naoh c ammonia d water a high concentration of hydrogen ions means a solution is what? a very acidic b very basic c neutral d neither acidic or basic if litmus paper is dipped in acidic solution and then a basic one, what will happen? a the paper will turn from blue to red b the paper will turn from red to clear c the paper will turn from blue to clear d the solution will turn from red to blue
Answers: 1
Chemistry, 21.06.2019 19:30
The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?
Answers: 1
Chemistry, 22.06.2019 04:00
Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.
Answers: 2
Chemistry, 22.06.2019 21:30
How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2
Answers: 2
Ineed with science which of these is a property of a bases? a they produce hydrogen gas when rea...
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