Physics, 24.08.2019 12:20 orlando19882000
Need in general science ii
the ph scale for acids and bases ranges from
1-7
0-14
1-14
1-12
automobile batteries contain
sulfuric acid
hydrochloric acid
acetic acid
carbonic acid
some acids are capable of drawing water out of an object. this process is called
corrosion
dehydration
electrolysis
distillation
the strongest acid will have a ph of
0
1
13
14
any atom which no longer has a neutral charge is called a(n) .
atomic or ion
Answers: 1
Physics, 21.06.2019 13:50
Aboat that travels with constant speed of 6.10 m/s in still water is to go directly across a river. the current in the river flows at 1.95 m/s. (a) at what angle must the boat be steered?
Answers: 1
Physics, 22.06.2019 02:10
"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."
Answers: 2
Physics, 22.06.2019 10:50
Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.
Answers: 3
Need in general science ii
the ph scale for acids and bases ranges from
1-7
0...
the ph scale for acids and bases ranges from
1-7
0...
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