posted by .

1. An ionic compound solution is a(an)________ of electric current.

non-conductor
absorber
emitter
good conductor
reverser

ans: good conductor

2. Hydrogen bonding in water accounts for

water's higher than expected boiling temperature
the fact that ice floats in liquid water
the fact that snowflakes are 6-sided
All of the above

ans: water's higher than expected boiling temperature

3. Polar compounds such as alcohol would be expected to be

more soluable in water than in non-polar solvents
more soluable in non-polar solvents than in water
equally soluble in water and non-polar solvents
none of these

ans: more soluable in water than in non-polar solvents

4. Water solutions of ionic substances that conduct electricity are called

electrical solutions
polar sulutions
electrolytes
indicators

ans: electrolytes

5. When a solvent is cooled, it will dissolve

more solid
more gas
less gas
the same amount of solid and gas

ans: the same amount of solid and gas

6. The water hardness in an area is reported as 700 ppm total dissolved solids. This is the same concentration as

0.007%
0.07%
0.7%
7%

ans: 0.07%

7. If the force of attraction between the ions in a solid is very strong, you would expect the solid to have

low solubility in water
high solubility in water
low solubility in a non-polar solvent
high solubility in a non-polar solvent

ans: low solubility in water

8. In liquid solutions, the solute is

a solid
a liquid
a gas
All of these could be true.

ans: All of these could be true

9. A solution with a pH of 2

is twice as acidic as one with a pH of 1
is half as acidic as a solution with a pH of 1
is ten times as acidic as a solution with a pH of 1
is one tenth as acidic as a solution with a pH of 1

ans: is one tenth as acidic as a solution with a pH of 1

10. An alkane with 6 carbon atoms would have how many hydrogen atoms in each molecule?

12
8
18
16
14

ans: 14

Rethink number five.

A bottle of whiskey contains 40% alcohol by volume. This means that the whiskey contains 40 mL of alcohol

Means the whiskey contains 40 mL of alcohol in every 100 mL of whiskey

Similar Questions

1. physics

what are some ways to transfer the motion of electric charge through a conductor?
2. physics

please help with either or both 1. a charge of 10C is passing in 2 second through a cross sectional area of a conductor. calculate the intensity of magnetic field at a distance of 10 cm from the conductor. 2. An amount of 3X10^20 electrons …
3. Physics

The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD C 2 2 4 4 6 6 8 8 What …
4. Physics

The graph below represents the relatonship between the potential difference across a metal conductor and the current through the conductor at constant temperature. Potential Difference vs. Current PD vs. C PD---C 2----2 4----4 6----6 …
5. chemistry

1) why do copper 2 sulfate chrystals not conduct electricty?
6. physics

A current-carrying conductor experiences a force upward in a magnetic field that acts perpendicularly to and out of the plane of the paper. What is direction of the current in the conductor?
7. Physics

A current-carrying conductor of length 0.8 m is placed perpendicular to the direction of the magnetic field of 0.6 Tesla. What is the value of the current in the conductor if the conductor experiences a force of 1.2 N?
8. Physics (electricity and Magnetism)

A long straight and thin wire has a charge Q per unit length. It is also carrying a current I. A point charge is moving with a velocity v parallel to the conductor, at a distance d from it. Find the velocity v, supposing a correct …
9. Science (Physics)

A conductor carries a current of 25 A and is at right angles to a magnetic field. The flux density is 0.8 Tesla and the length of the conductor in the field is 35 cm. Calculate the force acting on the conductor, and the value of the …
10. physics

a conductor is 2m long and 8mm diameter if its resistivity is 1.8*10^-8 ohmm calculate a,the resistance of the conductor b,the current in the conductor when a p.d of 10v is maintained across its ends c,the current density d,the electric …

More Similar Questions