Question

Anyone check my work? Please!!

Answer 1

1; The change of matter from a solid state to a gas state
MELTING

2. When a __________ is completely dissolved in a __________, a solution is formed. (B)

a.
solute; solvent

b.
solvent; solute

c.
dissolvent; water

d.
particle; mixture


3. Used in ammonia, Alka-Seltzer, and dish soap
BASE

4. The mechanical advantage to simple machines is that they allow a decreased input force to create a larger output force.
FALSE

5. Power transfers energy into objects, while work is the rate at which energy is transferred into the object. (TRUE OR FALSE)
IM NOT TO SURE ABOUT THIS ONE
6 minutes agoDelete
49

6. Which of the following is NOT a property of molecular compounds?

a.
low melting points*****
c.
high boiling points
b.
low boiling points
d.
poor conductors of electricity

7. Which of the following is two or more atoms (same or different) bound together?

a.
element
b.********
molecule
c.
pure substance
d.
mixture

8. Bases form __________ ions in water.
a.
hydrogen
c.
positive
b.
hydroxide
d.*******
both a and c


9. Chemical energy is released when the bonds of molecules are broken.(TRUE OR FALSE)
TRUE

10. Action and reaction forces will cancel because they are pushing on the same object toward each other.(TRUE OR FALSE)
TRUE

11. The chemical formula tells the types of atoms and how many of each are contained in a compound. (TRUE OR FALSE)
NOT SURE ABOUT THIS ONE

12. The ____________ of force will determine the ____________ of acceleration.
a.*************
direction, direction
c.
amount, direction
b.
direction, amount
d.
none of the above

12. The charge of a transition metal cation is determined using the known charge on the element being combined with the transition metal. (TRUE OR FALSE)
NOT SURE ABOUT THIS ONE

Answer 2

ok, so where is your work?

Answer 3

1; The change of matter from a solid state to a gas state
MELTING NO, sublimation

2. When a __________ is completely dissolved in a __________, a solution is formed. (B) No (A)

a.
solute; solvent

b.
solvent; solute

c.
dissolvent; water

d.
particle; mixture


3. Used in ammonia, Alka-Seltzer, and dish soap
BASE the Alka-Seltzer its a little more complex

4. The mechanical advantage to simple machines is that they allow a decreased input force to create a larger output force.
FALSE no, that is TRUE