States of Matter
States of matter-solid, liquid, gas, or plasma-are the common forms in
whic...
States of Matter
States of matter-solid, liquid, gas, or plasma-are the common forms in
which matter exists in the universe. When a substance goes from one state
of matter to another, the process is properties of a substance change, but the
chemical composition does not. When water in the form of ice melts, it
looks different on the macroscopic scale, but its chemical composition has
not changed on the molecular scale.
ASK Water changes state from solid (ice) to liquid (liquid water) to
gas (water vapor), as shown in the photo. What questions could you
ask about the arrangement of particles in the states of matter shown
in the photo?
Answers: 2
Chemistry, 22.06.2019 02:20
Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .
Answers: 1
Chemistry, 22.06.2019 08:00
Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
Chemistry, 22.06.2019 08:40
Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride
Answers: 1
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