Answers: 3
Chemistry, 22.06.2019 23:30
The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point
Answers: 1
Chemistry, 23.06.2019 15:40
The table below shows the freezing points of four substances. substance freezing point (°c) benzene 5.5 water 0 butane –138 nitrogen –210 the substances are placed in separate containers at room temperature, and each container is gradually cooled. which of these substances will solidify before the temperature reaches 0°c? benzene water butane nitrogen
Answers: 2
Chemistry, 23.06.2019 16:30
The body of water labeled with the number 3 on the map above is the and the body of water labeled with the number 7 is the a. orinoco river . . atlantic ocean b. orinoco river . . pacific ocean c. paraná river . . pacific ocean d. amazon river . . atlantic ocean
Answers: 3
Chemistry, 23.06.2019 18:50
Which of the following elements is most likely to have an oxidation state of +2? a. oxygen (0) b. sodium (na) c. chlorine (ci) d. strontium (si)
Answers: 1
Methane is the chief constituent of petroleum fuel
A:yes
B:no...
A:yes
B:no...
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