Chemistry, 28.12.2019 06:31 ejfleck3655
Two pure elements react to form a compound. one element is an alkali metal, x, and the other element is a halogen, z. which of the following is the most valid scientific claim that can be made about the compound? a. it has the formula xz2
b. it does not dissolve in water.
c. it contains ionic bonds.
d. it contains covalent bonds.
Answers: 2
Chemistry, 21.06.2019 16:00
Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .
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Chemistry, 21.06.2019 19:00
Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present
Answers: 1
Chemistry, 22.06.2019 14:00
Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?
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Two pure elements react to form a compound. one element is an alkali metal, x, and the other element...
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