The red color in the ore hematite is caused by the presence of what metal?

A. iron

B. sulfate

C. copper

D. aluminum

A car covers a distance of 112.6 km in 1.8 h. Calculate its speed in meters per second.

2. what is the formula weight of (nh4) 2so4? 118 amu 116 amu 100 amu 132 amu

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If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

The sum of the atomic masses of the atoms in one molecule of C3H6Br2 is called the

How does water vapor makes clouds

What types of weather patterns might cause the formation of a vortex

16. Which planet has a greater mass than the combined mass of all the remaining planets and their moons?

A sample of an unknown gas effuses in 12.1 min. an equal volume of h2 in the same apparatus under the same conditions effuses in 2.42 min. what is the molar mass of the unknown gas?

How high in meters must a column of glycerol be to exert a pressure equal to that of a 760-mm column of mercury? The density of glycerol is 1.26g/mL, whereas that of mercury is 13.6g/mL.