What is the molar mass of calcium sulfate (caso4) : ?

Based on periodic trends of electronegativity, what statement regarding the halogens is MOST accurate? A) Flourine has the lowest electronegativity. B) Iodine has the strongest tendency to attract electrons.

At 45 C the volume of a certain gas is 27.5 L

Asbestos, silica, and what else are material hazards which can pose severe dangers to construction workers health?

Which set of three quantum numbers (n, l, ml) corresponds to a 2p orbital?

The density of ethanol at 20 C is 0.791 g/mL. How many milliliters of ethanol correspond to 12.0 g of ethanol at 20 C?

A reaction was performed in which 3.7 g of benzoic acid was reacted with excess methanol to make 2.1 g of methyl benzoate. Calculate the theoretical yield and percent yield for this reaction.

According to Reference Table N, which radioactive isotope will retain only 1/8 its original radioactive atoms after approximately 43 days? A. gold-198 B. iodine-131 C. phosphorus-32 D. radon-222

the cathode ray experiment indicated the existence of negatively charged particles in an atom. this experiment also disproved the part of daltons atomic model that claimed indivisibility of the atom.

Hich features are created by wave erosion? Select three options. arches cliffs deltas rills stacks

Drag the types of electromagnetic waves to place them in order of increasing wavelength. Ultraviolet Infrared visible light