How many sulfur atoms are in H2SO4?

A solution contains 0.182 molmol NaClNaCl and 0.897 molH2OmolH2O. Calculate the vapor pressure of the solution at 55 ∘C∘C. The vapor pressure of pure water at 55 ∘C∘C is 118.1 torrtorr. (Assume that the solute completely dissociates.)

Which allows psychologists and psychiatrists to diagnose mental disorders in patients? A. DSM B. TAT C. MMPI D. Manual of Abnormalities

How many molar mass are in BeCl2?

Which is the strongest acid

Classify the following compounds as having covalent or ionic bondsa. dinitrogen trioxideb. carbon dioxidec. calcium chlorided. magnesium nitridee. sodium bromidef. aluminum oxide

If you wanted to study the science of describing, naming, and classifying organisms, what would you study?

The specific heat of silver is 0.234 j / (g·c). calculate the amount of energy that is needed to raise the temperature of 175 g of silver from 22.5°c to 40.0°c.

Gypsum is hydrated calcium sulfate. a 4.89 g sample of this hydrate was heated. after the water was removed, 3.87 g anhydrous calcium sulfate remained. determine the formula of this hydrate and name the compound.

A chemical reaction produces CO2 (g). If 44 g is produced at 1.0 atm and 25°C, what volume will the gas occupy? (Assume that CO2 behaves as an ideal gas under these conditions.

What is the smallest carbohydrate called?