How many grams of SO2 can be formed from 0.622 mole FeS2

Based off molecular polarity determined by VSEPR theory, in which solvent would glucose be the least soluble?

A 806.3 ng sample of an unknown radioactive substance was placed in storage and its mass measured periodically. after 47 days the amount of radioactive substance had decreased to 100.8 ng.

Explain how the burning of fossil fuels can cause a disruption to the carbon cycle.

what is a type of science that studies Earth and space

Which of the following is not an example of a scientific model? a. a diagram of a cell b. a data table c. a three-dimensional representation of an atom d. a graph showing the change in temperature and volume over time for hydrogen gas

A cylinder contains oxygen at a pressure of 10.0 atm and a temperature of 300.0 K. The volume of the cylinder is 10,000 mL. What is the mass of oxygen gas?

4 - explicar as mudanças de estados fisicos da materia 6 - definir e exemplificar: -Ligações iônicas ou eletrovalente -Ligações covalentes ou molecular 7-definir substancias puras e suas clasificações 8-definir e exemplificar misturas homogeneas e

What ion forms when an acid is dissolved in a solution?

Suppose you found a material in which 12.5% of the original radioactive atoms were present. if the half-life is 47 years, how old is the material?

How many neutrons does xenon have?