Suppose you have 100 grams of a radioisotope with a half-life of 100 years. How much of the isotope will you have after 200 years?

Atmospheric pressure depends on the altitude (or height) of your location. How should air pressure change if you are in Denver, Colorado, which is 1.5 kilometers (1 mile) above sea level?

Which of the following is NOT a binary compound? a. NaCI b. KH2PO4 c. KBr

The rate constant of a reaction is 4.7*10-3 s-1 at 25°C, and the activation energy is 33.6 kJ/mol. What is k at 75°C?

How many moles of ethylene can react with 12.9 l of oxygen gas at 1.2 atm in 297 k

What is formula mass of glucose C2H12O6

Formula for sulfur tetrafluoride

Geologists think that parts of the Appalachian Mountains formed originally from sediments accumulating in shallow swamps. The weight of the sediments caused the area beneath them to sink, allowing more sediments to accumulate.

What volume would 1.5 mol of nitrogen gas occupy at standard temperature and pressure?

State three reason why do you think air is a mixture and water a compound?

Defined the following convection