Which of the following has the shortest half life?

Carbon-14

Uranium-235

Uranium-238

Carbon-12

Convert 2.5 cm to m.

How many grams of magnesium metal will react completely with 6.3 liters of 4.5 M HCl? Show all of the work needed to solve this problem. Mg (s) + 2 HCl (aq) yields MgCl2 (aq) + H2 (g)

2c2h2 (l) 5o2 (g) yeild 4co2 (g) 2h2o (g) if the acetylene tank contains 37.0 mol of c2h2 and the oxygen tank contains 81.0 mol of o2, what is the limiting reactant for this reaction?

What is latent heat? 1. energy released or absorbed to change the kinetic energy of a substance 2. energy released or absorbed to change the pressure of a substance 3. energy released or absorbed to change the temperature of a substance 4.

Calculate the theoretical value for the number of moles of CO2 that should have been produced in each balloon assuming that 1.45 g of NaHCO3 is present in an antacid tablet.

A gay cylinder what are the variables in gay-lussacs law

What is the cosmic address of earth in the cosmos?

What values do we plot on the y-axis of a graph

What is the n factor of Ba (MnO4) 2 in acidic medium when it reacts with H2O2?

What organelle is primarily used in respiration