The change of matter from a solid state to a gas state

What are the correct coefficients for the following reaction: Fe2O3 + Al - > Fe + Al2O3 A) 2, 1, 1, 2 B) 2, 2, 2, 2 C) 1, 2, 2, 2 D) 1, 2, 2, 1

Nitric acid reacts with silver metal 4hno3 + 3ag = no + 2h2o + 3agno3. calculate the number of grams of no formed when 10.8 g of ag reacts with 12.6g of hno3

What are two subject areas in which Pseudoscience is likely to be found? What might it look or sound like when it is encountered?

Is the burning of natural gas in a stove exothermic or endothermic?

Consider the model of a sodium atom. Which feature does the model show accurately?

g A mass spectrum. The peak at mass 100 has a 8% relative abundance. THe peak with mass 85 has a 40% abundance. The peak at 71 has a 3% abundance. The peak at 57 has a 30% abundance. The peak at mass 43 has a 100% abundance.

The following question appears on a quiz: ""You fill a tank with gas at 60°C to 100 kPa and seal it. You decrease the temperature to 10°C but keep the volume constant. What happens to the pressure

If a rocket goes from 2,000 m/s to 6,000 m/s in 8 seconds, what is the acceleration for that time frame?

At stp, what is the volume of 4.50 moles of nitrogen gas

What is the definition of radiation