What is the change in enthalpy when 9.75 g of aluminum reacts with excess ammonium nitrate according to this equation: 2Al + 3NH4NO3 = 6H20 + Al2O3. H = 2030 kJ

Which statement about cellulose is true? a) It's a synthetic polymer. b) It's a raw material used to make plastic. c) It's produced using oil and gas. d) It's used to make paper products.

The formula for Gibbs free energy is: Ο ΔG = ΔS + TΔΗ Ο ΔG - ΔΗ - TΔS Ο ΔG - ΔS - TΔΗ Ο ΔG = ΔΗ + TAS

Snails growing shells is that a chemical change

Is ammonia a homogeneous mixture?

Copper is a metal that is used for many purposes. It is mined from the earth using various methods. Though the amount of copper in the Earth's crust is very large, if the mining of copper continues, it will eventually run out.

What is the oxidation number of iodine in KIO4? (1) + 1 (3) + 7 (2) - 1 (4) - 7

Which uses of iron are due to its chemical properties? Select two options. producing colored sparks in fireworks changing from liquid to gas at 2,862°C rusting in the presence of water and oxygen changing from solid to liquid if heated to 1,538°C

What type of sedimentary rock is formed from mechanical weathering debris

What type of energy travels in the form of electromagnetic waves?

At the same pressure, about 25 times more co2 will dissolve in plasma as o2. why does this occur?