How many moles of silicon, Si, are in 1.45 * 1024 Si atoms?

Will fluorite scratch a penny? y or y not

More Americans are obese today than 40 years ago because: We are eating less and moving less We are eating more and moving more We are eating more and moving less Americans are not obese

How many molecules of HBr are present in 42.5 grams of HBr

Which law relates to the ideal gas law? P 1 T 1 = P 2 T 2 P 1 n 1 = P 2 n 2 V 1 Omega 1 = V 2 n 2 P 1 V 1 = P 2 V 2

How does paint from car keep it from rusting?

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?