If a gas A is 9 times as heavy as hydrogen, which will diffuse faster and by what factor?

The density of a metal is 9.80 g/mL. What is the mass of a sample of metal when dropped in 28.9 mL of water, the volume increases to 56.4 mL?

A 5.10 g sample of iron is heated from 36.0 to 75.0 C. The amount of energy required is 89.5 J. The specific capacity of this sample of iron is ... A.) 17800 J/g C B.) 0.900 J/g C C.) 11.7 J/g C D.) 0.450 J/g C E.) 2.22 J/g C

How do you name this compound: Ca (HSO3) 2

The Michaelis-Menten equation is an expression of the relationship between the initial velocity?0 of an enzymatic reaction and substrate concentration [S].

If an object has a mass of 20 kg and an acceleration of 15 m/s what would be the amount of force in Newton's acting on the object

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?