How much H₂ is needed to react with 6.58 g of O₂ in this reaction?
H₂ + O₂ --> H₂O

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth