Which is a balanced equation for this reaction?

A. Fe + H2SO4? Fe2 (SO4) 3 + H2

B. 2Fe + H2SO4? Fe2 (SO4) 3 + H2

C. Fe + 3H2SO4? Fe2 (SO4) 3 + 3H2

D. 2Fe + 3H2SO4? Fe2 (SO4) 3 + 3H2

What happens to a gas when it is moved from a small container into a big container

A 15 kg mass is moving at 7.5 m/s on a horizontal, frictionless surface. What is the total work that must be done on the mass to increase its speed to 11.5 m/s?

A transverse wave is traveling north. In which directions could the wave oscillate?

if 2 houses are made of hardwood bit ones walls are twice as thick as the other, which house would be better at reducing the rate of cooling

Mt. Everest is 29,028 feet high. How many miles is this?

Which of the following is true of high clouds?

A ferris wheel takes 5 minutes to complete one full rotation, what is the angular velocity of the ferris wheel

A heat engine has a thermal efficiency of 45%. how much power does the engine produce when heat is transferred into it at a rate of 109 kj/hr?

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.

What is the primary function of the small intestines