Which equation is balanced?

H2 + O2 + H2O + O2

H2 + O2 + H2O

2H2 + O2 + 2H2O

4H2 + O2 + H2O + O

An electric field around two charged objects is shown. Two spheres next to each other. Vectors perpendicular to each surface spread out and go to the other charge.

Match the characteristic or descriptive phrase to the type of application it describes. Part A a. sound waves b. soft-tissue imaging c. electromagnetic wave d. fetal imaging Part B 1. ultra sound 2. mri

Imagine you could take a trip in a special vehicle from Earth's surface to its center. You would have food, water, and everything else needed to survive and make the trip there and back.

What is convection? Does it only affect plate tectonics?

Which statement best describes the interaction between earths magnetosphere and solar wind

What object or class of objects makes up most of the solar systemâs mass?

Carole is very tired and makes coffee. why would newton say that she must use her hand to put up the cup

Rapid gas exchange can be accomplished more easily in air than in water because A. the O2 content of water is higher than that of air B. O2 diffuses more rapidly in water than air C. water is more dense and viscous D.

Which electron transition between the energy levels of hydrogen causes the emission of a photon of visible light?

According to a college survey, 22% of all students work full time. find the mean for the number of 3) students who work full time in samples of size 16.