What do plants need to grow?

Why do the two elements silver and iron have different properties?

Liquid sample a has a higher vapor pressure than liquid sample b (both in closed containers). what can be said about sample a compared with sample b?

Many gyms and health clubs have steam saunas, which are small steam-filled rooms. Traditionally, steam saunas have a container of heated rocks. A small ladle of water is poured on the rocks in order to make the steam.

Why are liquids well suited for hydraulics? Liquids have low densities. Liquids are incompressible. Liquids change volume easily. Liquids have few molecules.

How does the kinetic molecular theory explain the pressure exerted by gases

Show that the speed of an electron in the nth bohr orbit of hydrogen is αc/n, where α is the fine structure constant. what would be the speed in a hydrogen-like atom with a nuclear charge of ze?

Most modern forms of transportation are powered by fossil fuels. Carbon dioxide, methane, carbon monoxide, and other gases are released into the atmosphere during the production and combustion of these fuels.

Does the reaction of a burning candle give off or absorb heat

1. Describe the difference between valence and core electrons.

How are deltas and rivers similar?