The sun is directly overhead at the equator on what day of the year? A. Zenith B. Solstice C. Equinox D. Ecliptic

Isn't it the Solstice?

A 25 mL solution of h2so4 is completely nuetralized by 18 mL of 1.0 mL of 1.0 M naoh using phenolphthalein as an indicator. what is the concentration of the h2so4 solution?

Which is an example of a chemical change? a cake baking sugar dissolving water boiling butter melting?

According to le Châtelier's principle if a system in equilibrium is subjected to a change in all BUT one of these conditions, there will be a tendency for a net reaction in the direction that reduces the effect of this change.

Based on the information given below, about how many trips around the Milky Way has the Sun made since the emergence of life on Earth?

How does a physical change differ from a chemical change?

Consider the reaction below. The initial concentrations of PCl3 and Cl2 are each 0.0571 M, and the initial concentration of PCl5 is 0 M. If the equilibrium constant is Kc=0.

How many grams of carbon dioxide are in 11 moles of it?

A scientist heats a flexible container full of neon gas. What will most likely happen to the container as the gas absorbs heat? It will shrink, because the neon atoms will break apart into smaller pieces.

Name two alternative for solar power

In an oxidation-reduction reaction, what happens to the electrons in the reduction process? A. Electrons are bonded. B. Electrons are gained. OC. Electrons are lost. D. Electrons are replaced.