The illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the source?

A. 24 candelas

B. 144 candelas

C. 72 candelas

D. 96 candelas

What intermolecular forces are present in each of the substances?

Water has unique properties which include its strength as a solvent; its three environmental stages of solid, liquid, and gas; and its temperature regulation. these properties are due to polar covalent bonds between oxygen and hydrogen.

Determine whether each of the following statements about the thermodynamic functions are True or False as they apply to chemical reactions. Entropy and temperature are subtracted from the Gibbs free energy.

When rocks grind and squeeze past each other,___metamorphism occur.

If a 1.85g mass of zinc produces 475 mL og gas and your balloon weighs 0.574 g and the room temperature is 20.5°C.

A sample of pure copper has a mass of 5 grams calculate its volume

Which statement best explains why carbon is present in so many kinds of molecules? Question 1 options: It is abundant on earth, so it is readily available to bond with other elements. It does not form strong bonds, so it breaks apart.

How long does it tae for bleach to evaprate?

What product (s) forms at the cathode in the electrolysis of an aqueous solution of k2so4?

What element is used as a shield to protect people from radioactive substances?