Anyone down to be friends?

If 8 batteries cost $22 how many does 1 battery cost?

What is the molar mass of a molecule that contains one sodium atom, one oxygen atom, and one hydrogen atom?

How many more atomic orbitals does a d sublevel hold than a p sublevel? 2 4 6 8

What is the basic unit of mass in the metric system?

Find the pH of a 0.310 M aqueous benzoic acid solution. For benzoic acid, Ka=6.5⋅10-5.

What is the differences between River system, Tributary?

having that coloration is selected for since many predators will recognize it and stay away. Therefore the common coloration is beneficial to the butterflies and becomes more common. What type of selection is involved?

What organisms appeared on Earth First? a). gastropods b). horn corals c). brachiopods d). crinoids

Given the equation representing a reaction: 2Ca (s) + O2 (g) → 2CaO (s) During this reaction, each element changes in 1) atomic number 2) oxidation number 3) number of protons per atom 4) number of neutrons per atom

What is the volume of 20.0g of benzene (0.88g)