What would a solution with a pOH value of 9 be categorized as?

Neutral

Base

Toxic

Acid

A reaction at 17.0 degree C evolves 788. mmol of dinitrogen difluoride gas. Calculate the volume of dinitrogen difluoride gas that is collected. You can assume the pressure in the room is exactly 1atm.

In a hypothetical garden each of the identical trees consist of 11 branches and each on a tree consist of 35 leaves. How many trees would have 8,085 leaves?

If 10.0 mL of 0.350 M aqueous NaNO3 is mixed with 50.0 mL of 0.170 M aqueous KNO3, what is the molarity of nitrate ion? A) 0.185 M B) 0.200 M C) 0.260 M D) 0.520 M

Is steel a mixture or pure substance

9) 1.5 moles of certain gas in a container occupies a volume of 0.25 liters. If 0.5 moles of the gas are added to the container, calculate the new volume the gas will occupy. During the process, pressure and temperature were kept constant.

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)

Which compounds have the empirical formula CH2O? A. C2H4O2 B. C3H6O3 C. CH2O2 D. C5H10O5 E. C6H12O6

An element is a pure substance. It can not easily be broken down into parts by physical means. A) True B) False