Why is the Statue of Liberty covered with a greenish bluish cover when it should be in brown color as it is made out of copper?

Name these covalent compounds: SO2, P2CL5 and N2O4

Given the equation: ch4 + br2 → ch3br + hbr which type of reaction does this equation represent? addition hydrogenation

A 1.50L buffer solution is 0.250 M in HF and 0.250 in NaF. Calculate the ph of the solution after the addition of 0.0500 moles of solid NaOH. Assume no volume change upon the addition of the base. The Ka for HF is 3.5E^-4

A local farmer notices that the level of water in the pond behind his house has been going down. Temperatures have been very high in the area, but there are also a lot of animals on his farm that may be drinking the water.

4.2 moles of copper contains

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.