A buffer solution is made using a weak acid, ha. if the ph of the buffer is 4 and the ratio of a - to ha is 0.001, what is the pka of ha?

Potassium chlorate (used in fireworks, flares, and safety matches) forms oxygen and potassium chloride when heated. KClO3 (s) → KCl (s) + O2 (g) [unbalanced] How many grams of oxygen are formed when 26.4 g of potassium chlorate is heated?

In an ionic compound, the charges of the _ and _ must balance to produce an electrically substance.

Violet light has a wavelength of 4.10 x 10^-12 m. What is the frequency?

A mixture of uneven distribution and easy separation is: - heterogeneous - a solution - homogeneous - a standard

Calculate the mass of water produced when 6.97 g of butane reacts with excess oxygen

If JM = 5x - 6 and LM = 2x - 6, which expression represents JL?

5. The air rising cools as it reaches the top of which atmospheric layer? Troposphere Metrosphere Thermsphere none of the above

Looking at a net ionic equation how can i tell with reactant ions were oxidized

Why is it important to conserve both nonrenewable and renewable resources?

What procedure represents the safest technique to use for diluting a concentrated acid?