What is the [OH-] of a solution with pH 5.75? 5.6 * 10-9 M 1.8 * 10-6 M 7.6 * 10-1 M 9.2 * 10-1 M

in chlorine gas, two chlorine atoms join to form a Cl2 (chlorine 2) molecule. How many pairs of valence electrons do the atoms share? What type of covalent bond is formed?

What type of titration is used in pharmaceutical industries?

Why are the masses of some elements listed as whole numbers in parentheses?

For each reaction, identify the precipitate or lack thereof. cacl2 + k2co3 - -> caco3 + 2kcl

prease tell me the answer. When a liquid changes to a gas below the surface of a liquid as well as at the surface, it is called

What is the solubility of nitrogen and calcium nitrate in cyclohexane?

Carbon exists in nature as three isotopes. Given the atomic masses and relative abundance of the isotopes, what is the average atomic mass of carbon?

What is the correct value for Avogadro's number? A. 6.022 x 10^23 B. 6.023 x 10^22 C. 6.022 x 10^33 D. 6.022 x 10^2.3 E. none of the above

Fossil fuels are considered useful to humans because they are

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei