The pH of an acidic solution is 6.53. What is pOH?

what would be the diameter of a single hair strand has a density of 1.28 g/cm3, mass of 0.30 mg, and length of 38.2 cm?

Given the structure below, what is the number of relevant resonance structures in which a negative charge resonates onto different oxygen atoms? но. HO

Ozone is a pollutant in the lower atmosphere, but part of the protective shield against UV light in the upper atmosphere. Classify each of the properties of ozone listed below as chemical or physical. Group of answer choices Bluish color Pungent odor Very reactive Decomposes on exposure to UV light Gas at room temperature Options Physical or chemical

Which of the following is an element: Brass Zinc Steel             D, Bronze

Convert 1134 micrograms/cubic meter to ppm

Which of these are key factors in a scientific community? O age O nationality O collaboration and communication O area of study

A prescription of antibiotics for a 30lb child says to give 100mg three time daily. Is the dosage safe if the proper pediatric dosage range for this drug is 10-30mg per kilogram of body weight per day?

Complete the following table. Be sure each of your answer entries has the correct number of significant digits. food a chocolate chip cookie a cup of chicken noodle soup a raw carrot cal energy content when eaten 0 4.50 x 10 10* kcal 1 75.0 kJ 0 126. x10 X Ś

IS chemistry going to be fun