Dissolve substances in water is:

A) physical process

B) chemical process

True or False: a one celled organism is not a living thing

When solutions of Bal2 and CuSO4 are combined, what is the precipitate (s) formed?

Select all that apply. Which of the following are producers? algae plants animals humans some bacteria

Which of the following statements is true? Physical properties cannot be tested without changing the chemical structure of the substance. Under normal conditions, atoms have a positive charge.

How many moles of potassium chloride are produced from 11.3 g of chlorine?

How many moles are in 4,55 X 10^23 molecules of CO2 (rounded)

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.

Which is a base unit in SI? A. centimeter B. kilogram C. gram D. grams/milliliter

The primary mechanism for converting atmospheric carbon into usable forms for life on earth is achieved by

For a particular collision, she detects the emitted products and find 15 protons, 2 antiprotons, 7 positrons, and 24 neutral particles. How many electrons are also emitted