How can density be used to describe objects in systems in nature? Provide an example

The composition of a compound is 20.01% carbon and 79.99% oxygen by mass. what is its empirical formula?

An acid a. has a high pH in solution. b. turns blue litmus paper to red. c. releases hydroxyl ions in solution. d. has more hydroxyl than hydrogen (or hydronium) ions.

Name the following compound Mg3P2

Which describes the state at which products form at the same rate as reactants?

HCN (aq) + SO4-2 (aq) HSO4 - (aq) + CN - (aq) What is the Bronsted-Lowry acid in this equation? What is the Bronsted-Lowry Base in this equation? What is the Conjugate acid in this equation? What is the Conjugate base in this equation?

Check out the list of scientific names. These names all represent animals. These are all animals but they cannot reproduce to produce fertile offspring with each other.

Within temperatures allowable for growth, higher temperatures usually lead to Choose one: A. The effect depends on the species. B. no effect on growth rates. C. higher growth rates. D. slower growth rates.

Does toxicity happen with high or low nutrient concentration?

Where can you buy lithium

Four properties of water are listed. 1. It reacts with halogens to form oxygen gas as one of the products. 2. It is transparent and tasteless in its pure form. 3. It freezes at a temperature of 0 °C and lower. 4.