A ball is pushed from a stop and rolls 6m in 2 s. Student A says the averagw spewd of the vall is m/s srudent b says the average speed of thebball os 1.5 m/s2 which student is correct

In water, a strong acid will In water, a weak base will break down into its component parts. break down into its component parts.

Amy is asked to determine the chemical composition of an unknown liquid sample. She determines that the sample is negative for protein, simple sugars, and lipids. However, someone else has used up all of the iodine reagent.

What's different about the three types of symbiosis?

Determine the number of atoms in a 48.3-g sample of zinc. express your answer in zinc atoms using scientific notation.

A piece of silver metal has a mass of 2.983 g. If the density of silver is 10.5 g/cm3, what is the volume of the silver? put answer with a correct number of significant figures.

Hydrogen is a pure substance represented by the chemical symbol h. which of the following best describes hydrogen a. hydrogen is a compound made of only one kind of atom. b. hydrogen is a compound made of two or more kinds of atoms. c.

How to assign oxidation and reduction numbers

How to tell difference between hydrogen gas and oxygen gas?

Why do atoms have different speed

Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light.