A measure of the extra charges that are on an object is called

In the 1830s, two scientists named Matthias Schleiden and Theodor Schwann stated a theory we now call the cell theory. Which of these statements is part of the cell theory? a All cells look the same. b Cells sometimes arise by spontaneous generation.

A student heats a sample of KClO3, KCl, and MnO2 having a mass of 3.63.49 g. After the reaction is complete, she has collected 346.2 mL of oxygen in a water filled flask. The room temperature is 23.6 degrees C and the atmospheric pressure is 763.

Carbon tetrachloride was widely used for many years as a solvent until its harmful properties became well established.

Why do clothes that come out of my dryer smell bad?

Which steps are important when designing and conducting a scientific experiment? Hide the results from fellow scientists. Identify the independent variable. Eliminate all dependent variables. Address any confounding variables.

Is it possible for a molecule only made up of hydrogen and carbon to be polar?

Calculate the number of moles of 2 g hydrogen gas

Copper and silver are examples that will form what bond

How many moles of barium hydroxide, Ba (OH2), would be required to react with 117 g hydrogen bromide, HBr?

Which carbon compound is soft, slippery, a decent electricity conductor, and bonded in a way that forms planes? coal petroleum graphite