Oxidation numbers in a molecule will add up to equal

3 examples of telescopes that detect different types of electromagnetic radiation

Which are the four most abundant components of the atmosphere? taken together about what percent of the atmosphere do those four components make up? (abundant non metals in the atmosphere is the title)

How to make a simple tester

Which kind of energy does matter have when it is in motion? kinetic intermolecular potential atomic

Water (h20) is composed of the same element as hydrogen peroxide (h202) how do their properties compare? They have different properties because the arrangement of atoms is different. They have the same properties because they have the same atoms.

how many moles of NO are formed from 5 moles of NO2 if there is plenty of water present? 3NO2 (g) + H2O (l) = 2HNO3 (aq) + NO (g)

A 26.6 g sample of aluminum at 100.4 °C is added to 100.6 g of water at 21.5 °C in a constant pressure calorimeter. What is the final temperature of the water in °C? The specific heat capacity of aluminum is 0.903 J/goC.

Give the iupac name of the amine shown. spell out the full name of the compound.

Assuming Ideal Gas Law is applicable, calculate density, specific weight, and specific volume of air at 120 oF and 50 psia.

A tire at 21°C has a pressure of 0.82 atm. Its temperature decreases to - 3.5°C. If there is no volume change in the tire, what is the pressure after the temperature change?