The first periodic table of elements was created in 1995. True or false

A solution has a concentration of 0.6mol/dm³. If a container of this solution holds 3 moles of solute, what volume of solution is in the container?

Under ordinary conditions of temperature and pressure, the particles in a gas are

An experiment at Sandia National Labs in New Mexico is performed at an atmospheric pressure of 788.7 millimeters of mercury (mm Hg). What is this pressure in atmospheres (atm) ?

What is the molar mass of C4H10

Which property of a rock determines its color

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?

Which of the following elements is an alkall metal?