Bohr's planetary of the atom stated that

What does 5ppm of nitrate in water mean? What does it cause? Is it healthy? Etc.

In which type of chemical reaction do two or more substances combine to form one substance? synthesis decomposition single replacement double replacement

When the piston in the Boyle's Law apparatus is at rest, what is the relationship between the pressure of the trapped gas and the pressure on the outside of the piston?

How much energy (in kilojoules) is required to melt 160 g of ice and raise the temperature to 77°C

Thermoclines in oceans are best developed at A. lower longitudes. B. higher longitudes. C. lower latitudes. D. higher latitudes.

What is the molarity of a solution that contains 1 mol CaCl2 dissolved in 2 L of solution?

Carbon dioxide is exhaled from the lungs. how is it produced

Which of the following would most likely act as a Bronsted-Lowry acid?

Which of the following is true for a gas under conditions of very low temperature? PV : nRT = 1, because all gases behave ideally at very low temperatures. PV : nRT = 1, because the actual volume of the gas molecules becomes considerable.

How is steel made from iron?