How can cooking an egg be a chemical change

Can a second order reaction be unimolecular?

What is it meant by a fundamental unit?

How are energy and work related? O A. Work and energy are the same. B. Energy is the capacity to do work. C. Energy is the force needed to do work. D. Work times energy is force.

The atomic mass of hydrogen-1 is 1.008 and the atomic mass of helium-4 is 4.003. Find the difference in grams between 4 moles of hydrogen and one mole of helium. A) 4.81 x10-26 g B) 0.029 g C) 1.7 x 1022 g D) 0 grams

describe the characteristics of compounds and explain how compounds are named

In the reaction, Zn + HCl-> ZnCl2 + H2, 25 grams Zn are reacted with 17.5 grams HCl. How many grams of H2 will be produced? A. 0.382 g of H2 B. 0.479 g of H2 C. 0.7865 g of H2 D. 0.484 g of H2

The temperature scale that starts with absolute zero is the ___ scale

A sample of hydrogen gas has a pressure of 1.50 atm with a volume of 5.00 L, what is the pressure if the volume is expanded to 7.74 L

Which substance is an Arrhenius acid

Which is another name for groups of elements