Which substance can not be decomposed by a chemical change?

(1) AlCl3 (3) HI

(2) H2O (4) Cu

Unit 2 | Lesson 7 Lesson Assessment: Plant and Animal Cells, Part 1 Question Navigator 4. Multicellular plants and animals have organs to perform specific functions. What do eukaryotic cells have to perform specific functions? A. ribosomes B.

When steelmakers add chromium and nickel to iron the result is

What particle is emitted in the following radioactive decay? 2714si→2713al.

What happens when a solid is dissolved into a liquid

A flask containing solid ammonium chloride becomes colder as water is added and the salt dissolves. is the magnitude of the lattice energy of nh4cl larger or smaller than the combined hydration energy of the ions?

Convert 4.992*1010 g to each of the following units. B. Mg c. mg D. metric tons

The ideal gas law shows us how a gas will behave under many conditions. The formula is: P V = n R T Where P = pressure, V = volume, n = amount of the substance, R = ideal gas constant, and T = temperature.

The Suns ultraviolent Rays can cause skin damage including sunburn and even skin

Peas contain 250 kJ per 100 g. You would use the equivalent of 600 g of peas if you slept for.

A sample of gas in a balloon has an initial temperature of 21 ∘C and a volume of 1310 L. If the temperature changes to 70 ∘C, and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?