The oxidation numbers of Fe and Br in the compound FeBr2

The specific heat capacity of concrete is small this means that

0,245 kg of gas with a density of 1,2 kg/m is compressed adiabatically from a pressure of 150 kPa to a pressure of 800 kPa. R = 0,293 kJ/kg. K and Cp = 1,005 kJ/kg. K. Calculate the following: 2.1 The adiabatic index 2.

A substance has a volume of 10.0 cm3 and a mass of 89 grams. What is its density?

The combustion of propane may be described by the chemical equation C 3 H 8 (g) + 5 O 2 (g) ⟶ 3 CO 2 (g) + 4 H 2 O (g) How many grams of O 2 (g) are needed to completely burn 80.9 g C 3 H 8 (g) ?

A base A. has a low pH in solution. B. turns red litmus paper to blue. C. releases hydrogen ions in solution. D. has more hydrogen (or hydronium) than hydrogen ions.

8 l of water at 19 ∘c are mixed with 1.1 l of water at 47 ∘c in an insulated container. what is the final temperature of the system? express your answer in ∘c

How is wind deflation different from wind abrasion?

What is the pH of a solution with a hydronium concentration of 2.88 * 10-2 M?

Which of the following characteristics is fixed, or definite, for all states of matter? volume shape mass energy

Describe a change caused by kinetic energy as well as a change caused by potential energy.