Dada a seguinte equação da reacção: H2(g)+CL2(g)>2HCl(g)+44,0Kcal. é correcto afirmar-se que a reacção...

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride